2N639B

Technical Characteristics

• Power Rating Per Characteristic

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

• Internal Configuration

  point contact

• Maximum Operating Temp Per Measurement Point

  100.0 deg celsius junction

• Special Features

  junction pattern arrangement: pnp

• Current Rating Per Characteristic

  0.50 amperes source cutoff current minimum and 5.00 amperes source cutoff current maximum

• Overall Diameter

  0.875 inches maximum

• Features Provided

  hermetically sealed case

• Overall Length

  0.450 inches maximum

• 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

• Specification/Standard Data

  80131-release2210 professional/industrial association specification

• Voltage Rating In Volts Per Characteristic

  80.0 maximum breakdown voltage, collector-to-emitter, base open