2N4957

Technical Characteristics

• 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

• ~1

  data on certain environmental and performanc

• Terminal Length

  0.500 inches minimum and 0.750 inches maximum

• Voltage Rating In Volts Per Characteristic

  30.0 maximum collector to emitter voltage/static/base open and 30.0 maximum collector to base voltage/static/emitter open and 3.0 maximum emitter to base voltage, static, collector open

• Internal Configuration

  junction contact

• Current Rating Per Characteristic

  30.00 milliamperes source cutoff current maximum

• Special Features

  junction pattern arrangement: pnp

• Overall Diameter

  0.209 inches minimum and 0.230 inches maximum

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.100 inches nominal

• Overall Length

  0.170 inches minimum and 0.210 inches maximum

• Terminal Type And Quantity

  4 uninsulated wire lead

• Inclosure Material

  metal

• Precious Material And Location

  terminal surface option gold

• Specification/Standard Data

  81349-mil-s-19500/426 government specification

• Maximum Operating Temp Per Measurement Point

  200.0 deg celsius junction

• Semiconductor Material

  silicon

• Power Rating Per Characteristic

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