© Semiconductor Components Industries, LLC, 2007

March, 2007 − Rev. 3

1

Publication Order Number:

BC556B/D

BC556B, BC557A, B, C,

BC558B

Amplifier Transistors

PNP Silicon

Features

• Pb−Free Packages are Available*

MAXIMUM RATINGS

Rating

Symbol

Value

Unit

Collector - Emitter Voltage

BC556

BC557

BC558

VCEO

−65

−45

−30

Vdc

Collector - Base Voltage

BC556

BC557

BC558

VCBO

−80

−50

−30

Vdc

Emitter - Base Voltage

VEBO

−5.0

Vdc

Collector Current − Continuous

Collector Current − Peak

IC

ICM

−100

−200

mAdc

Base Current − Peak

IBM

−200

mAdc

Total Device Dissipation @ TA = 25°C

Derate above 25

°C

PD

625

5.0

mW

mW/

°C

Total Device Dissipation @ TC = 25°C

Derate above 25

°C

PD

1.5

12

W

mW/

°C

Operating and Storage Junction

Temperature Range

TJ, Tstg

−55 to +150

°C

THERMAL CHARACTERISTICS

Characteristic

Symbol

Max

Unit

Thermal Resistance, Junction−to−Ambient

RqJA

200

°C/W

Thermal Resistance, Junction−to−Case

RqJC

83.3

°C/W

Stresses exceeding Maximum Ratings may damage the device. Maximum

Ratings are stress ratings only. Functional operation above the Recommended

Operating Conditions is not implied. Extended exposure to stresses above the

Recommended Operating Conditions may affect device reliability.

*For additional information on our Pb−Free strategy and soldering details, please

download the ON Semiconductor Soldering and Mounting Techniques

Reference Manual, SOLDERRM/D.

http://onsemi.com

COLLECTOR

1

2

BASE

3

EMITTER

See detailed ordering and shipping information in the package

dimensions section on page 6 of this data sheet.

ORDERING INFORMATION

1 2

3

1

2

BENT LEAD

TAPE & REEL

AMMO PACK

STRAIGHT LEAD

BULK PACK

3

TO−92

CASE 29

STYLE 17

MARKING DIAGRAM

BC

55xx

AYWW

G

G

xx

= 6B, 7A, 7B, 7C, or 8B

A

= Assembly Location

Y

= Year

WW

= Work Week

G

= Pb−Free Package

(Note: Microdot may be in either location)