1N2990B

Technical Characteristics

• Nominal Thread Size

  0.190 inches

• Thread Series Designator

  unf

• Function For Which Designed

  zener diode

• Electrode Internally-Electrically Connected To Case

  anode

• Current Rating Per Characteristic

  75.00 milliamperes source cutoff current horsepower metric

• Power Rating Per Characteristic

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

• Features Provided

  hermetically sealed case and mounting hardware

• Semiconductor Material

  silicon

• Terminal Type And Quantity

  1 tab, solder lug and 1 threaded stud

• Overall Length

  1.253 inches maximum

• Inclosure Material

  glass and metal

• Voltage Rating In Volts Per Characteristic

  32.0 nominal nominal regulator voltage

• Mounting Method

  threaded stud

• Overall Width Across Flats

  0.424 inches minimum and 0.437 inches maximum

• Voltage Tolerance In Percent

  -5.0/+5.0

• Mounting Facility Quantity

  1

• Joint Electronic Device Engineering Council/Jedec/Case Outline Designation

  do-4