2N1257

Technical Characteristics

• Terminal Type And Quantity

  3 uninsulated wire lead

• Internal Configuration

  point contact

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.200 inches nominal

• Specification/Standard Data

  80131-release3187 professional/industrial association specification

• Power Rating Per Characteristic

  275.0 milliwatts small-signal input power, common-collector minimum

• Special Features

  junction pattern arrangement: pnp

• Overall Length

  0.260 inches maximum

• Current Rating Per Characteristic

  100.00 milliamperes source cutoff current maximum

• Voltage Rating In Volts Per Characteristic

  40.0 maximum breakdown voltage, collector-to-base, emitter open and 40.0 maximum breakdown voltage, collector-to-emitter, base open and 5.0 maximum breakdown voltage, emitter-to-base, collector open

• Features Provided

  hermetically sealed case

• Semiconductor Material

  silicon

• Terminal Length

  1.500 inches minimum

• Inclosure Material

  metal

• Overall Diameter

  0.275 inches minimum and 0.335 inches maximum