? 2016 littelfuse, inc. specifcations are subject to change without notice. revised: 01/23/18 5 description applications the sm series tvs diode array is designed to protect sensitive equipment from damage due to electrostatic discharge (esd), electrical fast transients (eft), and lightning induced surges. the sm series can absorb repetitive esd strikes above the maximum level specifed in the iec 61000-4-2 international standard without performance degradation and safely dissipate up to 24a of 8/20s induced surge current (iec- 61000-4-5, 2nd edition) with very low clamping voltages. features ? rohs compliant and lead-free ? esd, iec 61000-4-2, 30kv contact, 30kv air ? eft, iec 61000-4-4, 50a (5/50ns) ? lightning, iec 61000- 4-5, 2nd edition, 24a (t p =8/20s, sm05) ? working voltages: 5v, 12v, 15v, 24v and 36v ? low clamping voltage ? low leakage current ? aec-q101 qualifed (sot23-3 package) ? moisture sensitivity level (msl-1) ? industrial equipment ? test and medical equipment ? point-of-sale terminals ? motor controls ? legacy ports (rs-232, rs-485) ? security and alarm system ? automotive electronics pinout and functional block diagram life support note: 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. rohs pb green sm series 400w tvs diode array 1 2 3 rs-232 application example ic rd td rt s ct s ds r dt r rs - 232 po rt tr an sc ei ve r sm15 (x6) (b id irec o na l im pl em en ta o n) case gnd (aec-q101 qualifed) additional information datasheet saes resources tvs diode arrays (spa ? diodes) sm series general purpose esd protection - sm05 through sm36
? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 01/23/18 6 notes: caution: stresses above those listed in absolute maximum ratings may cause permanent damage to the component. this is a stress only rating and operation of the component at these or any other conditions above those indicated in the operational sections of this specifcation is not implied. absolute maximum ratings symbol parameter value units p pk peak pulse power (t p =8/20s) 400 w t op operating temperature -40 to 125 c t stor storage temperature -55 to 150 c sm05 electrical characteristics (t op =25oc) parameter symbol test conditions min typ max units reverse standoff voltage v rwm i r 1a 5.0 v reverse voltage drop v r i r =1ma 6.0 v leakage current i leak v r =5v 1. 0 a clamp voltage 1 v c i pp =1a, t p =8/20s, pin 1 or pin 2 to pin 3 9.8 v i pp =10a, t p =8/20s, pin 1 or pin 2 to pin 3 13.0 v dynamic resistance 2 r dyn tlp, t p =100ns, i/o to gnd 0.19 ? peak pulse current (8/20s) 1 ipp t p =8/20s 24.0 a esd withstand voltage 1 v esd iec 61000-4-2 (contact discharge) 30 kv iec 61000-4-2 (air discharge) 30 kv diode capacitance 1 c i/o-gnd reverse bias=0v, f=1mhz 400 pf c i/o-i/o reverse bias=0v, f=1mhz 350 pf sm12 electrical characteristics (t op =25oc) parameter symbol test conditions min typ max units reverse standoff voltage v rwm i r 1a 12.0 v reverse voltage drop v r i r =1ma 13.3 v leakage current i leak v r =12v 1. 0 a clamp voltage 1 v c i pp =1a, t p =8/20s, pin 1 or pin 2 to pin 3 18.5 v i pp =10a, t p =8/20s, pin 1 or pin 2 to pin 3 22.5 v dynamic resistance 2 r dyn tlp, t p =100ns, i/o to gnd 0.25 ? peak pulse current (8/20s) 1 ipp t p =8/20s 1 7. 0 a esd withstand voltage 1 v esd iec 61000-4-2 (contact discharge) 30 kv iec 61000-4-2 (air discharge) 30 kv diode capacitance 1 c i/o-gnd reverse bias=0v, f=1mhz 150 pf c i/o-i/o reverse bias=0v, f=1mhz 120 pf tvs diode arrays (spa ? diodes) general purpose esd protection - sm05 through sm36
