technical data sheet gort road business park, ennis, co. clare, ireland. 6 lake street, lawrence, ma 01841 tel: +353 (0) 65 6840044 , fax: +353 (0) 65 6822298 tel: 1 - 800 - 446 - 1158 / (978) 794 - 1666, fax: (978) 6890803 website: http: //www.micros emi.com rf01009 rev a, june 2010 hi gh rel iability product group page 1 of 4 devices mlce6.5a thru mlce170a, e3 levels m, ma, mx, mxl features ? high reliability controlled devices with wafer fabrication and assembly lot traceability ? 100 % surge tested devices ? unidirectional construction. for bidirectional opti on s ee f igure 4 . ? suppresses transients up to 1500 watts @10/1000s (see f igure 1) ? clamps transients in less than 100 pico seconds ? optional upscreening available by replacing the m pref ix with ma, mx or mxl. these prefixes specify various screening and conforma n ce inspection options based on mil - prf - 19500. refer to micron ote 129 for more d etails on the screening options . ? surface mount equivalent packages also available as msmc (g/ j ) lce6.5a - msmc(g/ j )lce1 70a in separate data sheet (consult factory for other surface mount options) ? moisture classification is level 1 with no dry pack required per ipc/jedec j - std - 020b ? rohs compliant devices available by adding e3 suffix ? 3 lot norm screening performed on sta ndby current i d applications / benefits ? protection from switching transients and induced rf ? low capacitance for data line protection to 1 mhz ? protection for aircraft fast data rate lines up to level 5 waveform 4 and level 2 waveform 5a in rtca/do - 160d ( also see micronote 130) & arinc 429 with bit rates of 100 kb/s (per arinc 429, part 1, par 2.4.1.1) ? protection from esd and eft per iec 61000 - 4 - 2 and iec 61000 - 4 - 4 ? secondary lightning protection per iec 61000 - 4 - 5 with 42 ohms source impedance: o class 1: mlce6.5a to mlce170a o class 2: mlce6.5a to mlce150a o class 3: mlce6.5a to mlce70a o class 4: mlce6.5a to mlce36a ? secondary lightning protection per iec 61000 - 4 - 5 with 12 ohms source impedance: o class 1 : mlce6.5a to mlce90a o class 2: mlce6.5a to mlce45 a o class 3: mlce6.5a to mlce22a o class 4: mlce6.5a to mlce11a ? secondary lightning protection per iec 61000 - 4 - 5 with 2 ohms source impedance: o class 2: mlce6.5a to mlce20a o class 3: mlce6.5a to mlce10a maximum ratings ? peak pulse power dissipation at 25 oc : 1500 watts at 10/1000 s (see fig ure 1 ) with impulse repetition rate of 0.01% or less * at lead temperature t l of 25 c ? operating & storage temperatures: - 65 oc to +150 oc ? thermal resistance: 22 oc/w junction to lead at 3/8 inch (10 mm) from body, or 8 2 oc/w junction to ambient when mounted on fr4 pc board with 4 mm 2 copper pads (1oz), track width 1 mm, length 25mm ? steady - state power dissipation*: 5 watts at tl = 40 oc, or 1.52 watts at ta = 25 oc when mounted on fr4 pc board described for thermal resi stance ? solder temperatures: 260 o c for 10 s (maximum) * tvs devices are not typically used for dc power dissipation and are instead operated at v wm except for transients that briefly drive the device into avalanche breakdown (v br to v c region) of the tvs element. also see figures 3 and 4 for further protection details in rated peak power for unidirectional and bidirectional configurations respe ctively. case 1 1500 watt low capacitance transient voltage suppressor - high reliability controlled devices - unidirectional (a) construction - plastic encapsulated tvs series for thru hole mounting - selections for 6.5 to 170 v standoff voltages (v wm )
technical data sheet gort road business park, ennis, co. clare, ire land. 6 lake street, lawrence, ma 01841 tel: +353 (0) 65 6840044 , fax: +353 (0) 65 6822298 tel: 1 - 800 - 446 - 1158 / (978) 794 - 1666, fax: (978) 6890803 website: http: //www.micros emi.com _____________________________________________________________________________________________________________________________ ______ rf01009 rev a, june 2010 hi gh rel iability product group page 2 of 4 mechanical and packaging ? void - free transfer molded thermosetting epoxy body meeting ul94v - 0 ? tin - lead (90 % sn, 10 % pb) or rohs (100% sn) compliant annealed matte - tin plating readily solderable per mil - std - 750, method 2026 ? body marked with part number ? cathode indicated by band. no cathode band on bi - directional devices. ? available in bulk or custom tape & reel packaging ? tape & reel s tandard per eia - 296 (add tr suffix to part number) ? weight: 1.5 gram (approximate ly ) packa ge dimensions symbols & definitions symbol definition symbol definition v wm working peak (standoff) voltage i pp peak pulse current p pp peak pulse power v c clamping voltage v br breakdown voltage i br breakdown current for v br i d standb y current note: cathode indicated by band all dimensions in inches millimeters
