2N1991

Technical Characteristics

• Semiconductor Material

  silicon

• Terminal Length

  1.500 inches minimum

• Overall Length

  0.240 inches minimum and 0.260 inches maximum

• Voltage Rating In Volts Per Characteristic

  -30.0 maximum breakdown voltage, collector-to-base, emitter open and -20.0 maximum breakdown voltage, collector-to-emitter, base open and -5.0 maximum breakdown voltage, emitter-to-base, collector open

• Maximum Operating Temp Per Measurement Point

  150.0 deg celsius case

• Inclosure Material

  metal

• Overall Diameter

  0.305 inches minimum and 0.335 inches maximum

• Terminal Type And Quantity

  3 uninsulated wire lead

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.200 inches nominal

• Special Features

  junction pattern arrangement: pnp

• Internal Configuration

  junction contact

• Power Rating Per Characteristic

  2.0 watts small-signal input power, common-collector absolute