2N2946
Silicon PNP Transisto
Data Sheet
Rev. 4.0 333 McCormick Avenue, Costa Mesa, California 92626 714.979.1900, FAX 714.557.4541 Page 2 of 2
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ELECTRICAL CHARACTERISTICS characteristics specified at TA = 25°C
Off Characteristics
Parameter Symbol Test Conditions Min Typ Max Units
Collector-Emitter Breakdown Voltage V(BR)CEO IC = 10 µA 35 Volts
Emitter-Collector Breakdown Voltag e V(BR)ECO IE = 10 µA, IB = 0 A 35 Volts
Collector-Base Cutoff Current ICBO1
ICBO2
ICBO3
VCB = 40 Volts
VCB = 32 Volts
VCB = 40 Volts, TA = 100°C
10
0.5
2.5
µA
nA
nA
Emitter-Base Cutoff Current IEBO1
IEBO2
IEBO3
VEB = 40 Volts
VEB = 32 Volts
VEB = 40 Volts, TA = 100°C
10
0.5
2.0
µA
nA
nA
On Characteristics Pulse Test: Pulse Width = 300 µs, Duty Cycle ≤ 2.0%
Parameter Symbol Test Conditions Min Typ Max Units
Forwar d Current tran sfer ratio hFE1
hFE2
IC = 1.0 mA, VCE = 0.5 Volts
IC = 1.0 mA, VCE = 0.5 Volts,
TA = -55°C
50
20
Forward Current transfer ratio (inverted
connection)
hFE(inv)1
hFE(inv)2
IE = 200 µA, VEC = 0.5 Volts
IE = 200 µA, VEC = 0.5 Volts,
TA = -55°C
20
10
Emitter-Collector Offset Voltage VEC(ofs)1
VEC(ofs)2
VEC(ofs)3
IE = 0 A, IB = 200 µA
IE = 0 A, IB = 1.0 mA
IE = 0 A, IB = 2.0 mA
0.8
2.0
2.5 mVolts
Dynamic Characteristics
Parameter Symbol Test Conditions Min Typ Max Units
Magnitude of Common-Emitter Small-
Signal Short-Circuit Forward-Current
Transfer Ratio |hFE| VCE = 6 Volts, IC = 1.0 mA,
f = 1 MHz 5 55
Open Circuit Output Capacitance COBO VCB = 6 Volts, IE = 0 mA,
100 kHZ < f < 1 MHz 10 pF
Open Circuit Inpu t Capacitance CIBO VEB = 6 Volts, IC = 0 mA,
100 kHZ < f < 1 MHz 6.0 pF
Small Signal Emitter-Collector On-
State Resistance rec(ON)1
IB = 100 µA, IE = 0 A,
Ie = 100 µA ac (rms)
f = 1 kHz 14
Ω
Small Signal Emitter-Collector On-
State Resistance rec(ON)2
IB = 1.0 mA, IE = 0 A,
Ie = 100 µA ac (rms)
f = 1 kHz 8
Ω
Switching Characteristics
Parameter Symbol Test Conditions Min Typ Max Units
Delay Time td 50 ns
Rise Time tr 100 ns
Storage Time ts 350 ns
Fall Time tf 100 ns
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