2N494A

Technical Characteristics

• Inclosure Material

  metal

• Maximum Operating Temp Per Measurement Point

  175.0 deg celsius junction

• Specification/Standard Data

  81349-mil-s-19500/75 government specification

• Overall Length

  0.240 inches minimum and 0.260 inches maximum

• Terminal Length

  1.500 inches minimum

• Semiconductor Material

  silicon

• Features Provided

  hermetically sealed case

• Precious Material And Location

  terminal surfaces gold

• Precious Material

  gold

• Internal Configuration

  unijunction

• Overall Diameter

  0.335 inches minimum and 0.370 inches maximum

• Voltage Rating In Volts Per Characteristic

  60.0 maximum emitter to base voltage, dc

• Terminal Circle Diameter

  0.200 inches nominal

• Mounting Method

  terminal

• Terminal Type And Quantity

  3 uninsulated wire lead

• Current Rating Per Characteristic

  70.00 milliamperes repetitive peak forward current megahertz and 2.00 microamperes repetitive peak forward current nanoamperes

• Special Features

  junction pattern arrangement: pn

• Test Data Document

  81349-mil-s-19500 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type

• Power Rating Per Characteristic

  600.0 milliwatts small-signal input power, common-collector preset

• ~1

  data on certain environmental and performanc