tvs/esd arrays rlst23a712c series speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. electronic s circuit prote ct io n system
tvs/esd arrays - rlst23a712c series page:1 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. ? 600 watts peak pulse power (tp = 8/20s) ? transient protection for high speed data lines to iec 61000-4-2 (esd) 15kv (air), 8kv (contact) iec 61000-4-4 (eft) 40a (5/50ns) iec 61000-4-5 (lightning) 24a (8/20s) ? one device protects one unidirectional line ? two devices protect two high-speed line pairs ? low leakage current ? low operating and clamping voltages ? solid-state epd tvs process technology features mechanical characteristics ? sot-23 package ? molding compound fammability rating: ul 94v-0 ? packaging: tape and reel per eia 481 ? lead finish: matte tin ? rohs compliant applications ? 10/100 ethernet ? wan/lan equipment ? switching systems ? desktops, servers, notebooks & handhelds ? laser diode protection ? base stations ? not intended for use in life support or life saving applications ? the products shown herein are not designed for use in life sustaining or life saving applications unless otherwise expressly indicated life support note pinout and functional block diagram sot23 (top view) circuit prote ct io n system
tvs/esd arrays - rlst23a712c series page:2 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. absolute maximum rating rating symbol value units peak pulse power (tp =8/20s) p pk 600 watts peak pulse current (tp = 8/20s) i pp 17 a lead soldering temperature t l 260 (10 sec.) c operating temperature t j -55 to +125 c storage temperature t stg -55 to +150 c electrical characterlstics per lin (@ 25c unless otherwise specifed) parameter symbol conditions min typ max min typ max units reverse stand-off voltage v rwm pin 3 to 1 or pin 2 to 1 - - 12 - - 7 v reverse breakdown voltage v br i pt =1ma 13.3 - - 7.5 - - v reverse leakage current i r v r = v rwm - - 1 - - 20 a clamping voltage v c i pp = 5a, t p = 8/20s - - 20 - - 10 v clamping voltage v c i pp = 17a, t p = 8/20s - - 26 - - 12 v junction capacitance c j v r = 0v, f = 1mhz - - 75 - - 75 pf junction capacitance c j v r = v rwm , f = 1mhz - 45 - - 45 - pf circuit prote ct io n system
tvs/esd arrays - rlst23a712c series page:3 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. typical characteristics non-repetitive p eak p ulse p ower vs. p ulse time power derating curve t n e r r u c e s l u p k a e p . s v e g a t l o v g n i p m a l c m r o f e v a w e s l u p 0 10 20 3 0 40 50 60 70 80 90 100 110 05 10 15 20 25 3 0 ti me ( s ) pe rc ent of i pp e -t td = i pp /2 wa ve fo rm p ar am et er s: tr = 8 s td = 2 0 s capacitance vs. r everse v oltage 0 10 20 3 0 40 50 60 70 80 90 100 110 02 55 07 51 00 1251 50 175 ambi en t te mp er at ur e - t a ( o c) % of rated power or i pp 0. 01 0. 1 1 10 0. 11 10 10 0 1000 pu ls e du ra ti on - t p ( s ) p eak pu ls e po w er - p pk (kw) 0 2 4 6 8 10 12 14 16 18 20 22 24 02 46 81 01 21 41 6 pe ak p ul se c ur re nt - i pp ( a) cl am pi ng v olta ge - v c (v) pi n 1 to 3 and 2 to 3 pi n 3 to 1 an d 3 t o wa ve fo rm pa ra mete rs : tr = 8 s td = 2 0 s 0 10 20 3 0 40 50 60 70 80 0123 4567 89 10 11 12 13 r everse v ol tage - v r (v) capa ci ta nc e - c j ( pf ) f = 1m hz circuit prote ct io n system
tvs/esd arrays - rlst23a712c series page:4 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. applications information device connection for protection of two rs-485 data lines eia rs-485 speci ? es a 7v ground difference between devices on the bus. this permits the bus voltage to range from +12v (5v + 7v) to -7v (0 - 7v). the rlst23a712c is designed to protect two rs-485 data lines in extended common mode applications. the rlst23a712c may be used to protect devices from transient voltages resulting from esd, eft, and lightning. the device is designed with asymmetrical operating voltages for optimum protection. the tvs diodes at pins 1 and 2 have a working voltage of 12 volts. these pins are connected to the differential data line pairs. the tvs diodes at pin 3 have a working voltage of 7 volts. pin 3 is connected to ground. the internal tvs diodes of the rlst23a712c will protect the transceiver input from positive transient voltage spikes greater than 12v and negative spikes greater than 7v. a series current limiting resistor may be added in applications requiring enhanced surge immunity.circuit board layout recommendations.good circuit board layout is critical for the suppression of fast rise-time transients such as esd. the following guidelines are recommended: ? place the rlst23a712c near the input terminals or connectors to restrict electromagnetic coupling. ? minimize the path length between the rlst23a712c and the protected line. this minimizes voltage overshoot due to parasitic inductance of board traces. ? use ground planes whenever possible. ? long, single trace ground conductors should be avoided. the ground pin (pin 3) should be connected directly to a ground plane on the circuit board for best results. ? minimize all conductive loops including power and ground loops. ? never run critical signals near board edges. rs-485 common mode voltages rs-485 protection circuit circuit prote ct io n system
