surface mount transient voltage suppressors (tvs) revision october 18, 2013 1 / 6 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. 1.5smc series 6.8 to 600 v 1500w un semiconductor co., ltd. www.unsemi.com.tw the 1.5smc series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. uni-directional bi-directional u for surface mounted applications in order to optimize board space u low leakage u uni and bidirectional unit u glass passivated junction u low inductance u excellent clamping capability u 1500w peak power capability at 10 1000 s waveform repetition rate (duty cycle):0.01% u fast response time: typically less than 1.0ps from 0 volts to v br min u typical i r less than 5 a above 12v. u high temperature soldering: 260 c/40 seconds at terminals u typical maximum temperature coefficient v br = 0.1% v br @25 c t u plastic package has underwriters laboratory flammability 94v-0 u matte tin lead C free plated u halogen free and rohs compliant u typical failure mode is short from over-specified voltage or current u whisker test is conducted based on jedec jesd201a per its table 4a and 4c u iec-61000-4-2 esd 15kv(air), 8kv (contact) u esd protection of data lines in accordance with iec 61000-4-2 (iec801-2) u eft protection of data lines in accordance with iec 61000-4-4 (iec801-4) tvs devices are ideal for the protection of i/o interfaces, v cc bus and other vulnerable circuits used in telecom, computer, industrial and consumer electronic applications. parameter symbol value unit peak pulse power dissipation with a 10/1000 s waveform (fig.1)(note 1), (note 2) p ppm 1500 watts peak pulse current with a 10/1000 s waveform.(note1,fig.3) i pp see next table amps power dissipation on infinite heat sink at t l =75 c p m(av) 6.5 watt peak forward surge current, 8.3ms single half sine wave (note 3) i fsm 200 amps maximum instantaneous forward voltage at 25a for unidirectional only (note 4) v f 3.5/5.0 voltage operating junction and storage temperature range. t j , t stg -55 to +150 c notes: 1. non-repetitive current pulse, per fig. 3 and derated above t a = 25 c per fig. 2. 2. mounted on 5.0mm x 5.0mm (0.03mm thick) copper pads to each terminal. 3. 8.3ms single half sine-wave, or equivalent square wave, duty cycle = 4 pulses per minutes maximum. 4. v f < 3.5v for v br < 200v and v f < 6.5v for v br > 201v. functional diagram applications maximum ratings (t a =25 unless otherwise noted) descripti on features bi-directional uni-direction cathode anode
surface mount transient voltage suppressors (tvs) revision october 18, 2013 2 / 6 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. 1.5smc series 6.8 to 600 v 1500w un semiconductor co., ltd. www.unsemi.com.tw part number marking breakdown voltage v br (v) @i t uni bi uni bi reverse stand-off voltage v rwm (v) min max test current i t (ma) maximum clamping voltage v c @i pp (v) maximum peak pulse current i pp (a) maximum reverse leakage i r @v rwm ( a ) 1.5smc6.8a 1.5smc6.8ca 6v8a 6v8c 5.8 6.46 7.14 10 10.5 142.86 1000 1.5smc7.5a 1.5smc7.5ca 7v5a 7v5c 6.4 7.13 7.88 10 11.3 132.74 500 1.5smc8.2a 1.5smc8.2ca 8v2a 8v2c 7.0 7.79 8.61 10 12.1 123.97 200 1.5smc9.1a 1.5smc9.1ca 9v1a 9v1c 7.8 8.65 9.56 1 1 13.4 111.94 50 1.5smc10a 1.5smc10ca 10a 10c 8.6 9.50 10.50 1 14.5 103.45 10 1.5smc11a 1.5smc11ca 11a 11c 9.4 10.45 11.55 1 15.6 96.15 5 1.5smc12a 1.5smc12ca 12a 12c 10.2 11.40 12.60 1 1 16.7 89.82 5 1.5smc13a 1.5smc13ca 13a 13c 11.1 12.35 13.65 1 18.2 82.42 5 1.5smc15a 1.5smc15ca 15a 15c 12.8 14.25 15.75 1 1 21.2 70.75 5 1.5smc16a 1.5smc16ca 16a 16c 13.6 15.20 16.80 1 22.5 66.67 