2N638B

Technical Characteristics

• Current Rating Per Characteristic

  3.00 amperes source cutoff current blank

• Power Rating Per Characteristic

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

• Electrode Internally-Electrically Connected To Case

  collector

• 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

• Features Provided

  hermetically sealed case

• 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

  5.0 maximum collector to base voltage, dc

• Overall Length

  0.375 inches nominal