2N3904 Transistor

The 2N3904 transistor is an extremely popular NPN transistor that can be used as a simple electronic switch or amplifier.

Technical Specification

Collector-Emitter Breakdown Voltage: 40V

Collector-Base Breakdown Voltage: 60V

Emitter-Base Breakdown Voltage: 6.0V

Base Cut-off Current: 50nA

Collector Cut-off Current: 50nA

DC Current Gain: 100

Collector-Emitter saturation Voltage: 0.3VDC

Base-Emitter Saturation Voltage: 0.95VDC

Pinout

Base: Pin 1

Emitter: Pin 2

Collector: TAB

Application

Transistor are designed for high switching applications and feature current gain over a wide range of collector current and low leakage current.

Linear amplification and switching.