unisonic technologies co., ltd bu931 npn silicon transistor www.unisonic.com.tw 1 of 5 copyright ? 2013 unisonic technologies co., ltd qw-r214-012,e npn power darlington ? features * high operating junction temperature * high voltage ignition coil driver * very rugged bipolar technology ? internal schematic diagram to-3p 1 to-263 1 ? ordering information ordering number package pin assignment packing lead free halogen free 1 2 3 bu931l-t3p-t BU931G-T3P-T to-3p b c e tube bu931l-tq2-t bu931g-tq2-t to-263 b c e tube bu931l-tq2-r bu931g-tq2-r to-263 b c e tape reel (1) t: tube, r: tape reel (2) t3p: to-3p, tq2: to-263 (3) l: lead free, g: halogen free bu931l -t3p -t (1)packing type (2)package type (3)lead plating
bu931 npn silicon transistor unisonic technologies co., ltd 2 of 5 www.unisonic.com.tw qw-r214-012,e ? absolute maximum ratings (ta=25c) parameter symbol ratings unit collector-emitter voltage (v be =0) v ces 500 v collector-emitter voltage (i b =0) v ceo 400 v emitter-base voltage (i c =0) v ebo 5 v collector current i c 15 a collector peak current i cm 30 a base current i b 1 a base peak current i bm 5 a power dissipation (t c =25c) to-3p p d 135 w to-263 125 w junction temperature t j +200 c storage temperature t stg -65 ~ +200 c note: absolute maximum ratings are those values be yond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? thermal data parameter symbol rating unit junction to case to-3p jc 1.1 c/w to-263 1.2 c/w ? electrical characteristics parameter symbol test conditions min typ max unit collector cut-off current (i b =0) i ceo v ce = 450 v 100 a v ce =450v, t j =125c 0.5 ma emitter cut-off current (i c =0) i ebo v eb = 5v 20 ma collector-emitter saturati on voltage (note) v ce(sat) i c = 7a, i b =70ma 1.6 v i c = 8a, i b =100ma 1.8 v i c = 10a, i b =250ma 1.8 v base-emitter saturation voltage (note) v be(sat) i c = 7a, i b =70ma 2.2 v i c = 8a, i b =100ma 2.4 v i c = 10a, i b =250ma 2.5 v dc current gain h fe i c = 5a, v ce =10v 300 diode forward voltage v f i f = 10 a 2.5 v functional test v cc =24v, v clamp =400v l=7mh 8 a inductive load storage time / fall time t s t f v cc = 12v, v clamp =300v l=7mh i c =7a, i b =70ma v be =0, r be =47 ? 15 0.5 s s note: pulsed: puls e duration = 300 s, duty cycle 1.5 %
bu931 npn silicon transistor unisonic technologies co., ltd 3 of 5 www.unisonic.com.tw qw-r214-012,e ? test circuits driver and current limiting circuit 0.2 ? 100 ? 24v v z t.u.t 0.22f l=7mh 47 ? v in t.u.t v clamp 12v v d 7mh functional test circuit sw itching time test circuit
bu931 npn silicon transistor unisonic technologies co., ltd 4 of 5 www.unisonic.com.tw qw-r214-012,e ? typical characteristics 1 0 2 125c 46 collector current, i c (a) 1 2 3 collector-emitter saturation voltage, v ce(sat) (v) -40c 25c h fe =50 1 0 2 46 collector current, i c (a) 1 2 3 h fe =100 collector-emitter saturation voltage, v ce(sat) (v) 1 0 2 46 1 2 3 base-emitter saturation voltage, v be(sat) (v) h fe =100 1 0 2 46 collector current, i c (a) 1 2 3 h fe =50 collector current, i c (a) base-emitter satu ration voltage, v be(sat) (v) 10 -1 collector current, i c (a) 24 2468 10 2 4 6 8 10 2 2 4 6 dc current gain, h fe 68 1 8 25c v ce =2v collector emitter sa turation voltage vs. collector current collector emitter saturation voltage vs. collector current base emitter saturation voltage vs. collector current 125c -40c 25c 125c -40c 25c 125c -40c 25c base emitter satura tion voltage vs. collector current dc current gain vs. collector current
bu931 npn silicon transistor unisonic technologies co., ltd 5 of 5 www.unisonic.com.tw qw-r214-012,e utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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