2N4921 thru 2N4923

http://onsemi.com

3

Characteristic

Symbol

Min

Max

Unit

OFF CHARACTERISTICS

Collector–Emitter Sustaining Voltage (3)

(IC = 0.1 Adc, IB = 0)

2N4921

2N4922

2N4923

VCEO(sus)

40

60

80

—

—

—

Vdc

Collector Cutoff Current

(VCE = 20 Vdc, IB = 0)

2N4921

(VCE = 30 Vdc, IB = 0)

2N4922

(VCE = 40 Vdc, IB = 0)

2N4923

ICEO

—

—

—

0.5

0.5

0.5

mAdc

Collector Cutoff Current

(VCE = Rated VCEO, VEB(off) = 1.5 Vdc)

(VCE = Rated VCEO, VEB(off) = 1.5 Vdc, TC = 125_C

ICEX

—

—

0.1

0.5

mAdc

Collector Cutoff Current

(VCB = Rated VCB, IE = 0)

ICBO

—

0.1

mAdc

Emitter Cutoff Current

(VEB = 5.0 Vdc, IC = 0)

IEBO

—

1.0

mAdc

ON CHARACTERISTICS

DC Current Gain (3)

(IC = 50 mAdc, VCE = 1.0 Vdc)

(IC = 500 mAdc, VCE = 1.0 Vdc)

(IC = 1.0 Adc, VCE = 1.0 Vdc)

hFE

40

30

10

—

150

—

—

Collector–Emitter Saturation Voltage (3)

(IC = 1.0 Adc, IB = 0.1 Adc)

VCE(sat)

—

0.6

Vdc

Base–Emitter Saturation Voltage (3)

(IC = 1.0 Adc, IB = 0.1 Adc)

VBE(sat)

—

1.3

Vdc

Base–Emitter On Voltage (3)

(IC = 1.0 Adc, VCE = 1.0 Vdc)

VBE(on)

—

1.3

Vdc

SMALL–SIGNAL CHARACTERISTICS

Current–Gain — Bandwidth Product (IC = 250 mAdc, VCE = 10 Vdc, f = 1.0 MHz)

fT

3.0

—

MHz

Output Capacitance (VCB = 10 Vdc, IE = 0, f = 100 kHz)

Cob

—

100

pF

Small–Signal Current Gain (IC = 250 mAdc, VCE = 10 Vdc, f = 1.0 kHz)

hfe

25

—

—

(3) Pulse Test: PW

≈ 300 µs, Duty Cycle ≈ 2.0%.

*Indicates JEDEC Registered Data.

Figure 2. Switching Time Equivalent Circuit

5.0

10

Figure 3. Turn–On Time

IC, COLLECTOR CURRENT (mA)

VCC = 30 V

IC/IB = 20

2.0

1.0

0.7

0.5

0.3

0.2

0.1

0.05

20 30

50 70 100

200

700 1000

VCC

SCOPE

RB

Cjd <<Ceb

-4.0 V

t1 ≤ 15 ns

100 < t2 ≤ 500 µs

t3 ≤ 15 ns

DUTY CYCLE ≈ 2.0%

Vin

RC

0.07

3.0

IC/IB = 10, UNLESS NOTED

VCC = 30 V

VCC = 60 V

VBE(off) = 2.0 V

VCC = 30 V

VBE(off) = 0

300

500

tr

td

t1

VBE(off)

APPROX 9.0 V

TURN-ON PULSE

t3

t2

Vin

APPROX

+11 V

Vin

TURN-OFF PULSE

APPROX

+11 V

RB and RC varied to

obtain desired

current levels

TJ = 25°C

TJ = 150°C

VCC = 60 V