291 ?2008 littelfuse, inc. revised: july 9, 2008 teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. sxx55x series 55 amp standard scrs speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 a scrs sxx55x series main features symbol value unit i t(rms) 55 a v drm /v rrm 400 to 1000 v i gt 40 ma absolute maximum ratings symbol parameter test conditions value unit i t(rms) rms on-state current t c = 90c 55 a i tsm peak non-repetitive surge current single half cycle; f = 50hz; t j (initial) = 25c 550 a single half cycle; f = 60hz; t j (initial) = 25c 650 i 2 ti 2 t value for fusing t p = 8.3 ms 1750 a 2 s di/dt critical rate of rise of on-state current f = 60hz ; t j = 125c 175 a/s i gm peak gate current t j = 125c p w = 10s 4.0 a p g(av) average gate power dissipation t j = 125c 0.8 w t stg storage temperature range -40 to 150 c t j operating junction temperature range -40 to 125 c description excellent unidirectional switches for phase control applications such as heating and motor speed controls. standard phase control scrs are triggered with few milliamperes of current at less than 1.5v potential. features & bene?ts t 3 p ) 4 d p n q m j b o u t ( m b t t o q b t t j w b u f e junctions t 7 p m u b h f d b q b c j m j u z v q to 1000 v t 4 v s h f d b q b c j m j u z v q u p 650 a schematic symbol applications typical applications are ac solid-state switches, industrial power tools, exercise equipment, white goods and commercial appliances. a k g
292 revised: july 9, 2008 ?2008 littelfuse, inc. teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 amp standard scrs sxx55x series speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. electrical characteristics (t j = 25c, unless otherwise speci?ed) symbol test conditions value unit i gt v d = 12v; r l = 60 8 max. 40 ma min. 5 v gt max. 1.5 v dv/dt v d = v drm ; gate open; t j = 100c 400v min. 650 v/s 600v 600 800v 500 1000v 250 v d = v drm ; gate open; t j = 125c 400v 550 600v 500 800v 475 v gd v d = v drm ; r l = 3.3 k 8 ; t j = 125c min. 0.2 v i h i t = 200ma (initial) max. 60 ma t q (1) max. 35 s t gt i g = 2 x i gt ; pw = 15s; i t = 110a typ. 2.5 s note : (1) i t =2a; t p =50s; dv/dt=5v/s; di/dt=-30a/s thermal resistances symbol parameter value unit r r (j-c) junction to case (ac) sxx55r sxx55n 0.5 c/w sxx55w sxx55m 0.53 r r (j-a) junction to ambient sxx55r 40 c/w note: xx = voltage static characteristics symbol test conditions value unit v tm i t = 110a; t p = 380s max. 1.8 v i drm / i rrm v drm / v rrm t j = 25c 400 C 600v max. 10 a 800 v 20 1000 v 30 t j = 100c 400 C 600v 1000 800v 1500 1000v 5000 t j = 125c 400 C 600v 2000 800v 3000
293 ?2008 littelfuse, inc. revised: july 9, 2008 teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. sxx55x series 55 amp standard scrs speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 a scrs figure 1: normalized dc gate trigger current vs. junction temperature figure 2: normalized dc gate trigger voltage vs. junction temperature 12 5 0.0 0. 5 1.0 1. 5 2.0 -40 -1 5 10 3 5 60 8 5 110 junction temperature (t j ) -- (c) ratio of i gt / i gt (t j = 2 5 c) figure 5: power dissipation (typical) vs. rms on-state current figure 6: maximum allowable case temperature vs. rms on-state current figure 3: normalized dc holding current vs. junction temperature figure 4: on-state current vs. on-state voltage (typical) 12 5 0.0 0. 5 1.0 1. 