280a phase control thyristors stud version st280s series bulletin i25161/b features center amplifying gate hermetic metal case with glass-metal seal insulator international standard case to-209ab (to-93) threaded studs unf 3/4 - 16unf2a or iso m16x1.5 compression bonded encapsulation for heavy duty operations such as severe thermal cycling typical applications dc motor controls controlled dc power supplies ac controllers i t(av) 280 a @ t c 85 c i t(rms) 440 a i tsm @ 50hz 7850 a @ 60hz 8220 a i 2 t @ 50hz 308 ka 2 s @ 60hz 281 ka 2 s v drm /v rrm 400 to 600 v t q typical 100 s t j - 40 to 125 c parameters st280s units major ratings and characteristics case style to-209ab (to-93)
st280s series 2222222222222 12 di/dt max. non-repetitive rate of rise gate drive 20v, 20 w , t r 1s of turned-on current t j = t j max , anode voltage 80% v drm gate current 1a, di g /dt = 1a/s v d = 0.67% v drm , t j = 25c i tm = 300a, t j = t j max , di/dt = 20a/s , v r = 50v dv/dt = 20v/s , gate 0v 100 w, t p = 500s parameter st280s units conditions 1000 a/s switching t q typical turn-off time 100 t d typical delay time 1.0 on-state conduction electrical specifications voltage ratings s i t(av) max. average on-state current 280 a 180 conduction, half sine wave @ case temperature 85 c i t(rms) max. rms on-state current 440 a dc @ 75c case temperature i tsm max. peak, one-cycle 7850 t = 10ms no voltage non-repetitive surge current 8220 t = 8.3ms reapplied 6600 t = 10m s 100% v rrm 6900 t = 8.3ms reapplied sinusoidal half wave, i 2 t maximum i 2 t for fusing 310 t = 10ms no voltage initial t j = t j max. 220 t = 8.3 ms reapplied 218 t = 10ms 100% v rrm 200 t = 8.3ms rea pplied i 2 ? t maximum i 2 ? t for fusing 3100 ka 2 ? s t = 0.1 to 10ms, no voltage reapplied v t(to)1 low level value of threshold voltage v t(t o)2 high level value of threshold voltage r t 1 low level value of on-state slope resistance r t 2 high level value of on-state slope resistance v tm max. on-state voltage 1.28 v i pk = 880a, t j = t j max , t p = 10ms sine pulse i h maximum holding current 600 i l max. (typical) latching current 1000 (300) 0.84 (16.7% x p x i t(av) < i < p x i t(av) ) , t j = t j max. 0.50 (16.7% x p x i t(av) < i < p x i t(av) ) , t j = t j max. 0.47 (i > p x i t(av) ), t j = t j max. parameter st280s units conditions 0.88 (i > p x i t(av) ), t j = t j max. ka 2 s v m w ma t j = 25 c, anode supply 12v resistive load a voltage v drm /v rrm , max. repetitive v rsm , maximum non- i drm /i rrm max. type number code peak and off-state voltage repetitive peak voltage @ t j = t j max v v ma 04 400 500 06 600 700 st280s 30
st280s series fig. 2 - current ratings characteristics fig. 1 - current ratings characteristics fig. 3 - on-state power loss characteristics fig. 4 - on-state power loss characteristics
st280s series fig. 5 - maximum non-repetitive surge current fig. 6 - maximum non-repetitive surge current fig. 7 - on-state voltage drop characteristics fig. 8 - thermal impedance z thjc characteristic
st280s series fig. 9 - gate characteristics