technical data sheet gort road business park, ennis, co. clare, ire land. 6 lake street, lawrence, ma 01841 tel: +353 (0) 65 6840044 , fax: +353 (0) 65 6822298 tel: 1 - 800 - 446 - 1158 / (978) 794 - 1666, fax: (978) 6890803 website: http: //www.micros emi.com _____________________________________________________________________________________________________________________________ ______ rf01009 rev a, june 2010 hi gh rel iability product group page 3 of 4 electrical characteristics @ 25 o c microsemi part number reverse standoff voltage v wm (note 1) v breakdown voltage v br @ i br maximum standby current i d @ v wm ? a maximum clamping voltage v c @ i pp v maximum peak pulse current i pp a maximum capacitance @ 0 v f = 1 mhz pf working inverse blocking voltage v wib v inverse blocking leakage current i ib @ v wib a peak inverse blocking voltage v pib v v min v max ma mlce6.5a mlce7.0a 6.5 7.0 7.22 7.78 7.98 8.60 10 10 100 0 500 11.2 12.0 100 100 100 100 75 75 10 10 100 100 mlce7.5a mlce8.0a 7.5 8.0 8.33 8.89 9.21 9.83 10 1 250 100 12.9 13.6 100 100 100 100 75 75 10 10 100 100 mlce8.5a mlce9.0a 8.5 9.0 9.44 10.0 10.4 11.1 1 1 50 10 14.4 15.4 100 97 100 100 75 75 10 10 100 100 mlce10a mlce11a 10 11 11.1 12.2 12.3 13.5 1 1 5 5 17.0 18.2 88 82 100 100 75 75 10 10 100 100 mlce12a mlce13a 12 13 13.3 14.4 14.7 15.9 1 1 5 5 19.9 21.5 75 70 100 100 75 75 10 10 100 100 mlce14a mlce15a 14 15 15.6 16.7 17.2 18.5 1 1 5 5 23.2 24.4 6 5 61 100 100 75 75 10 10 100 100 mlce16a mlce17a 16 17 17.8 18.9 19.7 20.9 1 1 5 5 26.0 27.6 57 54 100 100 75 75 10 10 100 100 mlce18a mlce20a 18 20 20.0 22.2 22.1 24.5 1 1 5 5 29.2 32.4 51 46 100 100 75 75 10 10 100 100 mlce22a mlce24a 22 24 24.4 26.7 26.9 29.5 1 1 5 5 35.5 38.9 42 39 100 100 75 75 10 10 100 100 mlce26a mlce28a 26 28 28.9 31.1 31.9 34.4 1 1 5 5 42.1 45.4 36 33 100 100 75 75 10 10 100 100 mlce30a mlce33a 30 33 33.3 36.7 36.8 40.6 1 1 5 5 48.4 53.3 31 28.1 100 100 75 75 10 10 100 100 m lce36a mlce40a 36 40 40.0 44.4 44.2 49.1 1 1 5 5 58.1 64.5 25.8 23.3 100 100 75 75 10 10 100 100 mlce43a mlce45a 43 45 47.8 50.0 52.8 55.3 1 1 5 5 69.4 72.7 21.6 20.6 100 100 150 150 10 10 200 200 mlce48a mlce51a 48 51 53.3 56.7 58.9 62.7 1 1 5 5 77.4 82 .4 19.4 18.2 100 100 150 150 10 10 200 200 mlce54a mlce58a 54 58 60.0 64.4 66.3 71.2 1 1 5 5 87.1 93.6 17.2 16.0 100 100 150 150 10 10 200 200 mlce60a mlce64a 60 64 66.7 71.1 73.7 78.6 1 1 5 5 96.8 103.0 15.5 14.6 90 90 150 150 10 10 200 200 mlce70a mlc e75a 70 75 77.8 83.3 86.0 92.1 1 1 5 5 113 121 13.3 12.4 90 90 150 150 10 10 200 200 mlce80a mlce90a 80 90 88.7 100 98.0 111 1 1 5 5 129 146 11.6 10.3 90 90 150 300 10 10 200 200 mlce100a mlce110a 100 110 111 122 123 135 1 1 5 5 162 178 9.3 8.4 90 90 300 300 10 10 200 400 mlce120a mlce130a 120 130 133 144 147 159 1 1 5 5 193 209 7.8 7.2 90 90 300 300 10 10 400 400 mlce150a mlce160a 150 160 167 178 185 197 1 1 5 5 243 259 6.2 5.8 90 90 300 300 10 10 400 400 mlce170a 170 189 209 1 5 275 5.4 90 300 10 400 note 1: tvs are normally selected according to the reverse standoff voltage ( wm ) that should be equal to or greater than the dc or continuous peak operating voltage level
technical data sheet gort road business park, ennis, co. clare, ire land. 6 lake street, lawrence, ma 01841 tel: +353 (0) 65 6840044 , fax: +353 (0) 65 6822298 tel: 1 - 800 - 446 - 1158 / (978) 794 - 1666, fax: (978) 6890803 website: http: //www.micros emi.com _____________________________________________________________________________________________________________________________ ______ rf01009 rev a, june 2010 hi gh rel iability product group page 4 of 4 graphs pulse time ( tw) in ? figure 1 - peak pulse power vs. pulse time (t w ) in ? s graphs schematic applications the tvs low capacitance device configuration is shown in figure 2. as a further option for unidirectional applications , an additional low capacitance rectifier diode may be used in parallel in the same polarity direction as the tvs as shown in figure 3. in applications where random high voltage transients occur, this will prevent reverse transients from damaging the inte rnal low capacitance rectifier diode and also provide a low voltage conducting direction. the added rectifier diode should be of similar low capacitance and also have a higher reverse voltage rating than the tvs clamping voltage v c . the microsemi recomme nded rectifier part number is the elcr80 for the application in figure 5. if using two (2) low capacitance tvs devices in anti - parallel for bidirectional applications, this added protective feature for both directions (including the reverse of each rect ifier diode) is also provided. the unidirectional and bidirectional configurations in figure 3 and 4 will both result in twice the capacitance of figure 2. figure 2 figure 3 figure 4 tvs with internal low optional unidirectional optional bidirectional capacitance diode configuration (tvs and configuration (two tvs separate rectifier diode) devices in anti - parallel) in parallel.
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