2N657

Technical Characteristics

• Power Rating Per Characteristic

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

• Joint Electronic Device Engineering Council/jedec/case Outline Designation

  to-5

• Semiconductor Material

  silicon

• Terminal Length

  1.500 inches minimum

• Current Rating Per Characteristic

  200.00 milliamperes all primaries maximum

• Maximum Operating Temp Per Measurement Point

  200.0 deg celsius junction

• Transfer Ratio

  90.0 maximum static forward current transfer ratio, common-emitter

• Inclosure Material

  metal

• Terminal Type And Quantity

  3 uninsulated wire lead

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.200 inches nominal

• Overall Diameter

  0.370 inches maximum

• Internal Configuration

  junction contact

• Features Provided

  hermetically sealed case

• Overall Length

  0.260 inches maximum

• Voltage Rating In Volts Per Characteristic

  8.0 maximum breakdown voltage, emitter-to-base, collector open and 100.0 maximum breakdown voltage, collector-to-base, emitter open and 100.0 maximum breakdown voltage, collector-to-emitter, base open

• Internal Junction Configuration

  npn