5 2.0 -40 -1 5 10 3 5 60 8 5 110 junction temperature (t j ) -- (c) ratio of v gt / v gt (t j = 2 5 c) 12 5 0.0 0. 5 1.0 1. 5 2.0 -40 -1 5 10 3 5 60 8 5 110 ratio of i h / i h (t j = 2 5 c) junction temperature (t j ) -- (c) t j = 2 5 c 0 20 40 60 80 100 120 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1. 5 1. 6 instantaneous on-state voltage (v t ) C volts instantaneous on-state current (i t ) C amps 0 10 20 30 40 5 0 60 0 5 10 1 5 20 2 5 30 3 5 40 4 55 0 55 rms on-state current [i t(rms) ] - (amps) average on-state power dissipation [p d(av) ] - (watts) 70 7 5 80 8 5 90 9 5 100 10 5 110 11 5 120 12 5 130 0 5 10 1 5 20 2 5 30 3 5 40 4 55 0 55 60 maximum allowable case temperature (t c ) - c rms on-state current [i t(rms) ] - amps current waveform: sinusoidal load: resistive or inductive conduction angle: 180 note: xx = voltage
294 revised: july 9, 2008 ?2008 littelfuse, inc. teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 amp standard scrs sxx55x series speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. figure 7: maximum allowable case temperature vs. average on-state current figure 8: maximum allowable ambient temperature vs. rms on-state current figure 9: maximum allowable ambient temperature vs. average on-state current 70 7 5 80 8 5 90 9 5 100 10 5 110 11 5 120 12 5 130 0 5 10 1 5 20 2 5 30 3 5 40 average on-state current [i t(ave) ] - amps maximum allowable case temperature (t c ) - c current waveform: sinusoidal load: resistive or inductive conduction angle: 180 0 20 40 60 80 100 120 0.0 0. 5 1.0 1. 5 2.0 2. 5 rms on-state current [i t(rms) ] - amps maximum allowable ambient temperature (t a ) - c current waveform: sinusoidal load: resistive or inductive conduction angle: 180 free air rating 0 20 40 60 80 100 120 0.0 0. 5 1.0 1. 5 average on-state current [i t(ave) ] - amps maximum allowable ambient temperature (t a ) - c current waveform: sinusoidal load: resistive or inductive conduction angle: 180 free air rating figure 10: peak capacitor discharge current figure 11: peak capacitor discharge current derating 100 1000 10000 0. 5 1.0 10.0 5 0.0 peak discharge current (i tm ) - amps pulse current duration (t w ) - ms i trm t w 0.0 0.2 0.4 0.6 0.8 1.0 1.2 02 55 07 5 100 12 5 1 5 0 normalized peak current case temperature (t c ) - c note: xx = voltage
295 ?2008 littelfuse, inc. revised: july 9, 2008 teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. sxx55x series 55 amp standard scrs speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 a scrs 10 100 1000 1 10 100 1000 surge current duration -- full cycles peak surge (non-repetitive) on-state current (i tsm ) C amps figure 12: surge peak on-state current vs. number of cycles supply frequency: 60 hz sinusoidal load: resistive rms on-state current: [i t(rms) ]: maximum rated value at speci?ed case temperature notes: 1. gate control may be lost during and immediately following surge current interval. 2. overload may not be repeated until junction temperature has returned to steady-state rated value. soldering parameters re?ow 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 190 secs average ramp up rate (liquidus temp) (t l ) to peak 5c/second max t s(max) to t l - ramp-up rate 5c/second max re?ow - 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 5c/second max time 25c to peak temperature (t p ) 8 minutes max. do not exceed 280c time 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
