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| BU941 Datasheet, PDF (2/5 Pages) STMicroelectronics – HIGH VOLTAGE IGNITION COIL DRIVER NPN POWER DARLINGTON | |||
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SEMICONDUCTOR
BU941 Series RRooHHSS
Nell High Power Products
THERMAL RESISTANCE
SYMBOL
PARAMETER
Rth(j-c)
Thermal resistance, junction to case
TO-220AB
TO-3P(B)
Min.
Typ.
Max.
1.00
0.97
UNIT
ºC/W
ELECTRICAL CHARACTERISTICS (TC = 25°C unless otherwise specified)
SYMBOL PARAMETER
TEST CONDITIONS
ICES
Collector cut-off current
lCEO
Collector cut-off current
VBE=0, VCE=500V
VBE=0, VCE=500V, Tj=125°C
IB=0, VCE=450V
IB=0, VCE=450V, Tj= 125°C
IEBO
Emitter cut-off current
IC=0, VEB=5V
Min.
Typ.
Max.
100
0.5
100
0.5
20
VCEO(SUS)*
Collector to emitter sustaining voltage
IB=0, IC=100mA, L=10mH,
Vclamp=400V
400
VCE(sat)*
VBE(sat)*
hFE
VF
IC=8A, IB=100mA
Collector to emitter saturation voltage IC=10A, IB=250mA
IC=12A, IB=300mA
IC=8A, IB=100mA
Base to emitter saturation voltage
IC=10A, IB=250mA
IC=12A, IB=300mA
DC current gain
IC= 5A, VCE= 10V
Diode forward voltage
IF=10A
1.6
1.8
2
2.2
2.5
2.7
300
2.5
Functional test
VCC=24V, L=7mH, Vclamp=400V
10
(see functional test circuit)
tf
Fall time
ts
Srorage time
VCC=12V, Vclamp=300V, VBE=0,
15
RBE=47â¦, L=7mH, IC=7A, IB=70mA
0.5
*Pulsed: Pulse duration= 300μs, duty cycle= 1.5%.
UNIT
μA
mA
μA
mA
mA
V
V
A
μS
ORDERING INFORMATION SCHEME
Darlington series
BU941 Type, 15A / 400V
Package type
A = TO-220AB
B = TO-3P(B)
BU941
A
www.nellsemi.com
Page 2 of 5
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