2N491

Technical Characteristics

• Inclosure Material

  metal

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.200 inches nominal

• Features Provided

  hermetically sealed case

• Semiconductor Material

  silicon

• Current Rating Per Characteristic

  70.00 milliamperes maximum emitter current, rms value of alternation component

• Power Rating Per Characteristic

  600.0 milliwatts maximum total power dissipation

• Terminal Type And Quantity

  3 uninsulated wire lead

• Overall Length

  0.260 inches maximum

• Terminal Length

  1.500 inches minimum

• Overall Diameter

  0.370 inches maximum

• Internal Configuration

  unijunction

• Voltage Rating In Volts Per Characteristic

  60.0 maximum emitter supply voltage

• Maximum Operating Temp Per Measurement Point

  175.0 deg celsius ambient air