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BU941 Datasheet(PDF) 3 Page - Unisonic Technologies

Part No. BU941
Description  NPN POWER DARLINGTON HIGH VOLTAGE IGNITION COIL DRIVER
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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UTCBU941
NPN EPITAXIAL SILICON TRANSISTOR
UTC UNISONIC TECHNOLOGIES CO. LTD
3
QW-R203-025,A
FUNCTION TEST CIRCUIT
DRIVER AND
CURRENT
LIMITING
CIRCUIT
24V
Vz
100Ω
0.2Ω
0.22 μF
T.U.T.
L=7mH
INPUT
SIGNAL
0
0
0
0
BASE
CURRENT
COLLECTOR
CURRENT
COLLECTOR
EMITTER
VOLTAGE
16.6ms
11.6ms
24V
IB=0.3A
IC=8A
Vclamp
103
102
4
2
8
6
4
2
8
6
4
2
101
10-1
8
6
4
2
8
6
2
Collector Current, IC(A)
DC Current Gain
VCE=2V
125℃
-40℃
Tc=25℃
4
8
6
1
103
102
4
2
8
6
4
2
8
6
4
2
101
10-1
8
6
4
2
8
6
2
Collector Current, IC (A)
DC Current Gain
VCE=10V
125℃
-40℃
Tc=25℃
4
1
6
8
2.5
1.5
3.5
0
100
50
150
Base Current, IB (mA)
Collector-emitter Saturation Voltage
0.5
200
4.0
10A
8 6 4
1
2
1.2
1
0.8
0.6
0.4
0.2
1
8
6
4
2
10
Collctor-emitter Saturation Voltage
0
hFE=100
-40℃
125℃
Tc=25℃
Collector Current, Ic (mA)
1.4
12




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