5 1.5smc18a 1.5smc18ca 18a 18c 15.3 17.10 18.90 1 1 25.2 59.52 5 1.5smc20a 1.5smc20ca 20a 20c 17.1 19.00 21.00 1 27.7 54.15 5 1.5smc22a 1.5smc22ca 22a 22c 18.8 20.90 23.10 1 1 30.6 49.02 5 1.5smc24a 1.5smc24ca 24a 24c 20.5 22.80 25.20 1 33.2 45.18 5 1.5smc27a 1.5smc27ca 27a 27c 23.1 25.65 28.35 1 1 37.5 40.00 5 1.5smc30a 1.5smc30ca 30a 30c 25.6 28.50 31.50 1 41.4 36.23 5 1.5smc33a 1.5smc33ca 33a 33c 28.2 31.35 34.65 1 1 45.7 32.82 5 1.5smc36a 1.5smc36ca 36a 36c 30.8 34.20 37.80 1 49.9 30.06 5 1.5smc39a 1.5smc39ca 39a 39c 33.3 37.05 40.95 1 1 53.9 27.83 5 1.5smc43a 1.5smc43ca 43a 43c 36.8 40.85 45.15 1 59.3 25.30 5 1.5smc47a 1.5smc47ca 47a 47c 40.2 44.65 49.35 1 1 64.8 23.15 5 1.5smc51a 1.5smc51ca 51a 51c 43.6 48.45 53.55 1 70.1 21.40 5 1.5smc56a 1.5smc56ca 56a 56c 47.8 53.20 58.80 1 1 77.0 19.48 5 1.5smc62a 1.5smc62ca 62a 62c 53.0 58.90 65.10 1 85.0 17.65 5 1.5smc68a 1.5smc68ca 68a 68c 58.1 64.60 71.40 1 1 92.0 16.30 5 1.5smc75a 1.5smc75ca 75a 75c 64.1 71.25 78.75 1 103.0 14.56 5 1.5smc82a 1.5smc82ca 82a 82c 70.1 77.90 86.10 1 1 113.0 13.27 5 1.5smc91a 1.5smc91ca 91a 91c 77.8 86.45 95.55 1 125.0 12.00 5 1.5smc100a 1.5smc100ca 100a 100c 85.5 95.00 105.00 1 1 137.0 10.95 5 1.5smc110a 1.5smc110ca 110a 110c 94.0 104.50 115.50 1 152.0 9.87 5 1.5smc120a 1.5smc120ca 120a 120c 102.0 114.00 126.00 1 1 165.0 9.09 5 1.5smc130a 1.5smc130ca 130a 130c 111.0 123.50 136.50 1 179.0 8.38 5 1.5smc150a 1.5smc150ca 150a 150c 128.0 142.50 157.50 1 1 207.0 7.25 5 1.5smc160a 1.5smc160ca 160a 160c 136.0 152.00 168.00 1 219.0 6.85 5 1.5smc170a 1.5smc170ca 170a 170c 145.0 161.50 178.50 1 1 234.0 6.41 5 1.5smc180a 1.5smc180ca 180a 180c 154.0 171.00 189.00 1 246.0 6.10 5 1.5smc200a 1.5smc200ca 200a 200c 171.0 190.00 210.00 1 1 274.0 5.47 5 1.5smc220a 1.5smc220ca 220a 220c 185.0 209.00 231.00 1 328.0 4.57 5 1.5smc250a 1.5smc250ca 250a 250c 214.0 237.50 262.50 1 1 344.0 4.36 5 1.5smc300a 1.5smc300ca 300a 300c 256.0 285.00 315.00 1 414.0 3.62 5 1.5smc350a 1.5smc350ca 350a 350c 299.3 332.50 367.50 1 1 482.0 3.11 5 1.5smc380a 1.5smc380ca 380a 380c 324.9 361.00 399.00 1 524.4 2.86 5 1.5smc400a 1.5smc400ca 400a 400c 342.0 380.00 420.00 1 1 552.0 2.72 5 1.5smc440a 1.5smc440ca 440a 440c 376.2 418.00 462.00 1 607.2 2.47 5 1.5smc500a 1.5smc500ca 500a 500c 427.5 475.00 525.00 1 1 690.0 2.17 5 1.5smc520a 1.5smc520ca 520a 520c 444.6 494.00 546.00 1 717.6 2.09 5 1.5smc550a 1.5smc550ca 550a 550c 470.3 522.50 577.50 1 1 759.0 1.98 5 1.5smc600a 1.5smc600ca 600a 600c 513.0 570.00 630.00 1 828.0 1.81 5 note: 1. suffix 'a ' denotes 5% tolerance device. without 'a' denotes 10% tolerance device 2. add suffix 'c 'or ' ca ' after part number to specify bi-directional devices 3. for bi-directional devices having v r of 10 volts and under, the i r limit is double electrical characteristics (t a =25 unless otherwise noted)
surface mount transient voltage suppressors (tvs) revision october 18, 2013 3 / 6 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. 1.5smc series 6.8 to 600 v 1500w un semiconductor co., ltd. www.unsemi.com.tw figure 1 - pe a k pulse power r a ting curve figure 3 - pulse w a veform ratings and characteristic curves ( t a =25 c unless otherwise noted ) figure 4 - typic a l junction c a p a cit a nce 0 25 50 75 100 125 150 175 100 80 60 40 20 0 t a -ambient temperature( c) peak pulse power (p pp ) or curre nt ( i pp ) derating in percentage % figure 5 - steady state power derating curve figure 2 - pulse der a ting curve figure 6 - maximum non - repetitive surge current 150 100 50 0 i ppm - peak pulse current, % i rsm t r =10 sec peak value ippm half value