2N5087

http://onsemi.com

2

Characteristic

Symbol

Min

Max

Unit

ON CHARACTERISTICS

DC Current Gain

(IC = 100 µAdc, VCE = 5.0 Vdc)

(IC = 1.0 mAdc, VCE = 5.0 Vdc)

(IC = 10 mAdc, VCE = 5.0 Vdc)(1)

hFE

250

250

250

800

—

—

—

Collector–Emitter Saturation Voltage

(IC = 10 mAdc, IB = 1.0 mAdc)

VCE(sat)

—

0.3

Vdc

Base–Emitter On Voltage

(IC = 1.0 mAdc, VCE = 5.0 Vdc)

VBE(on)

—

0.85

Vdc

SMALL–SIGNAL CHARACTERISTICS

Current–Gain — Bandwidth Product

(IC = 500 µAdc, VCE = 5.0 Vdc, f = 20 MHz)

fT

40

—

MHz

Collector–Base Capacitance

(VCB = 5.0 Vdc, IE = 0, f = 1.0 MHz)

Ccb

—

4.0

pF

Small–Signal Current Gain

(IC = 1.0 mAdc, VCE = 5.0 Vdc, f = 1.0 kHz)

hfe

250

900

—

Noise Figure

(IC = 20 µAdc, VCE = 5.0 Vdc, RS = 1.0 kΩ, f = 1.0 kHz)

(IC = 100 µAdc, VCE = 5.0 Vdc, RS = 3.0 kΩ, f = 1.0 kHz)

NF

—

—

2.0

2.0

dB

1. Pulse Test: Pulse Width

≤ 300 ms, Duty Cycle ≤ 2.0%.

TYPICAL NOISE CHARACTERISTICS

(VCE = –5.0 Vdc, TA = 25°C)

Figure 1. Noise Voltage

f, FREQUENCY (Hz)

5.0

7.0

10

3.0

Figure 2. Noise Current

f, FREQUENCY (Hz)

1.0

10

20

50 100

200

500 1.0k 2.0k

5.0k 10k

1.0

7.0

5.0

3.0

2.0

1.0

0.7

0.5

0.3

0.1

BANDWIDTH = 1.0 Hz

RS ≈ 0

IC = 10 µA

100 µA

30 µA

BANDWIDTH = 1.0 Hz

RS ≈∞

IC = 1.0 mA

300 µA

100 µA

30 µA

10 µA

10

20

50

100 200

500

1.0k 2.0k

5.0k 10k

2.0 1.0 mA

0.2

300 µA