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handylink? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 2 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc handylink? i/o connectors 44828 smt receptacle 45560 smt cradle c o n n e c t o r c o n n e c t o r 45339 and 45593 plug connector modules
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 3 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc table of contents s e c t i o n p a g e s e c t i o n p a g e 1.0 scope 3 2.0 product description 3 3.0 applicable documents and specifications 3 4.0 mating and un-mating of connectors 4.1 recommendations for mating and un-mating 4 4.2 mating alignment tolerances 4 5.0 soldering process recommendations 5.1 44828 smt receptacle connector 6 5.1.1 pcb layout 5.1.2 solder paste stencil layout 5.1.3 reflow profile 5.1.4 inspection 5.2 45560 smt cradle connector 6 5.2.1 pcb layout 5.2.2 solder paste stencil layout 5.2.3 reflow profile 5.2.4 inspection 5.3 45339 plug module for wire termination 7 5.3.1 applicable wire sizes 5.3.2 wire preparation 5.3.3 inspection 5.4 45593 plug module for pcb termination 7 5.4.1 pcb layout 5.4.2 inspection 6.0 mechanical design recommendations 6.1 mechanical fasteners and support 8 6.1.1 receptacle connector 6.1.2 plug connector modules 6.1.3 cradle connector 6.2 ingress protection 10 6.3 plug cable over-molding 11 6.3.1 wire soldering 6.3.2 encapsulation 6.3.3 strain relief 6.3.4 final over-molding 6.4 design best practices 14 6.4.1 plug over-mold designs 6.4.2 cradle designs 7.0 electrical recommendations 7.1 power considerations 21 7.2 high speed signal transmission 21
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 4 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 1.0 scope this specification addresses the manufacturing techniques and end-usage considerations for molexs 0.8mm pitch handylink? i/o connectors. the common contact interface used in this family of connectors consists of a flat pad mated to a radiussed edge on a compression spring blade. the flat pad is enclosed by plastic in an ove r-mol ded receptacle housing which provides a sealed ineterface to facilitate ingress protection. the compression spring bl ades are extremely durable and are capable of sustaining over 20,000 mating cycles. two passive latches counteract the compression springs to keep the connector pairs mated but enable simple disconnection by the end-user. the customer is encouraged to contact molex with any questions regarding the application of this product. 2.0 product description 2.1 product names and part numbers smt receptacle c onnectors series : 44828 smt cradle connectors series 45560 (perpendicular and parallel mating) plug connector modules series 45339 (wire termination) series 45593 (pcb termination) 2.2 dimensions, materials, platings, and markings (see applicable sales drawings for information) 3.0 applicable documents and specifications product specification: ps-44828-001; sales drawing s: sd-44828-162, sd-45560-160, sd-45560-161, sd-45339-160, sd-45593- 160
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 5 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 4.0 mating and un-mating of connectors this section describes the preferred methods for mating and un-mating the handylink ? connectors. 4.1 recommendations for mating and un-mating this connector system ut ilizes a passive latching feature. there is no button to press to latch or unlatch. to latch, simply push the plug into the receptacle (the connectors are polarized to discourage improper mating). to unlatch, simply grip the plug body f irmly and pull it straight out of the receptacle. 4.2 mating alignment tolerances 4.2.a 44828 receptacle to 45339 or 45593 plug c onnectors the handylink ? plug and receptacle have been appropriately designed and toleranced to be mated and unmated by hand. the connectors alignment features are manufactured with clearances to allow axial mating mis-alignment, as illustrated in the figure 1, below: figure 1. receptacle to plug connector axial alignment (units: mm)
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 6 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 4.2 mating alignment tolerances (continued) 4.2.b 44828 receptacle to 45560 cradle c onnectors the handylink ? receptacle and cradle connectors alignment features are manufactured with clearances to allow some axial mating mis-alignment as illustrated in the figure 2, below: figure 2. receptacle to cradle connector axial alignment (units: mm) note: mating misalignment may significantly influence the long-term durab ility of the c onnectors. the risk of housing wear diminishes with increasing the accuracy of connector alignment.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 7 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 4.3 clearances between mated parts the handylink connectors are designed such that the corresponding front faces fully engage and then spring back 0.20mm to the final mated condition. this over-travel clearance assures that the components of the passive latching system engage. please see section 6.4 design best practices for further detailed information. 5.0 soldering process recommendations 5.1 44828 smt receptacle connector 5.1.1 pcb layout see the applicable sales drawing for an illustration of the recomm ended pcb layout. contact molex if further assistance is required. 5.1.2 solder paste stencil layout see sales drawing for solderable surfaces. contact molex if further assistance is required. 5.1.3 reflow profile while the production solder reflow profile is typically established by the customer, based on their specific application, gener ic reflow profiles can be found in product specification ps-44828-001. the profiles are provided for reference purposes only. 5.1.4 inspection solder joints should be inspected using established conventional methods. 