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january 2010 doc id 5203 rev 4 1/11 11 ts420 sensitive gate 4 a scrs features on-state rms current, 4 a repetitive peak off-state voltages, 600 and 700 v triggering gate current, 0.2 ma description thanks to highly sensitive triggering levels, the ts420 series is suitable for all applications where the available gate current is limited, such as motor control for hand tools, kitchen aids, overvoltage crowbar protection for low power supplies among others. available in through-hole or surface-mount packages, they provide an optimized performance in a limited space area. a k g a a k g a k g a a k g a dpak ts420-b ipak ts420-h to-220ab ts420-t table 1. device summary order code voltage (xxx) sensitivity package 600 v 700 v ts420-xxxb x x 0.2 ma dpak ts420-xxxh x x 0.2 ma ipak ts420-xxxt x x 0.2 ma to-220ab www.st.com
characteristics ts420 2/11 doc id 5203 rev 4 1 characteristics table 2. absolute ratings (limiting values) symbol parameter value unit i t(rms) on-state rms current (180 conduction angle) t l = 115 c 4 a it (av) average on-state current (180 conduction angle) t l = 115 c 2.5 a i tsm non repetitive surge peak on-state current t p = 8.3 ms t j = 25 c 33 a t p = 10 ms 30 i 2 ti 2 t value for fusing t p = 10 ms t j = 25 c 4.5 a 2 s di/dt critical rate of rise of on-state current i g = 2 x i gt , t r 100 ns f = 60 hz t j = 125 c 50 a/s i gm peak gate current t p = 20 s t j = 125 c 1.2 a p g(av) average gate power dissipation t j = 125 c 0.2 w t stg storage junction temperature range - 40 to + 150 c t j operating junction temperature range - 40 to + 125 v rgm maximum peak reverse gate voltage 5 v table 3. device timings symbol parameter test conditions value unit t gt gate controlled turn on time i tm = 10 a, v d = v drm(max) , i gt = 10 ma, di g /dt = 0.2 a/s, r g = 1 k , t j = 25 c 0.5 (typ.) s t q circuit controlled turn off time v d = 67% v drm(max) , t j = 125 c, i tm = 8 a, v r = 10 v, di t /dt = 10 a/s, dv d /dt = 2 v/s, r g = 1 k 60 (typ.)
ts420 characteristics doc id 5203 rev 4 3/11 table 4. electrical characteristics (t j = 25 c, unless otherwise specified) symbol test conditions value unit i gt v d = 12 v, r l = 33 max. 200 a v gt max. 0.8 v v gd v d = v drm , r l = 33 k , r gk = 220 t j = 125 c min. 0.1 v v rg i rg = 10 a min. 8 v i h i t = 50 ma, r gk = 1 k max. 5 ma i l i g = 1 ma, r gk = 1 k max. 6 ma dv/dt v d = 67 % v drm, r gk = 220 t j = 125 c min. 5 v/s v tm i tm = 8 a, t p = 380 s t j = 25 c max. 1.6 v v t0 threshold voltage t j = 125 c max. 0.85 v r d dynamic resistance t j = 125 c max. 90 m i drm i rrm v drm = v rrm , r gk = 220 t j = 25 c max. 5a t j = 125 c 1 ma table 5. thermal resistance symbol parameter value unit r th(j-c) junction to case (dc) 3.0 c/w r th(j-a) junction to ambient (dc) s (1) = 0.5 cm 2 1. copper under surface tab dpak 70 c/w ipak 100 to-220ab 60
characteristics ts420 4/11 doc id 5203 rev 4 figure 1. maximum average power dissipation versus average on-state current figure 2. average and dc on-state current versus case temperature 0 . 00 . 5 1. 0 1. 5 2. 0 2. 53 . 0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 p(w) i (a) t(av) = 180 360 0 25 50 75 100 125 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 i (a) t(av) t (c) case = 180 dc figure 3. average and dc on-state current versus ambient temperature (dpak) figure 4. relative variation of thermal impedance junction to ambient versus pulse duration (dpak) 0 25 50 75 100 125 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 i (a) t(av) t (c) amb = 180 = 180 dpak (s = 0.5cm ) 2 ipak dc dc device mounted on fr4 with recommended pad layout 1e-3 1e-2 1e-1 1e+0 1e+1 1e+2 5e+2 1e-3 1e-2 1e-1 1e+0 k=[z /r ] th(j-c) th(j-c) t (s) p z th(j-c) z th(j-a) device mounted on fr4 with recommended pad layout figure 5. relative variation of gate trigger current and holding current versus junction temperature figure 6. relative variation of holding current versus gate-cathode resistance (typical values) -40 -20 0 20 40 60 80 100 120 140 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 t (c) j i,i,i[t] / gt h l j i ,i ,i [t =25c] gt h l j i gt i h and i r = 1k l gk r(k) gk i [r ] / i [ =1k ] hgk h r gk t j = 25c 5 4 1e-2 1e-1 1e+0 1e+1 3 2 1 0
