?2016 littelfuse, inc. specifcations are subject to change without notice. revised: 08/24/16 tvs diodes surface mount C sld8s series agency agency file number e230531 designed to protect sensitive electronics from: - inductive load switching - alternator load dump applications features the sld8s series is smto-263 packaged with leaded modifcation and is designed to provide precision overvoltage protection for sensitive electronics. description maximum ratings and thermal characteristics (t a =25 o c unless otherwise noted) agency approvals ? aec-q101 qualif ed ? smt o-263 pac kage, and foot print is compatible to industrial popular d o- 218ab package ? meet iso7 637-2 5a/5b protection and iso1 6750 load dump test (refer to app note f or details) ? v br @ t j = v br @25c x (1+ t x (t j - 25)) ( t:temperature coeffcient, t ypical v alue is 0.1% ? glass passiv ated c hip junction in modifed to- 263 package ? iec-610 00-4-2 esd 30kv(air), 30kv (cont act) ? esd protection of dat a lines in accordance with iec 61 000-4-2 ? eft protection of dat a lines in accordance with iec 61 000-4-4 ? f ast response time: typically less than 1 .0ps from 0 volts to b v min ? excellent clamping capability ? low increment al surge resistance ? plastic pac kage is fammabilit y rated v-0 per underwriters laboratories ? meet msl le vel 1, per j-std-020, lf maximun peak of 260 c ? for surf ace mounted applications to optimize board space ? l ow profle pac kage ? high temperat ure to refo w soldering guaranteed: 260c/1 0sec at terminals ? mat te tin leadCfree plated ? halogen free and r ohs compliant ? pb-free e3 means 2nd lev el interconnect is pb- free and the terminal fnish material is tin (sn) (ipc/ jedec j-s td-609a.01) functional diagram bi-directional uni-directional cathode anode sld8s series rohs pb e3 parameter symbol value unit peak pulse power dissipation 1. 10ms x 150ms test waveform p ppm 2200 w 2. 10 s x 1000 s test waveform 7000 w power dissipation on infnite heatsink at t c = 25 c p d 8.0 w maximum instantaneous forward voltage at 1 00a f or unidirectional only v f 1. 8 v peak forward surge current 8.3m single half sine-wave i fsm 1000 a operating junction and storage temperature range t j , t stg -55 to 175 c typical thermal r esistance j unction to case r jc 0.9 c/w
?2016 littelfuse, inc. specifcations are subject to change without notice. revised: 08/24/16 tvs diodes surface mount C sld8s series part number (uni) breakdown voltage v br @ i t (v) test current i t (ma) reverse stand off voltage v r (volts) maximum reverse leakage i r @ v r (a) t j =150 o c max. reverse leakage i r @ v r (a) maximum peak pulse surge current i pp (a) maximum clamping voltage v c @ i pp (v) agency approval min max sld8s12a 13.3 14.7 5.0 12 10 50 352 19.9 x sld8s13a 14.4 15.9 5.0 13 10 50 326 21.5 x sld8s14a 15.6 1 7. 2 5.0 14 10 50 301 23.2 x sld8s15a 16.7 18.5 5.0 15 10 50 286 24.4 x sld8s16a 1 7. 8 19.7 5.0 16 2.0 50 269 26.0 x sld8s17a 18.9 20.9 5.0 17 2.0 50 253 27.6 x SLD8S18A 20.0 22.1 5.0 18 2.0 50 240 29.2 x sld8s20a 22.2 24.5 5.0 20 2.0 50 216 32.4 x sld8s22a 24.4 26.9 5.0 22 2.0 50 197 35.5 x sld8s24a 26.7 29.5 5.0 24 2.0 50 180 38.9 x sld8s26a 28.9 31.9 5.0 26 2.0 50 167 42.1 x sld8s27a 29.9 33.1 5.0 27 2.0 50 160 43.6 x sld8s28a 31.1 34.4 5.0 28 2.0 50 154 45.4 x sld8s30a 33.3 36.8 5.0 30 2.0 50 144 48.4 x sld8s33a 36.7 40.6 5.0 33 2.0 50 132 53.3 x sld8s36a 40.0 44.2 5.0 36 2.0 50 121 58.1 x sld8s40a 44.4 49.1 5.0 40 2.0 50 108 64.5 x sld8s43a 47.8 52.8 5.0 43 2.0 50 101 69.4 x sld8s48a 53.3 58.9 5.0 48 2.0 50 89.7 77.4 x sld8s57a 63.8 69.9 5.0 57 2.0 50 75.5 92.7 x notes: 1. v br measured after i t applied for 300s, i t = square wave pulse or equivalent. 2. surge cur rent waveform per 10s x 1000s exponential wave and derated per fig. 2 3. all terms and symbols are consistent with ansi/ieee c62.35. electrical characteristics (t a =25c unless otherwise noted) load dump test wave form note: lf use td=400ms for 12v system test; td=350ms for 24v system parameter 12v system 24v system u s 65v to 87v 1 23v to 174v r i 0.5 to 4 1 to 8 t d 40 ms to 400 ms 1 00 ms to 350 ms t r (10 -5 )ms 0