tvs/esd arrays - rlst23a712c series page:5 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. package dimension sot-23 e e1 d e1 e bxn 2 1 3 a1 a2 a 3x a bbb c a b b c seating plane aaa c 1.40 1.20 n3 3 0 - 8 0 8 0 - .055 .047 bb b. 00 80 .2 0 aaa .004 0.10 inches .114 l1 e d b e c .012 .003 .082 a1 dim a min .000 .035 0.51 0.18 2.64 0.30 0.08 2.10 .022 - .075 - .093 .020 .007 .104 (0.55) 1.90 bsc - - 2.37 2.90 millimeters max 0.10 1.12 min dimensions 0.01 max nom - - .004 .044 nom 0.89 - - 3.04 2.80 .110 .120 e1 .037 0.95 bsc l. 01 5. 02 00 .5 0 0.40 .024 0.60 a2 .035 .037 0.95 0.88 .040 1.02 e1 .051 1.30 see detail a side view datums and to be determined at datum plane -a- -b- 2. controlling dimensions are in millimeters (angles in degrees). notes: or gate burrs. dimensions "e1" and "d" do not include mold flash, protrusions 3. 1. -h- h detail a 0.25 c seating plane gauge plane 0 c l l1 dimensions dim inches millimeters min nom max min nom max a .035 - .044 0.89 - 1.12 a1 - - .004 0.01 - 0.10 a2 .035 .037 .040 0.01 - 0.10 b .012 - .020 0.30 - 0.51 c .003 - .007 0.08 - 0.18 .110 .114 .120 2.80 2.90 3.04 e .082 .093 .104 2.10 2.37 2.64 e1 0.47 .051 .055 1.20 1.30 1.40 e .075 1.90 bcs e1 .037 0.95 bcs l .015 .020 .024 0.40 0.50 0.60 l1 .022 (0.55) n 3 3 circuit prote ct io n system
tvs/esd arrays - rlst23a712c series page:6 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. part number code ordering information r l s t 2 3 a 7 1 2 c logo vrwm:7/12v straight foot overhanging v= unidirectional c= bidirectional package sot-23 dimensions dim inches millimeters c (.087) (2.20) e .037 0.95 e1 .075 1.90 g .031 0.80 x .039 1.00 y .055 1.40 .141 3.60 circuit prote ct io n system
tvs/esd arrays - rlst23a712c series page:7 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. ordering information ordering information part number package min. order qty. rlst23a712c sot-23 3000pcs storage conditions: 1. storage temperature: -10c~+40c 2. relative humidity:75%rh 3. keep away from corrosive atmosphere and sunlight. 4. period of storage: 1 year warehouse storage conditions of products www .pr ot ek de vices.c om 05194.r4 9/12 p ag e 5 s p e c ific a t i o n s reel d i a . t a p e w i d t h a 0 b 0 k 0 d e f w p 0 p 2 p tma x 178mm (7?) 8mm 3.15 0.10 2.77 0.10 1.30 0.10 1.55 0.10 1.75 0.10 3.50 0.05 8.00 0.30 4.00 0.10 2.00 0.05 4.00 0.10 0.228 n o t e s 1. dimensions a r e in millim e t er s. 2. surf ace moun t pr oduct is t aped and r eeled in ac c or dance with ei a -481. 3. 4. 5. marking on p art - marking c ode (see pag e 2) and d a t e c ode. t op co v er t ape k0 d p0 p2 t oler ance on t ape. 0.2 a0 b0 p e f w pin 1 t www .pr ot ek de vices.c om 05194.r4 9/12 p ag e 5 s p e c ific a t i o n s reel d i a . t a p e w i d t h a 0 b 0 k 0 d e f w p 0 p 2 p tma x 178mm (7?) 8mm 3.15 0.10 2.77 0.10 1.30 0.10 1.55 0.10 1.75 0.10 3.50 0.05 8.00 0.30 4.00 0.10 2.00 0.05 4.00 0.10 0.228 n o t e s 1. dimensions a r e in millim e t er s. 2. surf ace moun t pr oduct is t aped and r eeled in ac c or dance with ei a -481. 3. 4. 5. marking on p art - marking c ode (see pag e 2) and d a t e c ode. t op co v er t ape k0 d p0 p2 t oler ance on t ape. 0.2 a0 b0 p e f w pin 1 t circuit prote ct io n system
page:8 speci?cations are subject to change without notice. please refer to http://www.ruilon.com for current information. ruilongyuan electronics co., ltd. reproducing and modifying information of the document is prohibited without permission from ruilongyuan international inc. ruilongyuan international inc. reserves the rights to make changes of the content herein the document anytime without noti?cation. please refer to our website for the latest document. ruilongyuan international inc. disclaims any and all liability arising out of the application or use of any product including damages incidentally and consequentially occurred. ruilongyuan international inc. does not assume any and all implied warranties, including warranties of ?tness for particular purpose, non-infringement and merchantability. applications shown on the herein document are examples of standard use and operation. customers are responsible in comprehending the suitable use in particular applications.ruilongyuan international inc. makes no representation or warranty that such applications will be suitable for the specifed use without further testing or modifcation. the products shown herein are not designed and authorized for equipments requiring high level of reliability or relating to human life and for any applications concerning life-saving or life-sustaining, such as medical instruments, transportation equipment,aerospace machinery et cetera. customers using or selling these products for use in such applications do so at their own risk and agree to fullyindemnify ruilongyuan international inc. for any damages resulting from such improper use or sale. tel: +86-755-8290 8296 fax: +86-755-8290 8002 e-mail: jack@ruilon.com circuit prote ct io n system
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