note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: tr0019d doc solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com designer?s data sheet part number / ordering information 1 / sft6678 m _ _ tx = not screened tx = tx level txv = txv level s = s level = straight leads ub = up bend db = down bend m = to-254 z = to-254z /3 = to-3 sft6678 series 15 amps 400 volts npn high speed power transistor a pplication notes: ? replaces industry standard 2n6678 ? designed for high voltage, high speed, power switching applications such as: ? off-line supplies ? converter circuits ? pulse width modulated regulators ? motor controls ? deflection circuits maximum ratings symbol value units collector ? emitter voltage v ceo 400 volts collector ? base voltage v cbo 650 volts emitter ? base voltage v ebo 8.0 volts continuous collector current i c 15 amps continuous base current i b 5.0 amps operating and storage temperature t j , t stg -65 to +200 c total power dissipation @ t c =25c @ t a =25c p d 175 6.0 w w maximum thermal resistance (junction to case) (ambient to case) r 0 jc r 0 ja 1.0 29.17 oc/w to-254 (m) to-254 (z) to-3 (/3) notes: * pulse test: pulse width = 300 s, duty cycle < 2% 1 / for ordering information, price, and availability contact factory. 2 / screening based on mil-prf-19500. screening flows available on request. 3 / up and down bend configurations available for m and z (to-254 and to-254z) packages only. 4 / all electrical characteristics @ 25c, unless otherwise specified.
note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: tr0019d doc solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com sft6678 series electrical characteristics symbol min max units collector cutoff current v ce = 400v, v be (off) =1.5v v ce = 650v, v be (off) =1.5v v ce = 650v, v be (off) =1.5v t c = 25c t c = 25c t c = 125c i cev - - 0.5 1.0 50 a a a collector ? base leakage curren t v cb = 650v i cbo - 1 ma emitter cutoff current (v eb = 8v, i c = 0) i ebo - 2 ma collector-emitter sustaining voltage (i c = 200ma, i b = 0) v ceo(sus) 400 - v dc current gain* v ce = 3v, 1 c = 15a, t a = 25c v ce = 3v, 1 c = 1a, t a = 25c v ce = 3v, 1 c = 15a,t a = -55c h fe1 h fe2 h fe3 8 15 4 20 40 - base-emitter saturation voltage* (i c = 15a, i b = 3a) v be (sat) - 1.5 v collector-emitter saturation voltage* (i c = 15a, i b = 3a) (t c = 25c) (t c = 125c) v ce (sat) - - 1.0 2.0 v current gain (i c = 1a, v ce = 10v , f = 5mhz) |h fe | 3 10 output capacitance (v cb = 10v , f = 0.1mhz) c ob 150 500 pf delay time (v cc = 200v , i c = 15a, i b1 = i b2 = 3a, t p = 50 ? ) t (on) t d - 0.1 sec rise time t r - 2.5 storage time t (off) t s - 0.6 fall time t f - 0.5 cross over time (i c = 15 a(pk), v clamp = 450v, i b1 = 3 a, v be(off) = 6v) t c - 0.5 sec
note: all specifications are subject to change without notification. scd's for these devices should be reviewed by ssdi prior to release. data sheet #: tr0019d doc solid state devices, inc. 14701 firestone blvd * la mirada, ca 90638 phone: (562) 404-4474 * fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com sft6678 series safe operating area, dc v ce = 11.7 v, i c = 15 a, 1 sec v ce = 30 v, i c = 5.9 a, 1 sec v ce = 100 v, i c = 0.25 a, 1 sec v ce = 400 v, i c = 10 ma, 1 sec safe operating area, clamped switching v cc = 15 v, v bb2 = 5 v, r bb1 = 5 ? , r bb2 = 1.5 ? , l = 50h, v clam p = 450v, i c = 15 a case outline: to-25 4 case outline: to-254z case outline: to-3 lead options db (down bend) ub (up bend) pin assignment (standard) package collector emitter base to-3 (/3) case pin 2 pin 3 to-254 (m) pin 1 pin 2 pin 3 to-254 (z) pin 1 pin 2 pin 3 a vailable part numbers: sft6678/3 sft6678m sft6678mdb sft6678mub sft6678z sft6678zdb sft6678zub
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