HEBST39.40(NPN)
GENERAL PURPOSE TRANSISTOR
REPLACEMENT TYPE : BST39.BST40
FEATURES
Low Current
High Voltage
SOT-89
(T = 25°C unless otherwise noted)
A
MAXIMUM RATINGS
1:BASE
2:COLLECTOR 3:EMITTER
Parameter
Symbol
VCBO
Value
400
Unit
V
MARKING:
BST39:AT1
BST40:AT2
BST39
BST40
BST39
Collector-Base Voltage
Collector-Emitter Voltage
300
350
VCEO
V
BST40
250
Emitter-Base Voltage
VEBO
IC
V
mA
mW
°C/W
°C
5
100
Collector Current-Continuous
Collector Power Dissipation
PC
500
Thermal Resistance From Junction to Ambient
Junction Temperature
RθJA
TJ
250
150
Storage Temperature
Tstg
-55~+150
°C
ELECTRICAL CHARACTERISTICS (T =25°C unless otherwise noted
)
A
Parameter
Symbol Test conditions
Min
400
300
350
250
5
Typ
Max
Unit
V
Collector-Base Breakdown Voltage
BST39
BST40
BST39
BST40
VCBO
IC=100uA,IE=0
IC=1mA,IB=0
Collector-Emitter Breakdown Voltage
VCEO
V
VEBO
ICBO
IEBO
hFE
IE=100uA,IC=0
VCB=300V,IE=0
VEB=5V,IC=0
Emitter-Base Breakdown Voltage
Collector Cut-off Current
Emitter Cut-off Current
V
20
nA
nA
100
VCE=10V,IC=20mA
IC=50mA,IB=4mA
DC Current Gain
40
Collector-Emitter Saturation Voltage
Transition Frequency
VCE
0.5
2
V
(sat)
fT
VCE=10V,IC=10mA, f=100MHz
VCB=10V, IE=0, f=1MHz
70
MHz
pF
Collector Output Capacitance
Cob
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E-mail:hkt@heketai.com
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