Electrical Characteristics (Tc = 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
Emitter-collector forward voltage
Symbol
Test Condition
ICBO
IEBO
V (BR) CEO
hFE (1)
hFE (2)
VCE (sat)
VBE (sat)
VECF
VCB = 100 V, IE = 0
VEB = 8 V, IC = 0
IC = 10 mA, IB = 0
VCE = 2 V, IC = 1 A
VCE = 2 V, IC = 2 A
IC = 1.5 A, IB = 1.5 mA
IC = 1.5 A, IB = 1.5 mA
IE = 1 A, IB = 0
2SD2257
Min Typ. Max Unit
―
―
0.8
―
100 ―
2000 ―
2000 ―
―
―
―
―
―
―
10
μA
4.0 mA
―
V
―
―
1.5
V
2.0
V
2.0
V
Turn-on time
Switching time Storage time
ton
Output
―
0.5
―
20 μs
IB1
Input
tstg
IB2
―
2.0
―
μs
Fall time
VCC ≈ 30 V
tf
―
0.5
―
IB1 = −IB2 = 1.5 mA, duty cycle ≤ 1%
Marking
D2257
Part No. (or abbreviation code)
Lot No.
A line indicates
lead (Pb)-free package or
lead (Pb)-free finish.
2
2006-11-21