5.2 45560 smt cradle connector 5.2.1 pcb layout see the applicable sales drawings for illustrations of the recomm ended pcb pad layouts. contact molex if further assistance is required. 5.2.2 solder paste stencil layout see sales drawing for recommended pcb pad layout and solder paste thickness.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 8 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 5.2.3 reflow profile while the production solder reflow profile is typically established by the customer, based on their specific application, gener ic reflow profiles can be found in product specification ps-44828-001. the profiles are provided for reference purposes only. 5.2.4 inspection solder joints should be inspected using established conventional methods. 5.3 45339 plug module for wire termination 5.3.1 applicable wire sizes copper conductor size: 22 to 34 awg (stranded wires are recommended for flexib ility) may be used, however, 22 to 28 awg conductors are necessary to transmit 1.5 amperes dc continuously. maximum insulation diameter: 1.6mm note: small conductor sizes are suitable for the transmission of digital signals, and may improve wire bundl e flexib ility and harness workability. 5.3.2 wire preparation strip length: 2.0 ~ 2.5mm pre-tinning is recommended. 5.3.3 inspection solder joints should be inspected using established conventional methods . 5.4 45593 plug module for pcb termination 5.4.1 pcb layout see the applicable sales drawing for an illustration of the recomm ended pcb hole layout. 5.4.2 inspection solder joints should be inspected using established conventional methods .
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 9 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.0 mechanical mounting recommendations 6.1 mechanical fasteners and support 6.1.1 receptacle c onnector molex recommends that the receptacle connector be mounted within the end-application enclosure such that it is reces sed by 1.6 to 2.4mm from the outermost faces and with a 0.10mm maximum clearance with the casing inner walls. such a rece ss provides multipl e advantages in terms of protecting the contact surfaces from accidental impact with foreign objects, providi ng mechanical suppor t when the mating plug connector assembly is torqued by abusive handling, and helps to reduce direct contact with hand oils or other contamination. see figures 3a and 3b, below, for recommendations on recess dimensions. figure 3a. receptacle connector recess when mating with the plug only (units: mm)
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 10 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc figure 3b. receptacle connector recess when mating with the plug or cradle connectors (units: mm) wherever possible, the 0.10 maximum clearance condition with the receptacle should be minimized by ut ilizing a clam-shell style package design. 6.1.2 plug connector module the plug connector module is intended to be used as a part of a assembly using either direct wire soldering ( 45339 ) or using an intermediary pcb ( 45593 ). overmolding and/or clam shell style covers must be used to protect the wire connections and the appropriate service loops and wire strain reliefs must be incorporated in a cable assembl y to prevent damage during use. pleas e refer to section 6.3 for further details about the ove r-molding process. if the connector module is used as a stand-alone component on a pcb, the mating interface must be adequately supported. please refer to section 6.4.2 for further details concerning cradle design recommendations. 6.1.3 cradle connector the cradle connector is designed to be fastened to the pcb with screws. see sales drawings for recommended screw size and positions. please refer to section 6.4.2 for further details concerning cradle design recommendations.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 11 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.2 ingress protection ingress protection, as described by iec 60529, is a function of the customer s enclosure. the handylink ? receptacle connector has been designed to fac ilitate enclosure design w hen ingress protection is required. the interfaces between the metal and plastic components of the connector are sealed to discourage intrusion of dust and liquid through the connector into the enclosure. th e customer is expected to design an appropriate seal around the periphery of the connector to adequately seal the finished enclos ure. contact molex for additional information. gaskets may be applied to the top and sides, or front surfaces. the bottom surface, once soldered, forms a continuous seal with the pcb figure 4. sealing to achieve ingress protection with the receptacle connector
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 12 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.3 plug cable over-molding 6.3.1 wire soldering this section provides an outline of the recommended plug cable ove r-molding practices for the 45339 and 45593 plug connector modules. the 45339 connector (a 16-circuit wire termination version) is shown, below, p rior to soldering. please note the following features: latch soldertails (2 places) wire soldertails (2 rows) cavities under the latches (2 places) figure 5. soldertail side of the plug connector pre-tinned wires should be terminated to the appropriate solder tails working in sequence and one row at a time, taking care th at the insulation does not become exposed more than 1mm from the end of the terminals. the completed assembly after solder ing of the wires is shown below. dressing of the wires should be avoided until after the soldering and encapsulation processes are complete.