ts420 characteristics doc id 5203 rev 4 5/11 figure 7. relative variation of dv/dt immunity versus gate-cathode resistance (typical values) figure 8. relative variation of dv/dt immunity versus gate-cathode capacitance (typical values) 0 200 400 600 800 1000 1200 1400 1600 1800 2000 0.01 0.10 1.00 10.00 r(k) gk dv/dt[r ] / dv/dt[ =220 ] gk r gk t j = 125c v = 0.67 x v d drm 0 2 4 6 8 10 12 14 16 18 20 22 0 2 4 6 8 10 c (nf) gk dv/dt[c ] / dv/dt[ =220 ] gk r gk t v = 0.67 x v = 125c r = 220 d drm gk j figure 9. surge peak on-state current versus number of cycles) figure 10. non-repetitive surge peak on-state current, and corresponding values of i2t 1 10 100 1000 0 5 10 15 20 25 30 35 i (a) tsm number of cycles non repetitive t initial=25c j repetitive t =115c c t =10ms p one cycle 0.01 0.10 1.00 10.00 1 10 100 300 i (a), i t (a s) tsm 22 t (ms) p i t 2 i tsm t initial = 25c j di/dt limitation sinusoidal pulse with width tp < 10 ms figure 11. on-state characteristics (maximum values) figure 12. thermal resistance junction to ambient versus copper surface under tab (dpak) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 0.1 1.0 10.0 50.0 i (a) tm v (v) tm t j =max t =25c j v =0.85v r =90m t max.: j t0 d 0 2 4 6 8 10 12 14 16 18 20 0 20 40 60 80 100 s(cm2) r (c/w) th(j-a) epoxy printed circuit board fr4 copper thickness = 35 m
ordering information scheme ts420 6/11 doc id 5203 rev 4 2 ordering information scheme figure 13. ordering information scheme ts 4 20 - 600 b (-tr) sensitive scr series sensitivity voltage package packing mode current 4 = 4a 20 = 0.2 ma 600 = 600 v 700 = 700 v b = dpak h = ipak t = to-220ab blank = tube
ts420 package information doc id 5203 rev 4 7/11 3 package information epoxy meets ul94, v0 recomended torque 0.4 to 0.6 nm (to-220ab) in order to meet environmental requirements, st offers these devices in different grades of ecopack ? packages, depending on their level of environmental compliance. ecopack ? specifications, grade definitions and product status are available at: www.st.com . ecopack ? is an st trademark. figure 14. footprint (dimensions in mm) table 6. 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
package information ts420 8/11 doc id 5203 rev 4 table 7. ipak dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 2.20 2.40 0.086 0.094 a1 0.90 1.10 0.035 0.043 a3 0.70 1.30 0.027 0.051 b 0.64 0.90 0.025 0.035 b2 5.20 5.40 0.204 0.212 b3 0.95 0.037 b5 0.30 0.035 c 0.45 0.60 0.017 0.023 c2 0.48 0.60 0.019 0.023 d 6 6.20 0.236 0.244 e 6.40 6.60 0.252 0.260 e2.28 0.090 g 4.40 4.60 0.173 0.181 h 16.10 0.634 l 9 9.40 0.354 0.370 l1 0.8 1.20 0.031 0.047 l2 0.80 1 0.031 0.039 v1 10 10 h l l1 g e b5 b v1 d c a1 a3 a c2 b3 l2 e b2
ts420 package information doc id 5203 rev 4 9/11 table 8. to-220ab dimensions ref. dimensions millimeters inches min. typ. max. min. typ. max. a 15.20 15.90 0.598 0.625 a1 3.75 0.147 a2 13.00 14.00 0.511 0.551 b 10.00 10.40 0.393 0.409 b1 0.61 0.88 0.024 0.034 b2 1.23 1.32 0.048 0.051 c 4.40 4.60 0.173 0.181 c1 0.49 0.70 0.019 0.027 c2 2.40 2.72 0.094 0.107 e 2.40 2.70 0.094 0.106 f 6.20 6.60 0.244 0.259 ?i 3.75 3.85 0.147 0.151 i4 15.80 16.40 16.80 0.622 0.646 0.661 l 2.65 2.95 0.104 0.116 l2 1.14 1.70 0.044 0.066 l3 1.14 1.70 0.044 0.066 m2.60 0.102 c b2 c2 f ? i l a a1 a2 b e b1 i4 l3 l2 c1 m
ordering information ts420 10/11 doc id 5203 rev 4 4 ordering information 5 revision history table 9. ordering information order code marking package we ight base qty delivery mode TS420-600B ts420600 dpak 0.3 g 75 tube TS420-600B-tr ts420600 2500 tape and reel ts420-600h ts420600 ipak 0.4 g 75 tube ts420-600t ts420600t to-220ab 2.3 g 50 tube ts420-700b ts420700 dpak 0.3 g 75 tube ts420-700b-tr ts420700 2500 tape and reel ts420-700h ts420700 ipak 0.4 g 75 tube ts420-700t ts420700t to-220ab 2.3 g 50 tube table 10. document revision history date revision changes sep-2000 3 previous release. 26-jan-2010 4 updated package illustration for to-220ab on front page and ta bl e 8 . added ta b l e 3 .
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