BC549-B NPN Type Direct Plug Crystal Transistor

The BC557-B is a PNP-type general-purpose transistor designed for low-current, medium-voltage applications.It is commonly used for switching and small-signal amplification in electronic circuits.With a collector current (Ic) of -100mA and a collector-emitter voltage (Vce) of -45V, it offers reliable performance.This transistor features low noise characteristics, making it suitable for audio and signal processing circuits.Its direct plug crystal package (TO-92) ensures easy handling and PCB mounting.The BC557-B provides excellent gain stability (hFE range 200–450), ensuring consistent and efficient operation.

Features:

• NPN Silicon Planar Epitaxial Transistor
• Collector–Emitter Voltage (Vceo) up to 45V
• Low Noise Figure
• High DC Current Gain (hFE) range from 200 to 450
• Maximum Collector Current (Ic) of 100 mA
• Compact TO-92 package

Package Includes:

1 x BC549-B NPN Type Direct Plug Crystal Transistor