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 13 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc figure 6. plug soldering set-up note : the wire bundle must be properly supported or clamped as shown, during soldering and handling, to avoid dislodging terminals or latches from the housing prior to encapsulation, application of a strain relief, and the final ove r-mold.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 14 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.3.2 encapsulation the next step after soldering is to pre-seal or encapsulate the back end of the connector and hold the wires in place using a s ilic one sealant or a low-pressure macro-melt polyamide adhesive molding. the sealant will prevent acci dental shorting between adjacent terminals and discourage intrusion of ove r-mold resin into the terminal and latch cavities. an illustration of the pre-seal cover age is shown below. care must be taken to ensure that no encapsulant enters the terminal or latch cavities. figure 7. encapsulated plug connector an alternate method is to combine one or more molded covers to block entire sections where void circuits are present, then use a pre-seal or encapsulant to hold the wires separate. this is illustrated below. figure 8. covered and encapsulated plug connector note: the sealant or cover should enclose the cavities under the latches, whether or not wires are solder ed to the latches. o mission of this step would allow the final over-mold resin to extr ude into cavities in the housing that could disable latch and terminal function.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 15 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.3.3 strain relief molex strongly recommends the use of a crimp barrel or ferrule over the wire bundle (including ground or drain wire) that also captures the cable jacket and tension member, if used. this will uniformly distribute mechanical loads through the wire bundle and provide mechanical support to the cable jacket and tension member. figure 9. crimp barrel installed 6.3.4 final over-molding the final pvc over-mold may be injection-mol ded to completely cover the prepared cable assembly to provide an esthetically pleasing finished product. please see section 6.4.1 for a discussion of design best practices for the ove r-mold. figure 10. finished ove r-mold (shown transparent)
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 16 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.4 design best practices the information provided so far in this document has been related to the basic usage conditions of the handylink ? connectors. the sections that follow contain important information and guidelines for design that apply to specific applications or industr ial design constraints for the end-product accessories. in all cases, molex advises that prototype assemblies be us ed as early in the des ign and development cycle as possible to simulate and assess true usage conditions in the actual end-products. please contact molex for technical assistance with design feasibility studies or d esign reviews. 6.4.0 mating over-travel clearance the handylink connectors are designed such that the corresponding front faces fully engage and then spring back 0.20mm to the final mated condition. this over-travel clearance assures that the components of the passive latching system engage, as illustrated in figure 11. this clearance must be accommodated in all device and accessory designs top assure proper function. plug connector 0.20mm over-travel clearance between connectors when mated receptacle connector hook latch
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 17 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.4.1 plug over-mold designs supplemental guide features to align the connectors during mating or un-mating are strongly recommended if any of the following conditions are present: o a great deal of curvature in the end product (such as that illustrated, below); o the accessory cable is stiff or bent abruptly; o the mass of the end-product itself is greater than 1000grams and is likely to experience more than 1g of accelerati on during us e or under vibration; o the cable connection and disconnection cycles are numerous (more than 5000 cycles); o there is significant risk of the end users pu lling at connections in off-axis directions. figure 12. example of an application with a great degree of curvature near the connector interface. supplemental guide features may be incorporated into or complement the ove r-mold design as illustrated in figures 12 and 13:
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 18 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc o contouring with a lip to provide mechanical support for torque out of the axial plane of the connectors, the ove r-mold must be desi gned to mimic the outer surfaces of the end product and include a lip such as illustrated below. note: the axial clearance c ondition between the connectors noted in section 4.2 must be maintained. figure 13. example of an over-mold with contouring and a lip this type of design will provide s upport for the end-user to hold the product by the connector or where a heavy or stiff accessory cable is used. over-mol ded lip off-axis torque directions surfaces are contoured to mimic the end product
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 19 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc o supplemental latching and alignment posts where the mass of the end product is greater than 1000 grams and is subject to sudden accelerations or strong vibrations during use, a cup-style receptacle needs to be considered to adequately protect the connection interface. the cup-style receptacle sh ould incorporate separate external latching features and supplemental alignment posts similar to those illustrated below. note: the cup- style receptacle s dimensions must restrict angular misalignment, when mated, to within the limits specified in section 4.2. figure 14. use of a cup-style receptacle for added support and alignment external latching feature (each side) supplemental alignment posts cup-style receptacle (separate molded part) guide ribs (each side)
