BF258

Technical Characteristics

• Overall Diameter

  0.350 inches minimum and 0.370 inches maximum

• Electrode Internally-Electrically Connected To Case

  collector

• Terminal Type And Quantity

  3 uninsulated wire lead

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.200 inches nominal

• Power Rating Per Characteristic

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

• Voltage Rating In Volts Per Characteristic

  250.0 maximum breakdown voltage, collector-to-emitter, base open and 250.0 maximum breakdown voltage, collector-to-base, emitter open and 5.0 maximum breakdown voltage, emitter-to-base, collector open

• Joint Electronic Device Engineering Council/Jedec/Case Outline Designation

  to-39

• Current Rating Per Characteristic

  100.00 milliamperes source cutoff current maximum

• Internal Configuration

  junction contact

• Special Features

  junction pattern arrangement: npn

• Features Provided

  hermetically sealed case

• Semiconductor Material

  silicon

• Overall Length

  0.240 inches minimum and 0.260 inches maximum

• Terminal Length

  0.500 inches minimum

• Maximum Operating Temp Per Measurement Point

  200.0 deg celsius junction

• Inclosure Material

  metal