PNP

Transistor

General Purpose

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Page <2>

02/11/22

V1.1

Maximum Ratings and Characteristics : Tamb = 25°C unless otherwise specified

Ratings and Characteristic Curves

BC857A : VCE = - 5V

(1) Tamb = 150°C

(2) Tamb = 25°C

(3) Tamb = -55°C

DC Current Gain as a Function of Collector

Current; Typical Values

BC857A : VCE = -5 V

(1) Tamb = -55°C

(2) Tamb = 25°C

(3) Tamb = 150°C

Base-Emitter Voltage as a Function of

Collector Current; Typical Values

BC857A : IC / IB = 20

(1) Tamb = 150°C

(2) Tamb = 25°C

(3) Tamb = -55°C

Collector-Emitter Saturation Voltage as a Function

of Collector Current; Typical Values

BC857A : IC / IB = 20

(1) Tamb = -55°C

(2) Tamb = 25°C

(3) Tamb = 150°C

Base-Emitter Voltage as a Function of

Collector Current; Typical Values

BC857B : VCE = -5V

(1) Tamb = 150°C

(2) Tamb = 25°C

(3) Tamb = -55°C

DC Current Gain as a Function of Collector

Current; Typical Values

BC857B : VCE = -5V

(1) Tamb = -55°C

(2) Tamb = 25°C

(3) Tamb = 150°C

Base-Emitter Voltage as a Function of

Collector Current; Typical Values

Parameter

Symbol

Test Conditions

VCB = -10V, IE = IE = 0

f = 1MHz

IC = -200µA, VCE = -5V,

RS

=2kΩ f = 1kHz,

B = 200Hz

VCE = -10 IC = -50,

f = 20 MH

Min.

Typ.

Max.

Unit

Collector Capacitance

CC

-

4.5

-

pF

Transition Frequency

F

-

2

10

dB

Transition Frequency

fT

100

-

-

MHz