296 revised: july 9, 2008 ?2008 littelfuse, inc. teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 amp standard scrs sxx55x series speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. physical speci?cations environmental speci?cations test speci?cations and conditions ac blocking mil-std-750, m-1040, cond a applied peak ac voltage @ 125c for 1008 hours temperature cycling mil-std-750, m-1051, 100 cycles; -40c to +150c; 15-min dwell-time temperature/ humidity eia / jedec, jesd22-a101 1008 hours; 320v - dc: 85c; 85% rel humidity high temp storage mil-std-750, m-1031, 1008 hours; 150c low-temp storage 1008 hours; -40c thermal shock mil-std-750, m-1056 10 cycles; 0c to 100c; 5-min dwelltime at each temperature; 10 sec (max) transfer time between temperature autoclave eia / jedec, jesd22-a102 168 hours (121c at 2 atms) and 100% r/h resistance to solder heat mil-std-750 method 2031 solderability ansi/j-std-002, category 3, test a lead bend mil-std-750, m-2036 cond e terminal finish 100% matte tin-plated body material ul recognized epoxy meeting ?ammability classi?cation 94v-0 lead material copper alloy design considerations careful selection of the correct device for the applications operating parameters and environment will go a long way toward extending the operating life of the thyristor. good design practice should limit the maximum continuous current through the main terminals to 75% of the device rating. other ways to ensure long life for a power discrete semiconductor are proper heat sinking and selection of voltage ratings for worst case conditions. overheating, overvoltage (including dv/dt), and surge currents are the main killers of semiconductors. correct mounting, soldering, and forming of the leads also help protect against component damage. dimensions to-220ab (r-package) non-isolated mounting tab common with center lead dimension inches millimeters min max min max a 0.380 0.420 9.65 10.67 b 0.105 0.115 2.67 2.92 c 0.230 0.250 5.84 6.35 d 0.590 0.620 14.99 15.75 e 0.142 0.147 3.61 3.73 f 0.110 0.130 2.79 3.30 g 0.540 0.575 13.72 14.61 h 0.025 0.035 0.64 0.89 j 0.195 0.205 4.95 5.21 k 0.095 0.105 2.41 2.67 l 0.060 0.075 1.52 1.91 m 0.085 0.095 2.16 2.41 n 0.018 0.024 0.46 0.61 o 0.178 0.188 4.52 4.78 p 0.045 0.060 1.14 1.52 r 0.038 0.048 0.97 1.22 k j a h g b f e c d l r t c measuring point anode o p n m .276 7. 0 1 . 5 26 13.36 .320 8.13 area (ref.) 0.17 in 2 notch in gate lead to id. non-isolated tab gate cathode anode note: maximum torque to be applied to mounting tab is 8 in-lbs. (0.904 nm).
297 ?2008 littelfuse, inc. revised: july 9, 2008 teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. sxx55x series 55 amp standard scrs speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 a scrs dimensions C to-263aa (n-package) d 2 -pak surface mount dimension inches millimeters min max min max a 0.360 0.370 9.14 9.40 b 0.380 0.420 9.65 10.67 c 0.178 0.188 4.52 4.78 d 0.025 0.035 0.63 0.89 e 0.048 0.055 1.22 1.40 f 0.060 0.075 1.52 1.91 g 0.095 0.105 2.41 2.67 h 0.083 0.093 2.11 2.36 j 0.018 0.024 0.46 0.61 k 0.090 0.110 2.29 2.79 s 0.590 0.625 14.99 15.87 v 0.035 0.045 0.89 1.14 u 0.002 0.010 0.05 0.25 w 0.040 0.070 1.02 1.78 g b a w f d v s cathode anode t c measuring point c e k h j u .320 8.13 .276 7. 0 1 .331 8.41 gate .460 11.68 .665 16.89 .260 6.60 .150 3.81 .080 2.03 .085 2.16 .055 1.40 .350 8.89 .276 7. 0 1 .276 7. 