2N2157

Technical Characteristics

• Mounting Method

  threaded stud

• Electrode Internally-Electrically Connected To Case

  collector

• Mounting Facility Quantity

  1

• Nominal Thread Size

  0.190 inches

• Thread Series Designator

  unf

• Terminal Type And Quantity

  2 tab, solder lug and 1 threaded stud

• End Item Identification

  aircraft, hercules c-130

• Special Features

  junction pattern arrangement: pnp

• Internal Configuration

  junction contact

• Maximum Operating Temp Per Measurement Point

  125.0 deg celsius junction

• Overall Length

  0.360 inches maximum

• Features Provided

  hermetically sealed case

• Semiconductor Material

  silicon

• Specification/Standard Data

  80131-release3481 professional/industrial association specification

• Voltage Rating In Volts Per Characteristic

  60.0 maximum breakdown voltage, collector-to-base, emitter open and 30.0 maximum breakdown voltage, emitter-to-base, collector open and 45.0 maximum breakdown voltage, collector-to-emitter, base open

• Power Rating Per Characteristic

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

• Overall Diameter

  1.250 inches maximum

• Inclosure Material

  metal

• Current Rating Per Characteristic

  30.00 amperes source cutoff current maximum and 30.00 amperes source cutoff current minimum