2N2857

Technical Characteristics

• Voltage Rating In Volts Per Characteristic

  30.0 maximum collector to base voltage, dc and 18.0 maximum collector to emitter voltage/static/base open and 4.0 maximum emitter to base voltage, dc

• Terminal Length

  0.500 inches minimum

• Power Rating Per Characteristic

  200.0 milliwatts small-signal input power, common-collector absolute

• Current Rating Per Characteristic

  50.00 milliamperes source cutoff current maximum

• Maximum Operating Temp Per Measurement Point

  200.0 deg celsius junction

• Overall Diameter

  0.220 inches minimum and 0.240 inches maximum

• Inclosure Material

  metal

• Terminal Type And Quantity

  4 uninsulated wire lead

• Overall Length

  0.170 inches minimum and 0.210 inches maximum

• Terminal Circle Diameter

  0.100 inches nominal

• Mounting Method

  terminal

• Internal Configuration

  junction contact

• Special Features

  junction pattern arrangement: npn

• Features Provided

  hermetically sealed case

• Semiconductor Material

  silicon