BC557B
General Purpose Transistors
Features:
• PNP Silicon Planar Epitaxial Transistors.
• Especially Suited For use in Driver Stages of Audio Amplifiers, Low Noise Input
Stages of Tape Recorders, HI-FI Amplifiers, Signal Processing Circuits of Television
Receivers. TO-92 Plastic Package Dimensions Minimum Maximum A 4.32 5.33 B 4.45 5.20 C 3.18 4.19 D 0.41 0.55 E 0.35 0.50 F
G
H
K 5°
1.40 1.14 1.53 12.70 Dimensions : Millimetres Pin Configuration:
1. Emitter
2. Base
3. Collector Page 13/05/08 V1.1 BC557B
General Purpose Transistors
Absolute Maximum Ratings
Parameters Symbol Rating Collector-Emitter Voltage VCEO 45 Collector-Emitter Voltage VCES Collector-Base Voltage VCBO Emitter-Base Voltage VEBO 5.0 Collector Current Continuous Peak IC
ICM 100
200 Base Current Peak IBM Emitter Current Peak IEM Power Dissipation at Ta = 25°C
Derate above 25°C PTA 500
4.0 Storage Temperature Tstg -65 to +150 Junction Temperature Tj 150 Rth (j-a) 250 Unit 50 V mA
200
mW …
