BC307 BC307B BC307C BC308C

2

Motorola Small–Signal Transistors, FETs and Diodes Device Data

Characteristic

Symbol

Min

Typ

Max

Unit

ON CHARACTERISTICS

DC Current Gain

(IC = –10 µAdc, VCE = –5.0 Vdc)

BC307B

BC307C/308C

(IC = –2.0 mAdc, VCE = –5.0 Vdc)

BC307

BC307B/308B

BC307C/308C

(IC = –100 mAdc, VCE = –5.0 Vdc)

BC307B

BC307C/308C

hFE

—

—

120

200

420

—

—

150

270

—

290

500

180

300

—

—

800

460

800

—

—

—

Collector – Emitter Saturation Voltage

(IC = –10 mAdc, IB = –0.5 mAdc)

(IC = –10 mAdc, IB = see Note 1)

(IC = –100 mAdc, IB = –5.0 mAdc)

VCE(sat)

—

—

—

–0.10

–0.30

–0.25

–0.3

–0.6

—

Vdc

Base – Emitter Saturation Voltage

(IC = –10 mAdc, IB = –0.5 mAdc)

(IC = –100 mAdc, IB = –5.0 mAdc)

VBE(sat)

—

—

–0.7

–1.0

—

—

Vdc

Base–Emitter On Voltage

(IC = –2.0 mAdc, VCE = –5.0 Vdc)

VBE(on)

–0.55

–0.62

–0.7

Vdc

DYNAMIC CHARACTERISTICS

Current – Gain — Bandwidth Product

(IC = –10 mAdc, VCE = –5.0 Vdc, f = 100 MHz)

BC307,B,C

BC308C

fT

—

—

280

320

—

—

MHz

Common Base Capacitance

(VCB = –10 Vdc, IC = 0, f = 1.0 MHz)

Ccbo

—

—

6.0

pF

Noise Figure

(IC = –0.2 mAdc, VCE = –5.0 Vdc, RS = 2.0 kΩ,

f = 1.0 kHz)

BC307,B,C

(IC = –0.2 mAdc, VCE = –5.0 Vdc, RS = 2.0 kΩ,

f = 1.0 kHz, f = 200 Hz)

BC308C

NF

—

—

2.0

2.0

10

10

dB

1. IC = –10 mAdc on the constant base current characteristic, which yields the point IC = –11 mAdc, VCE = –1.0 V.