i ppm (i ppm /2) t c 10/1000 sec. waveform as de ? ned by r.e.a 0 1.0 2.0 3.0 4.0 t j =25 c pulse width(td) is de ? ned as the point where the peak current decays to 50% of i ppm t - time (ms) t d - pulse width ( s ) p ppm - peak pulse power (kw) 1 0 0 0.1 1 0.1 1 10 100 10 00 10000 10 5.0 0 25 50 75 100 125 150 175 200 4.0 3.0 2.0 1.0 0.0 t l - lead temperature( c) p m(av) , steady state power dissipation (w ) 6.0 7.0 8.0 number of cycles at 60hz i fsm - peak for ward surge current (a) 1 10 100 120 80 40 0 160 200 t j =t j max. 8.3 ms single half sine - wave 1.0 10.0 100.0 1000.0 100000 1000 100 1 v br -reverse breakdown voltage (v) 10 10000 c j C junction capacitance (pf) tj=25 c f=1.0mhz vsig=50mvp-p bi - directional @zero bins un i - directional @zero bins un i - directional @v rwm b i - directional @v rwm
surface mount transient voltage suppressors (tvs) revision october 18, 2013 4 / 6 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. 1.5smc series 6.8 to 600 v 1500w un semiconductor co., ltd. www.unsemi.com.tw temperature cycle jesd22-a104 weight 0.007 ounce, 0.21 gram pressure cooker jesd22-a102 case jedec do-214ab molded plastic over glass passivated junction high temp. storage jesd22-a103 polarity color band denotes cathode except bipolar htrb jesd22-a108 terminal matte tin-plated leads, solderable per jesd22-b102d thermal shock jesd22-a106 reflow condition lead C free assembly -temperature min (t s(min) ) 150 c -temperature max (t s(max) ) 200 c pre heat - time (min to max) (t s ) 60 -180 seconds average ramp up rate ( liquidus temp t l ) to peak 3 c/second max t s(max) to tl - ramp-up rate 3 c/second max - temperature (t l ) (liquidus) 217 c reflow - time (min to max) (t s ) 60 -150 seconds peak temperature (t p ) 260 +0/-5 c time within 5 c of actual peak temperature (t p ) 20 -40 seconds ramp-down rate 6 c/second max time 25 c to peak temperature (t p ) 8 minutes max do not exceed 280 c ramp-down preheat critical zone t l to t p time to peak temperature (t 25 to peak) t p t l t s(max) t s(min) 25 temperature ramp-up time i - v curve characteristics p hysical specifications environmental specifications soldering parameters
surface mount transient voltage suppressors (tvs) revision october 18, 2013 5 / 6 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. 1.5smc series 6.8 to 600 v 1500w un semiconductor co., ltd. www.unsemi.com.tw inches millimeters dimensions min max min max a 0.114 0.126 2.86 3.160 b 0.260 0.280 6.520 7.020 c 0.220 0.245 5.520 6.150 d 0.079 0.103 1.980 2.590 e 0.030 0.060 0.750 1.510 f - 0.008 - 0.203 g 0.305 0.320 7.640 8.020 h 0.006 0.012 0.152 0.305 i 0.129 - 3.300 - j 0.094 - 2.400 - k - 0.165 - 4.200 l 0.094 - 2.400 - 1.5smc ca 5% v br voltage tolerance bi-directional v r voltage series dimensions part numbering do -214ab (smc) cathode band
surface mount transient voltage suppressors (tvs) revision october 18, 2013 6 / 6 @ un semiconductor co., ltd. 2013 specifications are subject to change without notice. please refer to www.unsemi.com.tw for current information. 1.5smc series 6.8 to 600 v 1500w un semiconductor co., ltd. www.unsemi.com.tw part number component package quantity packaging option packaging specification 1.5smcxxxxx do-214ab 500 tape & reel -16mm/7 tape eia std rs-481 packaging tape and reel s pecifications direction of feed 0.646 (16.4) 0.512(13.0) arbor hole diameter 7.0 (177.8) dimensions are in inches (and millimeters) 0. 524 (13.3) 0. 157 (4.0) 0.059 (1.5) diameter 0. 315 (8.0) cover tape 0. 63 (16.0)
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