st280s series 23 dv/dt maximum critical rate of rise of off-state voltage i drm max. peak reverse and off-state i rrm leakage current blocking 500 v/ s t j = t j max linear to 80% rated v drm parameter st280s units conditions 30 ma t j = t j max , rated v drm /v rrm applied t j max. operating temperature range -40 to 125 t stg max. storage temperature range -40 to 150 r t hjc max. thermal resistance, junction to case r t hcs ma x. thermal resistance, case to heatsink t mounting torque, 10% 31 (275) 24.5 (210) wt approximate weight 280 g case style to - 209ab (to-93) see outline table parameter st280s units conditions 0.105 dc operation 0.04 mounting surface, smooth, flat and greased thermal and mechanical specification p gm maximum peak gate power 10.0 t j = t j max , t p 5ms p g(av) maximum average gate power 2.0 t j = t j max , f = 50hz, d% = 50 i gm max. peak positive gate current 3.0 a t j = t j max , t p 5ms + v gm maximum peak positive gate voltage - v gm maximum peak negative gate voltage i gt dc gate current required t j = - 40c to trigger ma t j = 25c t j = 125c v g t dc gate voltage required t j = - 40c to trigger v t j = 25c t j = 125c i gd dc gate current not to trigger 10 ma parameter st280s units conditions 20 5.0 triggering v gd dc gate voltage not to trigger 0.25 v t j = t j max typ. max. 180 - 90 150 40 - 2.9 - 1.8 3.0 1.2 - max. gate current/ voltage not to trigger is the max. value which will not trigger any unit with rated v drm anode-to-cathode applied max. required gate trigger/ cur- rent/ voltage are the lowest value which will trigger all units 12v anode-to-cathode applied w v t j = t j max , t p 5ms c k/w nm (lbf-in) non lubricated threads lubricated threads
st280s series 2222222222222 12 d r thjc conduction (the following table shows the increment of thermal resistence r thjc when devices operate at different conduction angles than dc) ordering information table device code 5 3 4 st 28 0 s 06 p 0 v 7 6 9 8 1 2 180 0.016 0.012 t j = t j max. 120 0.019 0.020 90 0.025 0.027 k/w 60 0.036 0.037 30 0.060 0.060 conduction angle sinusoidal conduction rectangular conduction units conditions 1 - thyristor 2 - essential part number 3 - 0 = converter grade 4 - s = compression bonding stud 5 - voltage code: code x 100 = v rrm (see voltage rating table) 6 - p = stud base 16unf threads m = stud base metric threads (m16 x 1.5) 7 - 0 = eyelet terminals (gate and auxiliary cathode leads) 1 = fast - on terminals (gate and auxiliary cathode leads) 2 = flag terminals (for cathode and gate terminals) 8 - v = glass-metal seal 9 - critical dv/dt: none = 500v/sec (standard selection) l = 1000v/sec (special selection)
st280s series 23 fast-on terminals case style to-209ab (to-93) all dimensions in millimeters (inches) outline table case style to-209ab (to-93) flag all dimensions in millimeters (inches) 2 white shrink red shrink red cathode red silicon rubber +i 2 1 0 ( 8 . 2 6 ) 1 0 ( 0 . 3 9 ) c.s. 0.4mm (0.0006 s.i.) m a x . 9 0 ( 3 . 5 4 ) m i n . 4.3 (0.17) dia. 19 (0.75) max. 3 8 . 5 ( 1 . 5 2 ) m a x . 1 6 ( 0 . 6 3 ) m a x . 8.5 (0.33) dia. + - glass metal seal 28.5 (1.12) max. dia. 220 (8.66) 10 (0.39) * for metric device : m16 x 1.5 - lenght 21 (0.83) max. sw 32 c.s. 25mm 2 (0.039 s.i.) flexible lead 4 (0.16) max. 2 2 ( 0 . 8 6 ) m i n . 35 (1.38) max. 3/4"-16unf-2a * 2 7 . 5 ( 1 . 0 8 ) 9 . 5 ( 0 . 3 7 ) m i n . white gate glass-metal seal 2 7 . 5 ( 1 . 0 8 ) m a x . 3 8 . 5 ( 1 . 5 2 ) m a x . 3 (0.12) 8 0 ( 3 . 1 5 ) m a x . dia. 28.5 (1.12) max. flag terminals 1.5 (0.06) dia. sw 32 22 (0.89) dia. 6.5 (0.25) 1 3 ( 0 . 5 1 ) 14 (0.55) 1 6 ( 0 . 6 3 ) m a x . 3/4"-16unf-2a* *for metric device. m16 x 1.5 - lenght 21 (0.83) max. amp. 280000-1 ref-250
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