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  Datasheet File OCR Text:
 INCHANGE Semiconductor
isc Product Specification
isc Silicon PNP Power Transistor
BD638
DESCRIPTION *DC Current Gain : hFE = 40(Min.)@ IC= -25mA *Collector-Emitter Breakdown Voltage: V(BR)CEO= -80V(Min.) *Complement to Type BD637
APPLICATIONS *Designed for amplifier and switching applications.
ABSOLUTE MAXIMUM RATINGS(Ta=25)
SYMBOL VCBO VCEO VEBO IC ICM IB
B
PARAMETER Collector-Base Voltage
Collector-Emitter Voltage Emitter-Base Voltage
Collector Current-Continuous Collector Current-Peak Base Current-Continuous Collector Power Dissipation @ Ta=25
w w
scs .i w
VALUE -100 -80 -5 -2 -5 -0.3 2
UNIT V
.cn mi e
V V A A A
PC Collector Power Dissipation @ TC=25 TJ Tstg Junction Temperature Storage Temperature Range 30 150 -55~150
W

isc Websitewww.iscsemi.cn
INCHANGE Semiconductor
isc Product Specification
isc Silicon PNP Power Transistor
ELECTRICAL CHARACTERISTICS
TC=25 unless otherwise specified SYMBOL PARAMETER CONDITIONS MIN
BD638
MAX
UNIT
V(BR)CEO
Collector-Emitter Breakdown Voltage
IC= -30mA; IB= 0
-80
V
V(BR)CBO
Collector-Base Breakdown Voltage
IC= -0.1mA; IE= 0
-100
V
V(BR)EBO
Emitter-Base Breakdown Voltage
IE= -1mA; IC= 0
-5
V
VCE(sat)
Collector-Emitter Saturation Voltage
IC= -1A; IB= -0.1A
B
-0.6
V
VBE(on)
Base-Emitter On Voltage
IC= -1A; VCE= -2V
ICES
Collector Cutoff Current
hFE-1
DC Current Gain
hFE-2
DC Current Gain
w w
w.
sem isc
VCE= -100V; VBE= 0 IC= -25mA; VCE= -2V IC= -1A; VCE= -2V
.cn i
-1.3
V
-0.2
mA
40
25
isc Websitewww.iscsemi.cn
2


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