8 tn1205t-600 12 a scr features high current density per square mm applications overvoltage crowbar protection motor control circuits in power tools and kitchen aids inrush current limiting circuits description this device is mounted in dpak and intended for use in applications such as voltage regulators circuits for motorbikes, overvoltage crowbar protection, motor control circuits in power tools and capacitive discharge ignition. table 1. device summary i t(rms) 12 a v drm /v rrm 600 v i gt 2 to 5 ma a g k a dpak tn1205t-600b www.kersemi.com
characteristics tn1205t-600 1 characteristics table 2. absolute ratings (1) symbol parameter value unit i t(rms) on-state rms current (180 c conduction angle) t c = 103 c 12 a i t(av) average on-state current(180 c conduction angle) t c = 103 c 8 a i tsm non repetitive surge peak on-state current t p = 8.3 ms t p = 10 ms 120 115 a i 2 ti 2 t value for fusing t p = 10 ms 66 a 2 s di/dt critical rate of rise of on-state current i g = 2 x i gt , tr 100 ns f = 60 hz t j = 125 c 50 a/s i gm peak gate current t p = 20 s t c = 125 c 4 a p g(av) average gate power dissipation t j = 125 c 1 w t stg storage junction temperature range -40 to + 150 c t j operating junction temperature range -40 to + 125 1. t j = 25 c, unless otherwise specified table 3. electrical characteristics (1) symbol test conditions min. typ. max. unit i gt v d = 12 v, r l = 33 25ma v gt v d = 12 v, r l = 33 1.3 v v gd v d = v drm, r l = 3.3 k t j = 125 c 0.2 v i h i t = 500 ma gate open 15 ma i l i g = 1.2 i gt 30 ma dv/dt v d = 67% v drm gate open t j = 125 c 100 v/s t gt gate controlled turn on time i tm = 40 a, v d = v drm(max) , i gt = 100 ma di g /dt = 5 a/s, r g = 68 1.2 s t q circuit commutated turn off time v d = 67% v drm(max) , t j = 125 c, i tm = 20 a, v r = 25 v di t /dt = 30 a/s, dv d /dt = 50 v/s, r gk = 100 55 s v tm i tm = 24 a, t p = 380 s 1.6 v v t0 threshold voltage t j = 125 c 0.85 v r d dynamyc restistance t j = 125 c 30 m i drm i rrm v drm = v rrm t j = 25 c 5 a t j = 125 c 2 ma 1. t j = 25 c, unless otherwise specified www.kersemi.com
tn1205t-600 characteristics table 4. thermal resistance symbol parameter value unit r th(j-c) junction to case (dc) 1.8 c/w r th(j-a) junction to ambient (dc) s (1) = 0.5 cm 2 70 c/w 1. s = copper surface under tab. figure 1. maximum average power dissipation versus average on-state current figure 2. average and dc on-state current versus case temperature figure 3. average dc on-state current versus ambient temperature figure 4. relative variation of thermal impedance junction to case versus pulse duration www.kersemi.com
characteristics tn1205t-600 figure 5. relative variation of thermal impedance junction to ambient versus pulse duration figure 6. relative variation of gate trigger current and voltage, holding and latching current versus t j figure 7. surge peak on-state current versus number of cycles figure 8. non-repetitive surge peak on-state current for a sinusoidal pulse, and corresponding values of i 2 t 10.0 100.0 1000.0 0.01 0.10 1.00 10.00 t (ms) p i (a), i t (a s) tms 22 t initial = 25 j i tsm i t 2 di/dt limitation: 50 a/s figure 9. on-state characteristics (maximum values) figure 10. thermal resistance junction to ambient versus copper surface under tab www.kersemi.com
tn1205t-600 ordering information scheme 2 ordering information scheme figure 11. ordering information scheme standard scr series current sensitivity application specific voltage package packing mode 12 = 12 a 05 = 5 ma 600 = 600 v b = dpak blank = tube -tr = tape and reel tn 12 05 t - 600 b (-tr) www.kersemi.com
package information tn1205t-600 3 package information epoxy meets ul94, v0 lead-free package figure 12. footprint (dimensions in mm) table 5. dpak dimensions ref. dimensions millimeters inches min. max. min. max. a 2.20 2.40 0.086 0.094 a1 0.90 1.10 0.035 0.043 a2 0.03 0.23 0.001 0.009 b 0.64 0.90 0.025 0.035 b2 5.20 5.40 0.204 0.212 c 0.45 0.60 0.017 0.023 c2 0.48 0.60 0.018 0.023 d 6.00 6.20 0.236 0.244 e 6.40 6.60 0.251 0.259 g 4.40 4.60 0.173 0.181 h 9.35 10.10 0.368 0.397 l2 0.80 typ. 0.031 typ. l4 0.60 1.00 0.023 0.039 v2 0 8 0 8 h l4 g b l2 e b2 d a1 r r c a c2 0.60 min. v2 a2 6.7 6.7 3 3 1.6 1.6 2.3 2.3 www.kersemi.com
tn1205t-600 ordering information 4 ordering information 5 revision history table 6. ordering information order code marking package weight base qty delivery mode tn1205t-600b tn12 05t6 dpak 0.3g 75 tube TN1205T-600B-TR tn12 05t6 2500 tape and reel table 7. document revision history date revision changes 01-oct-2009 1 initial release. www.kersemi.com
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