2N257

Technical Characteristics

• Current Rating Per Characteristic

  2.00 amperes source cutoff current minimum and 3.00 amperes source cutoff current maximum

• Electrode Internally-Electrically Connected To Case

  collector

• Specification/standard Data

  80131-release1743 professional/industrial association specification

• Maximum Operating Temp Per Measurement Point

  100.0 deg celsius junction

• Special Features

  junction pattern arrangement: pnp

• Overall Diameter

  0.875 inches maximum

• Internal Configuration

  junction contact

• Voltage Rating In Volts Per Characteristic

  40.0 maximum breakdown voltage, collector-to-base, emitter open and 35.0 maximum breakdown voltage, collector-to-emitter, base open and 10.0 maximum breakdown voltage, emitter-to-base, collector open

• Power Rating Per Characteristic

  45.0 watts small-signal input power, common-collector minimum

• Mounting Facility Quantity

  2

• Terminal Type And Quantity

  2 uninsulated wire lead and 1 case

• Mounting Method

  unthreaded hole

• Semiconductor Material

  germanium

• Inclosure Material

  metal

• Overall Length

  0.375 inches nominal