? 2016 littelfuse, inc. specifcations are subject to change without notice. revised: 01/23/18 7 sm15 electrical characteristics (t op =25oc) sm24 electrical characteristics (t op =25oc) sm36 electrical characteristics (t op =25oc) parameter symbol test conditions min typ max units reverse standoff voltage v rwm i r 1a 15.0 v reverse voltage drop v r i r =1ma 16.7 v leakage current i leak v r =15v 1. 0 a clamp voltage 1 v c i pp =1a, t p =8/20s, pin 1 or pin 2 to pin 3 24.0 v i pp =10a, t p =8/20s, pin 1 or pin 2 to pin 3 30.0 v dynamic resistance 2 r dyn tlp, t p =100ns, i/o to gnd 0.30 ? peak pulse current (8/20s) 1 ipp t p =8/20s 12.0 a esd withstand voltage 1 v esd iec 61000-4-2 (contact discharge) 30 kv iec 61000-4-2 (air discharge) 30 kv diode capacitance 1 c i/o-gnd reverse bias=0v, f=1mhz 100 pf c i/o-i/o reverse bias=0v, f=1mhz 75 pf parameter symbol test conditions min typ max units reverse standoff voltage v rwm i r 1a 24.0 v reverse voltage drop v r i r =1ma 26.7 v leakage current i leak v r =24v 1. 0 a clamp voltage 1 v c i pp =1a, t p =8/20s, pin 1 or pin 2 to pin 3 36.0 v i pp =5a, t p =8/20s, pin 1 or pin 2 to pin 3 42.0 v dynamic resistance 2 r dyn tlp, t p =100ns, i/o to gnd 0.50 ? peak pulse current (8/20s) 1 ipp t p =8/20s 7. 0 a esd withstand voltage 1 v esd iec 61000-4-2 (contact discharge) 30 kv iec 61000-4-2 (air discharge) 30 kv diode capacitance 1 c i/o-gnd reverse bias=0v, f=1mhz 65 pf c i/o-i/o reverse bias=0v, f=1mhz 50 pf parameter symbol test conditions min typ max units reverse standoff voltage v rwm i r 1a 36.0 v reverse voltage drop v r i r =1ma 40.0 v leakage current i leak v r =36v 1. 0 a clamp voltage 1 v c i pp =1a, t p =8/20s, pin 1 or pin 2 to pin 3 52.0 v i pp =4a, t p =8/20s, pin 1 or pin 2 to pin 3 62.0 v dynamic resistance 2 r dyn tlp, t p =100ns, i/o to gnd 0.65 ? peak pulse current (8/20s) 1 ipp t p =8/20s 5.0 a esd withstand voltage 1 v esd iec 61000-4-2 (contact discharge) 30 kv iec 61000-4-2 (air discharge) 30 kv diode capacitance 1 c i/o-gnd reverse bias=0v, f=1mhz 50 pf c i/o-i/o reverse bias=0v, f=1mhz 40 pf note: 1 parameter is guaranteed by design and/or component characterization. 2 transmission line pulse (tlp) with 100ns width and 200ps rise time. tvs diode arrays (spa ? diodes) sm series general purpose esd protection - sm05 through sm36
? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 01/23/18 8 pulse waveform 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% 110% 0.0 5.0 10.0 15.0 20.0 25.0 30.0 time (s) percent of i pp power derating curve 0 10 20 30 40 50 60 70 80 90 100 110 02 55 07 51 00 12 51 50 am bi en t te mp er at ur e - t a ( o c) % of ra ted po we r i pp non-repetitive peak pulse power vs. pulse time pu ls e du ra ti on - t p ( s) p eak pu ls e po we r - p pk (k w) 0.01 0. 1 1 10 0. 11 10 100 1000 0 2 4 6 8 10 12 14 16 18 20 0246 81 01 2 sm 05 tl p vo lt ag e (v ) tl p cu rre nt (a ) sm05 transmission line pulsing(tlp) plot 0 2 4 6 8 10 12 14 16 18 20 05 10 15 20 25 tl p vo lt ag e (v ) tl p cu rre nt (a ) sm 12 sm12 transmission line pulsing(tlp) plot 0 2 4 6 8 10 12 14 16 18 20 05 10 15 20 25 30 sm 15 tl p vo lt ag e (v ) tl p cu rr en t (a ) sm15 transmission line pulsing(tlp) plot tvs diode arrays (spa ? diodes) general purpose esd protection - sm05 through sm36