?2016 littelfuse, inc. specifcations are subject to change without notice. revised: 08/24/16 tvs diodes surface mount C sld8s series 0. 1 1 10 100 0.01 0. 11 10 100 p ppm -p ea k pu lse po we r( kw ) t d -pul se wi dt h (m s) ratings and characteristic curves (t a =25c unless otherwise noted) figure 1 - peak pulse current rating curve figure 2 - peak pulse power derating curve i-v curve characteristics vc v br v r i r i t i pp v uni-directional v f p ppm peak pulse power dissipation -- max power dissipation v r stand-off voltage -- maximum voltage that can be applied to the tvs without operation v br breakdown voltage -- maximum voltage that fows though the tvs at a specifed test current (i t ) v c clamping voltage -- peak voltage measured across the tvs at a specif ed ippm (peak impulse current) i r reverse leakage current -- current measured at v r v f forward voltage drop for uni-directional 0 20 40 60 80 100 02 5507 5 100 125 150 175 t j - initial junction temperature (oc) peak pulse power (p pp ) or current (i pp ) derating in percentage % u 1 v m t f 8 j e u i t
o b s 5 t
8 $ f d o b e f q n * m b n s f i 5 u o f j 3 + $ 3 + " figure 3 - typical transient thermal impedance
?2016 littelfuse, inc. specifcations are subject to change without notice. revised: 08/24/16 tvs diodes surface mount C sld8s series soldering parameters ti me temperature t p t l t s(max) t s(min) 25 t p t l t s time to peak temperature preheat p r e h eat ramp-up ramp-up ramp-down r am p - do 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 t emp) (t l ) to peak 5c/second max t s(max) to t l - ramp-up rate 5c/second max refow - temperature (t l ) (liquidus) 21 7c - time ( min to max) (t s) 60 C 150 seconds p eak temperature (t p ) 260 +0/-5 c time within 5c of actual peak temperature (t p ) 20 C 40 seconds ramp-down rate 5c/second max time 25c to peak temperature (t p ) 8 minutes max. do not exceed 260c figure 5 - typical junction capacitance 1 10 100 10 100 v br - reverse breakdown vo ltage (v) cj (pf) uni-directional @ v r uni-directional v=0v figure 4 - typical soa chart 0. 50 0.75 1.00 1.25 1. 50 1.75 65 70 75 80 85 ri(o hm ) vs (v ol t) iso7637 5a 12v test system sld12a sld15a td:400ms 0. 50 0.75 1.00 1.25 1. 50 1.75 65 70 75 80 85 ri(o hm ) vs (v ol t) iso7637 5a 12v test system sld20a sld24a td:400ms 1.5 2.0 2.5 3.0 3.5 4.0 123 133 143 153 173 ri(o hm ) vs (v ol t) iso7637 5a 24v test system sld30a sld36a 163 td:350ms note: soa (safe operation area) refer to the area which below the curve line and refer to app note for details.
?2016 littelfuse, inc. specifcations are subject to change without notice. revised: 08/24/16 tvs diodes surface mount C sld8s series part numbering system p ower dissipation voltage 5% voltage tolerance series code sld 8x x a s smto -263 pac ka ge part marking system sld8sxxx f date c ode mark ing littelfuse logo cathode band ymxxx y: y ear code m: month c ode xxx :lot code dimensions b a c e d f g h m i j 0.413 (10.50) 0.601 (15.27) 0.350 (8.89) 0.276 (7.01) 0.085 (2.16) 0.091 (2.30) 0.1 18 (3.00) top view side view bottom view recommend soldering pad outline 0.032 (0.81) u 0.331 (8.41) 0.276 (7.01) 0.320 (8.13) area: 0. .1 1 in 2 physical specifcations terminal finish 100% matte tin-plated body material ul recognized epoxy meeting fammability classifcation 94v-0 lead material copper allo y environmental specifcations high temp. storage jesd22-a103 htrb jesd22-a108 temperature cycling jesd22-a104 msl jedec-j-std-020, level 1 h3trb jesd22-a101 rsh jesd22-a111 dimensions inches millimeters min max min max a 0.568 0.600 14.44 15.24 b 0.380 0.420 9.65 10.67 c 0.098 0.114 2.50 2.90 d 0.1 69 0.189 4.30 4.80 e 0.1 02 0.118 2.60 3.00 f 0.178 0.1 88 4.52 4.78 g 0.045 0.060 1.14 1 .52 h 0.360 0.370 9.14 9.40 i 0.1 06 0.122 2.69 3.09 j 0.069 0.089 1.75 2.25 m 0.284 0.30 0 7.22 7.62 u 0 0.0 10 0 0.25
?2016 littelfuse, inc. specifcations are subject to change without notice. revised: 08/24/16 tvs diodes surface mount C sld8s series 0.512 (13.0) arbor hole dia. 0.945 (24.0) 0.63 (16.0) 1.01 (25.7) 12.99 (330.0) 0.827 (21.0) 0.157 (4.0) direction of feed dimensions are in inches (and millimeters). * * cov er tape 0.059 dia (1.5) smto-263 embossed carrier reel pack (rp) specifcations meets all eia-481-2 standards packaging part number component package quantity packaging option sld8sxxa smto-263 500 embossed carrier
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