2N491

Technical Characteristics

• ~1

  data on certain environmental and performanc

• 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

• Semiconductor Material

  silicon

• Terminal Length

  1.500 inches minimum

• Specification/Standard Data

  81349-mil-s-19500/75 government specification

• Power Rating Per Characteristic

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

• Internal Junction Configuration

  pn

• Inclosure Material

  metal

• Maximum Operating Temp Per Measurement Point

  175.0 deg celsius junction

• Overall Diameter

  0.359 inches nominal

• Overall Length

  0.250 inches nominal

• Current Rating Per Characteristic

  70.00 milliamperes source cutoff current blank

• Electrode Internally-Electrically Connected To Case

  collector

• Terminal Type And Quantity

  3 uninsulated wire lead

• Mounting Method

  terminal

• Terminal Circle Diameter

  0.200 inches nominal

• Voltage Rating In Volts Per Characteristic

  60.0 maximum emitter to base voltage, dc

• Internal Configuration

  unijunction

• Features Provided

  hermetically sealed case