1

Motorola Small–Signal Transistors, FETs and Diodes Device Data

General Purpose Transistors

PNP Silicon

These transistors are designed for general purpose amplifier

applications. They are housed in the SOT–323/SC–70 which is

designed for low power surface mount applications.

MAXIMUM RATINGS

Rating

Symbol

BC856

BC857

BC858

Unit

Collector – Emitter Voltage

VCEO

–65

–45

–30

V

Collector – Base Voltage

VCBO

–80

–50

–30

V

Emitter – Base Voltage

VEBO

–5.0

–5.0

–5.0

V

Collector Current — Continuous

IC

–100

–100

–100

mAdc

THERMAL CHARACTERISTICS

Characteristic

Symbol

Max

Unit

Total Device Dissipation FR– 5 Board, (1)

TA = 25°C

PD

150

mW

Thermal Resistance, Junction to Ambient

RqJA

833

°C/W

Junction and Storage Temperature

TJ, Tstg

– 55 to +150

°C

DEVICE MARKING

BC856AWT1 = 3A; BC856BWT1 = 3B; BC857AWT1 = 3E; BC857BWT1 = 3F;

BC858AWT1 = 3J; BC858BWT1 = 3K; BC858CWT1 = 3L

Characteristic

Symbol

Min

Typ

Max

Unit

OFF CHARACTERISTICS

Collector – Emitter Breakdown Voltage

BC856 Series

(IC = –10 mA)

BC857 Series

BC858 Series

V(BR)CEO

–65

–45

–30

—

—

—

—

—

—

V

Collector – Emitter Breakdown Voltage

BC856 Series

(IC = –10 µA, VEB = 0)

BC857 Series

BC858 Series

V(BR)CES

–80

–50

–30

—

—

—

—

—

—

V

Collector – Base Breakdown Voltage

BC856 Series

(IC = –10 mA)

BC857 Series

BC858 Series

V(BR)CBO

–80

–50

–30

—

—

—

—

—

—

V

Emitter – Base Breakdown Voltage

BC856 Series

(IE = –1.0 mA)

BC857 Series

BC858 Series

V(BR)EBO

–5.0

–5.0

–5.0

—

—

—

—

—

—

V

Collector Cutoff Current (VCB = –30 V)

ICBO

—

—

—

—

–15

–4.0

nA

µA

1. FR–5 = 1.0 x 0.75 x 0.062 in

Thermal Clad is a registered trademark of the Bergquist Company.

Preferred devices are Motorola recommended choices for future use and best overall value.

Order this document

by BC856AWT1/D

MOTOROLA

SEMICONDUCTOR TECHNICAL DATA

BC856AWT1,BWT1

BC857AWT1,BWT1

BC858AWT1,BWT1,

CWT1

Motorola Preferred Devices

CASE 419–02, STYLE 3

SOT–323/SC–70

1

2

3

COLLECTOR

3

1

BASE

2

EMITTER