0 1 area: 0.11 in 2 dimensions C to-218x (w package) non-isolated mounting tab common with center lead dimension inches millimeters min max min max a 0.810 0.835 20.57 21.21 b 0.610 0.630 15.49 16.00 c 0.178 0.188 4.52 4.78 d 0.055 0.070 1.40 1.78 e 0.487 0.497 12.37 12.62 f 0.635 0.655 16.13 16.64 g 0.022 0.029 0.56 0.74 h 0.075 0.095 1.91 2.41 j 0.575 0.625 14.61 15.88 k 0.256 0.264 6.50 6.71 l 0.220 0.228 5.58 5.79 m 0.080 0.088 2.03 2.24 n 0.169 0.177 4.29 4.49 p 0.034 0.042 0.86 1.07 r 0.113 0.121 2.87 3.07 s 0.086 0.096 2.18 2.44 t 0.156 0.166 3.96 4.22 u 0.164 0.165 4.10 4.20 v 0.603 0.618 15.31 15.70 w 0.000 0.005 0.00 0.13 x 0.003 0.012 0.07 0.30 y 0.028 0.032 0.71 0.81 z 0.085 0.095 2.17 2.42 g r y h d c k b a e f n t m p j l s v u (diameter) w x cathode anode anode t c measurement point gate note: maximum torque to be applied to mounting tab is 8 in-lbs. (0.904 nm). z
298 revised: july 9, 2008 ?2008 littelfuse, inc. teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 amp standard scrs sxx55x series speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. dimensions C to-218ac (m package) non-isolated mounting tab common with center lead dimension inches millimeters min max min max a 0.810 0.835 20.57 21.21 b 0.610 0.630 15.49 16.00 c 0.178 0.188 4.52 4.78 d 0.055 0.070 1.40 1.78 e 0.487 0.497 12.37 12.62 f 0.635 0.655 16.13 16.64 g 0.022 0.029 0.56 0.74 h 0.075 0.095 1.91 2.41 j 0.575 0.625 14.61 15.88 k 0.211 0.219 5.36 5.56 l 0.422 0.437 10.72 11.10 m 0.058 0.068 1.47 1.73 n 0.045 0.055 1.14 1.40 p 0.095 0.115 2.41 2.92 q 0.008 0.016 0.20 0.41 r 0.008 0.016 0.20 0.41 u 0.164 0.165 4.10 4.20 w 0.085 0.095 2.17 2.42 c d h g f b a e t c measurement point u (diameter) anode p gate j anode cathode m n k l r q note: maximum torque to be applied to mounting tab is 8 in-lbs. (0.904 nm). w product selector part number voltage gate sensitivity type package 400v 600v 800v 1000v sxx55r xxxx 40ma standard scr to-220r sxx55n xxxx 40ma standard scr to-263 sxx55w x x x 40ma standard scr to-218x sxx55m xxxx 40ma standard scr to-218ac note: xx = voltage packing options part number marking weight packing mode base quantity sxx55r sxx55r 2.2g bulk 500 sxx55rtp sxx55r 2.2g tube 500 sxx55ntp sxx55n 1.6g tube 500 sxx55nrp sxx55n 1.6g embossed carrier 500 sxx55w sxx55w 5.23g bulk 250 sxx55wtp sxx55w 5.23g tube 500 sxx40m sxx40m 4.40g bulk 250 sxx55mtp sxx55m 4.40g tube 500 note: xx = voltage
299 ?2008 littelfuse, inc. revised: july 9, 2008 teccor ? brand thyristors speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. sxx55x series 55 amp standard scrs speci?cations are subject to change without notice. please refer to http://www.littelfuse.com for current information. 55 a scrs to-263 embossed carrier reel pack (rp) speci?cation gate mt1 / cathode mt2 / anode 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). * * cover tape 0.059 dia (1.5) meets all eia-481-2 standards part numbering system part marking system 5 6 device type s: scr xx: lead form option package type r: to-220 (non-isolated) m: to-218ac (non-isolated) w: to-218x (non-isolated) n: to-263 (d current rating lead form dimensions 55 : 55 a voltage rating 40: 400v 60: 600v 80: 800v k0: 1000v sensitivity & type s60 55 r [blank]: 40ma 2 - pak) to-218ac - (m package) to-218x - (w package) to-220 ab (r package) to-263 (n package) yxxxx s60 55 r ? ? yxxxx s60 55 m
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