1N1821C

Technical Characteristics

• Maximum Operating Temp Per Measurement Point

  150.0 deg celsius ambient air

• Mounting Method

  threaded stud

• Mounting Facility Quantity

  1

• Nominal Thread Size

  0.190 inches

• Thread Series Designator

  unf

• Function For Which Designed

  zener diode

• Current Rating Per Characteristic

  250.00 milliamperes all primaries horsepower metric

• Overall Width Across Flats

  0.437 inches nominal

• Power Rating Per Characteristic

  10.0 watts small-signal input power, common-collector absolute

• Terminal Type And Quantity

  1 threaded stud and 1 tab, solder lug

• Features Provided

  hermetically sealed case

• Semiconductor Material

  silicon

• Voltage Tolerance In Percent

  -10.0/+10.0

• Inclosure Material

  glass and metal

• Overall Diameter

  0.280 inches nominal

• Voltage Rating In Volts Per Characteristic

  22.0 nominal nominal regulator voltage

• Overall Length

  0.375 inches nominal