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 20 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc supplemental alignment posts must be longer than the protrusion of the plug connector posts from the base surface of the cup-st yle receptacle. further, the alignment posts centerlines must lie in the same plane as the centerlines of the plug connector posts to provide the greatest benefits. guide ribs are necessary to prevent front-to back rocking motion as the device is loaded into t he cup- style receptacle. note: the fastening of the cup-style receptacle to the over-mol ded plug must be kept tight to avoid misalignment. if this is not achieved, excessive wear between the connector housings and/or electrical discontinuities may occur.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 21 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 6.4.2 cradle designs o cup style the cup or holster style of cradle provides the greatest degree of alignment between mating connectors. where the end product mass is greater than 1000 grams the use of supplemental alignment posts is recommended. the alignment posts effective length (not including any lead-in taper) must be longer than the protrusion of the connector posts from the base surface of the cup-sty le r eceptacle. further, the alignment posts centerlines must lie in the same plane as the centerlines of the plug connector posts to provide the greatest benefits. guide ribs are necessary on each side to limit front-to back rocking motion as the device is loaded into the cup-st y le cradle. figure 15. cup-style cradle features note: for details about mounting the connectors to the pcb and the use of fasteners, please refer to the applicable sales drawings. supplemental alignment posts guide rails (each side)
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 22 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc figures 16 and 17 show orthogonal views of showing differences in the position and size of the openings in the cradle casing, a nd the pcb location for the 45560 and 45593 connectors. figure 18 shows a chamfer detail applicable to 45593. figure 16. cradle detail (45560) figure 17. cradle detail (45593) figure 18. detail from fig. 17. (units: mm) (units: mm) (units: mm)
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 23 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc o shelf style to achieve a rocking disconnection for the end product from the cradle, a shelf style cradle design may be used under the following conditions: ? no supplemental guide posts may be used; ? the end product may not have more than 1000 grams mass; ? side-to-side motion must be limited using end-walls or a guide rail; ? the vibration conditions of the end application must be limited. figure 19. shelf-style cradle features note: for details about mounting the connectors to the pcb and the use of fasteners, please refer to the applicable sales drawings. connect direction disconnect rocking direction shelf (bearing surface)
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 24 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc in addition to the differences in the position and size of the openings in the cradle casing, the pcb location for the 45560 an d 45593 connectors, and the chamfer detail applicable to 45593 that is shown in figures 16 thru 18. figures 20 through 22 illustrate details necessary to achieve a good rocking design. figure 20. front view of shelf-style cradle figure 21. section view of shelf-style cradle (units: mm) %$&. 6833257 5(48,5('
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 25 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc figure 22. connector orientation rocking direction note: orientation of the receptacle connector and the plug or cradle connector must correspond to that shown for good operation of a rocking design.
handylink ? application specification revision: ecr/ecn information: sheet no. ec no: ucp2006- 1391 a date: 2005/12/13 title: application specification handylink ? i/o connector system 26 of 26 document number: created / revised by: checked by: approved by: sd-45339-001 m. simmel marc simmel joe comerci template filename: product_ spec[size_a](v.1).doc 7.0 electrical recommendations 7.1 power considerations please see the product specification, ps-44828-001, for the nominal electrical specifications. for applications where the sus t ained electrical power usage requirements exceed the limits stated in the product specification, the use of multiple circui ts is sugg ested. when the end-application is likely to encounter salt spray conditions, potential differences exceeding 4vdc should be separated by more than one terminal position (i.e. 1.6mm or more) to avoid galvanic corrosion between circuits. 7.2 high speed signal transmission testing has shown that under the usb 2.0 specification environment for connector components and cable assemblies (200 and 500 picosecond rise times), the handylink connectors perform within specification for both differentia l and common-mode impedan ce. full compliance testing on finished cable assemblies will have to be undertaken to verify the performance level of the finished product. contact molex for further assistance regarding high speed signal transmission applications.

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