SMD Type
IC
Product specification
2SA1954
Electrical Characteristics Ta = 25
Parameter
Collector cut-off current
Emitter cut-off current
DC current gain
Symbol
ICBO
Testconditons
VCB = -15 V, IE = 0
Min
300
Typ
-15
Max
-0.1
-0.1
1000
-30
Unit
ìA
IEBO
VEB = -5 V, IC = 0
ìA
hFE
VCE = -2 V, IC = -10 mA
VCE (sat)(1) IC = -10 mA, IB = -0.5 mA
VCE (sat)(2) IC = -200 mA, IB = -10 mA
mV
mV
V
Collector-emitter saturation voltage
-110 -250
-0.87 -1.2
130
Base-emitter saturation voltage
Transition frequency
VBE (sat)
fT
IC = -200 mA, IB = -10 mA
VCE = -2 V, IC = -10 mA
80
MHz
pF
Collector output capacitance
Collector-emitter on resistance
Cob
VCB = -10V, IE = 0, f = 1 MHz
IB = -1mA , Vin = -1Vrms, f = 1KHz
4.2
Ron
0.9
Ù
Switching Turn-on time
Switching Storage time
Switching Fall time
ton
tstg
tf
40
280
45
ns
ns
ns
IB1 = -IB2 = 5mA
hFE Classification
Marking
hFE
GA
GB
300 600
500 1000
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TYSEMI [ TY Semiconductor Co., Ltd ]
