2N4449

Technical Characteristics

• Electrode Internally-Electrically Connected To Case

  collector

• Specification/Standard Data

  81349-mil-s-19500/317 government specification

• Terminal Type And Quantity

  3 uninsulated wire lead

• Mounting Method

  terminal

• Overall Diameter

  0.209 inches minimum and 0.230 inches maximum

• Overall Length

  0.065 inches minimum and 0.085 inches maximum

• Power Rating Per Characteristic

  300.0 milliwatts small-signal input power, common-collector preset

• Internal Configuration

  junction contact

• Special Features

  junction pattern arrangement: npn

• Features Provided

  hermetically sealed case

• Terminal Length

  0.500 inches minimum and 0.750 inches maximum

• Semiconductor Material

  silicon

• Maximum Operating Temp Per Measurement Point

  200.0 deg celsius junction

• Inclosure Material

  metal

• Terminal Circle Diameter

  0.100 inches nominal

• Test Data Document

  81349-mil-s-19500 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• Voltage Rating In Volts Per Characteristic

  40.0 maximum collector to emitter voltage, dc with base short-circuited to emitter and 15.0 maximum collector to emitter voltage/static/base open and 40.0 maximum collector to base voltage/static/emitter open and 4.5 maximum emitter to base voltage,

• ~1

  static, collector open

• ~1

  data on certain environmental and performanc