BC557

更新时间： 2024-11-03 22:48:15

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描述
Small Signal Transistors (PNP)

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BC557 数据手册

BC556 THRU BC559

Small Signal Transistors (PNP)

TO-92

FEATURES

PNP Silicon Epitaxial Planar Transistors for

switching and AF amplifier applications.

.142 (3.6)

.181 (4.6)

♦

These transistors are subdivided into

three groups A, B and C according to

their current gain. The type BC556 is avail-

able in groups A and B, however, the types

BC557 and BC558 can be supplied in all three

groups. The BC559 is a low-noise type available

in all three groups. As complementary types, the

NPN transistors BC546 … BC549 are recommended.

.022 (0.55)

.098 (2.5)

max

♦

On special request, these transistors are also manufac-

tured in the pin configuration TO-18.

MECHANICAL DATA

Case: TO-92 Plastic Package

Weight: approx. 0.18 g

Dimensions in inches and (millimeters)

MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS

Ratings at

ambient temperature unless otherwise specified

25 °C

Symbol

Value

Unit

Collector-Base Voltage

Collector-Emitter Voltage

BC556

BC557

BC558, BC559

–V

CBO

BC556

BC557

BC558, BC559

–V

CES

BC556

BC557

BC558, BC559

–V

CEO

Emitter-Base Voltage

Collector Current

–V

EBO

–I

100

°C

Peak Collector Current

Peak Base Current

Peak Emitter Current

200

Power Dissipation at T

= 25 °C

tot

500¹⁾

150

amb

Junction Temperature

Storage Temperature Range

–65 to +150

°C

¹⁾Valid provided that leads are kept at ambient temperature at a distance of 2 mm from case.

4/98

12 3 4 5 6

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