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UNISONIC TECHNOLOGIES CO., LTD
BU941
NPN SILICON TRANSISTOR
NPN POWER DARLINGTON
HIGH VOLTAGE IGNITION
COIL DRIVER
FEATURES
* NPN Darlington
* Integrated antiparallel collector-emitter diode
APPLICATIONS
* High ruggedness electric ignitions
INTERNAL SCHEMATIC DIAGRAM
C
(2)
B (1)
(3)
E
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
BU941L-T3P-T
BU941G-T3P-T
BU941L-TA3-T
BU941G-TA3-T
BU941L-TQ2-T
BU941G-TQ2-T
BU941L-TQ2-R
BU941G-TQ2-R
Note: Pin assignment: E: Emitter B: Base
Package
TO-3P
TO-220
TO-263
TO-263
C: Collector
Pin Assignment
1 23
B CE
B CE
B CE
B CE
Packing
Tube
Tube
Tube
Tape Reel
MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
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BU941
TYPICAL CHARACTERISTICS(Cont.)
Safe Operating Area
4 Ic MAX PULSED
2
1018
6
4
Ic MAX
CONT
PULSE OPERATION *
10μs
100
μs
2
1008
6
4
2
10-18
6
4
2
10-2
100
1ms
10ms
* For single non
repelitive pulse
D.C.
2 4 68
2 4 68
2 4 68
101 102
Collector-Emitter Voltage, VCE (V)
NPN SILICON TRANSISTOR
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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