? 2016 littelfuse, inc. specifcations are subject to change without notice. revised: 01/23/18 9 ti me te mperature t p t l t s(max) t s(min) 25 t p t l t s time to peak temperature preheat p rehea t ramp-up r amp-up ramp-down r amp-d o critical zone t l to t p c ritical zo n e t l to t p refow condition pb C free assembly pre heat - temperature min (t s(min) ) 150c - temperature max (t s(max) ) 200c - time (min to max) (t s ) 60 C 180 secs average ramp up rate (liquidus) temp (t l ) to peak 3c/second max t s(max) to t l - ramp-up rate 3c/second max refow - temperature (t l ) (liquidus) 217c - temperature (t l ) 60 C 150 seconds peak temperature (t p ) 260 +0/-5 c time within 5c of actual peak temperature (t p ) 20 C 40 seconds ramp-down rate 6c/second max time 25c to peak temperature (t p ) 8 minutes max. do not exceed 260c soldering parameters ordering information part number package marking min. order qty. sm05-02htg sot23-3 m05 3000 sm12-02htg sot23-3 m12 3000 sm15-02htg sot23-3 m15 3000 SM24-02HTG sot23-3 m24 3000 sm36-02htg sot23-3 m36 3000 0 2 4 6 8 10 12 14 16 18 20 05 10 15 20 25 30 35 40 sm 24 tl p vo lt ag e (v ) tl p cu rr en t (a ) sm24 transmission line pulsing(tlp) plot 0 2 4 6 8 10 12 14 16 18 20 05 10 15 20 25 30 35 40 45 50 55 sm 36 tl p vo lt ag e (v ) tl p cu rr en t (a ) sm36 transmission line pulsing(tlp) plot tvs diode arrays (spa ? diodes) sm series general purpose esd protection - sm05 through sm36
? 2018 littelfuse, inc. specifcations are subject to change without notice. revised: 01/23/18 10 general informa tion 1. 30 00 pieces per reel. 2. order in mul tiples of full reels onl y. 3. meets eia-481 revision "a" specifica tions. cover t ape user direction of feed pin 1 so t 23-3 (8mm pocket pitch) 8.4mm 1 80mm 1 4.4mm 1 3mm 60mm a ccess hole 8mm t ape and reel embossed carrier tape & reel speci cation ? sot23-3 symbol millimetres inches min max min max e 1.65 1.85 0.065 0.073 f 3.40 3.60 0.134 0.142 p2 1.90 2.10 0.075 0.083 d 1.40 1.60 0.055 0.063 p0 3.90 4.10 0.154 0.161 w 7.70 8.30 0.303 0.327 p 3.90 4.10 0.154 0.161 a0 3.05 3.25 0.120 0.128 b0 2.67 2.87 0.105 0.113 k0 1. 12 1.32 0.044 0.052 t 0.22 0.24 0.009 0.009 p e e1 e 3 1 2 e1 b a1 a d c l1 0 n m 502b package sot23-3 pins 3 jedec to-236 millimeters inches min max min max a 0.89 1. 12 0.035 0.044 a1 0.01 0.1 0.0004 0.004 b 0.3 0.5 0.012 0.020 c 0.08 0.2 0.003 0.008 d 2.8 3.04 0.110 0.120 e 2.1 2.64 0.083 0.104 e1 1. 2 1. 4 0.047 0.055 e 0.95 bsc 0.038 bsc e1 1.90 bsc 0.075 bsc l1 0.54 ref 0.021 ref m 2.29 .090 n 0.95 0.038 o 0.78 .030typ p 0.78 .030typ package dimensions sot23-3 recommended pad layout p e e1 e 3 1 2 e1 b a1 a d c l1 0 n m 502b part numbering system part marking system sm 02 t g series number of channels package t= tape & reel g= green ? tvs diode arrays (spa ? diodes) h: sot23-3 h xx working voltage mxx tvs diode arrays (spa ? diodes) general purpose esd protection - sm05 through sm36
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