Electrical Characteristics (Ta = 25°C)
Characteristics
Collector cut-off current
Emitter cut-off current
Collector-emitter breakdown voltage
DC current gain
Collector-emitter saturation voltage
Base-emitter saturation voltage
Transition frequency
Collector output capacitance
Symbol
Test Condition
ICBO
IEBO
V (BR) CEO
hFE
VCE (sat)
VBE (sat)
fT
Cob
VCB = −80 V, IE = 0
VEB = −8 V, IC = 0
IC = −10 mA, IB =0
VCE = −2 V, IC = −1 A (pulse)
IC = −1 A, IB = −1 mA (pulse)
IC = −1 A, IB = −1 mA (pulse)
VCE = −2 V, IC = −0.5 A
VCB = −10 V, IE = 0, f = 1 MHz
2SB1457
Min
―
―
−100
2000
―
―
―
―
Typ.
―
―
―
―
―
―
50
27
Max
−10
−4
―
―
−1.5
−2.0
―
―
Unit
μA
mA
V
V
V
MHz
pF
Turn-on time
Switching time Storage time
Fall time
ton
20 μs
Input
Output
―
0.4
―
IB2
tstg
IB1
―
2.0
―
μs
VCC = −30 V
tf
−IB1 = IB2 = 1 mA, duty cycle ≤ 1%
―
0.4
―
Marking
B1457
Part No. (or abbreviation code)
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
2
2006-11-21