bu941zt/BU941ZTFI bu941zsm high voltage ignition coil driver npn power darlington preliminary data very rugged bipolar technology built in clamping zener high operating junction temperature wide range of packages power package specically designed for surface mouting (power so-10 ? ) applications high ruggedness electronic ignitions dicember 1993 absolute maximum ratings symbol parameter value unit bu941zt BU941ZTFI bu941zsm v ceo collector-emitter voltage (i b =0) 350 v v ebo emitter-base voltage (i c =0) 5 v i c collector current 15 a i cm collector peak current 30 a i b base current 1 a i bm base peak current 5 a p tot total dissipation at t c =25 o c 150 55 150 w t stg storage temperature -65 to 175 -65 to 150 -65 to 175 o c t j max. operating junction temperature 175 150 175 o c internal schematic diagram 1 2 3 to-220 isowatt220 1 2 3 1 10 power so-10 ? for power so-10 emitter: pins 1 - 5 base: pins 6 - 10 collector: tab 1/8
thermal data to-220 isowatt220 powerso-10 r thj-case thermal resistance junction-case max 1 2.7 1 o c/w electrical characteristics (t case =25 o c unless otherwise specified) symbol parameter test conditions min. typ. max. unit i ceo collector cut-off current (i b =0) v ce = 300 v v ce = 300 v t j = 125 o c 100 0.5 a ma i ebo emitter cut-off current (i c =0) v eb =5v 20 ma v cl ? clamping voltage i c = 100 ma 350 500 v v ce(sat) ? collector-emitter saturation voltage i c =8a i b =100ma i c =10a i b =250ma 1.8 1.8 v v v be(sat) ? base-emitter saturation voltage i c =8a i b =100ma i c =10a i b =250ma 2.2 2.5 v v h fe ? dc current gain i c =5a v ce = 10 v 300 v f diode forward voltage i f =10a 2.5 v functional test (see fig. 1) v cc =24v l=7mh 10 a t s t f inductive load storage time fall time (see fig. 3) v cc =12v l=7mh v clamp =300v i c =7a i b =70ma v be =0 r be =47 ? 15 0.5 s s ? pulsed: pulse duration = 300 s, duty cycle 1.5 % safe operating areas dc current gain bu941zt/BU941ZTFI/bu941zsm 2/8
dc current gain collector-emitter saturation voltage collector-emitter saturation voltage base-emitter saturation voltage base-emitter saturation voltage collector-emitter saturation voltage bu941zt/BU941ZTFI/bu941zsm 3/8
figure 1: functional test circuit figure 2: functional test waveform figure 3: switching time test circuit bu941zt/BU941ZTFI/bu941zsm 4/8
dim. mm inch min. typ. max. min. typ. max. a 4.40 4.60 0.173 0.181 c 1.23 1.32 0.048 0.051 d 2.40 2.72 0.094 0.107 d1 1.27 0.050 e 0.49 0.70 0.019 0.027 f 0.61 0.88 0.024 0.034 f1 1.14 1.70 0.044 0.067 f2 1.14 1.70 0.044 0.067 g 4.95 5.15 0.194 0.203 g1 2.4 2.7 0.094 0.106 h2 10.0 10.40 0.393 0.409 l2 16.4 0.645 l4 13.0 14.0 0.511 0.551 l5 2.65 2.95 0.104 0.116 l6 15.25 15.75 0.600 0.620 l7 6.2 6.6 0.244 0.260 l9 3.5 3.93 0.137 0.154 dia. 3.75 3.85 0.147 0.151 l6 a c d e d1 f g l7 l2 dia. f1 l5 l4 h2 l9 f2 g1 to-220 mechanical data p011c bu941zt/BU941ZTFI/bu941zsm 5/8
dim. mm inch min. typ. max. min. typ. max. a 4.4 4.6 0.173 0.181 b 2.5 2.7 0.098 0.106 d 2.5 2.75 0.098 0.108 e 0.4 0.7 0.015 0.027 f 0.75 1 0.030 0.039 f1 1.15 1.7 0.045 0.067 f2 1.15 1.7 0.045 0.067 g 4.95 5.2 0.195 0.204 g1 2.4 2.7 0.094 0.106 h 10 10.4 0.393 0.409 l2 16 0.630 l3 28.6 30.6 1.126 1.204 l4 9.8 10.6 0.385 0.417 l6 15.9 16.4 0.626 0.645 l7 9 9.3 0.354 0.366 ? 3 3.2 0.118 0.126 l2 a b d e h g l6 ? f l3 g1 123 f2 f1 l7 l4 isowatt220 mechanical data p011g bu941zt/BU941ZTFI/bu941zsm 6/8
dim. mm inch min. typ. max. min. typ. max. a 3.45 3.5 3.55 0.135 0.137 0.140 b 1.28 1.30 0.050 0.051 c 0.15 0.006 d 9.40 9.50 9.60 0.370 0.374 0.378 e 4.98 5.08 5.48 0.196 0.200 0.216 e1 0.40 0.45 0.60 0.016 0.018 0.024 e2 1.17 1.27 1.37 0.046 0.050 0.054 f 9.30 9.40 9.50 0.366 0.370 0.374 f1 7.95 8.00 8.15 0.313 0.315 0.321 g 7.40 7.50 7.60 0.291 0.295 0.299 h 6.80 6.90 7.00 0.267 0.417 0.421 i 0.10 0.004 k 13.80 14.10 14.40 0.543 0.555 0.567 l 0.40 0.50 0.016 0.020 m 1.60 1.67 1.80 0.063 0.066 0.071 n 0.60 0.08 1.00 0.024 0.031 0.039 0.08 mm. 0.003 in a 1 g e2 = e = e1 d b m k l h i n c 1 10 5 6 = f = = f1 = power so-10 mechanical data bu941zt/BU941ZTFI/bu941zsm 7/8
information furnished is believed to be accurate and reliable. however, sgs-thomson microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. no license is granted by implication or otherwise under any patent or patent rights of sgs-thomson microelectronics. specifications mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. sgs-thomson microelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of sgs-thomson microelectonics. ? 1994 sgs-thomson microelectronics - all rights reserved sgs-thomson microelectronics group of companies australia - brazil - france - germany - hong kong - italy - japan - korea - malaysia - malta - morocco - the netherlands - singapore - spain - sweden - switzerland - taiwan - thailand - united kingdom - u.s.a bu941zt/BU941ZTFI/bu941zsm 8/8
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