2N428A

Technical Characteristics

• Voltage Rating In Volts Per Characteristic

  18.0 maximum breakdown voltage, collector-to-emitter, base open and 30.0 maximum breakdown voltage, collector-to-base, emitter open and 20.0 maximum breakdown voltage, emitter-to-base, collector open

• Terminal Type And Quantity

  3 uninsulated wire lead

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.200 inches nominal

• Special Features

  junction pattern arrangement: pnp

• Overall Length

  0.260 inches maximum

• Overall Diameter

  0.370 inches maximum

• Internal Configuration

  junction contact

• Features Provided

  hermetically sealed case

• Specification/Standard Data

  80131-release3367 professional/industrial association specification

• Terminal Length

  1.500 inches minimum

• Power Rating Per Characteristic

  150.0 milliwatts small-signal input power, common-collector minimum

• Semiconductor Material

  germanium

• Current Rating Per Characteristic

  1.00 amperes source cutoff current maximum

• Inclosure Material

  metal