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1N991B-1 - Silicon 500mW Zener Diodes

Download the 1N991B-1 datasheet PDF. This datasheet also covers the 1N957B-1 variant, as both devices belong to the same silicon 500mw zener diodes family and are provided as variant models within a single manufacturer datasheet.

General Description

The popular 1N957B-1 through 1N992B-1 series of 0.5 watt Zener voltage regulators provides a selection from 6.8 to 200 volts in a standard 5%, 2% and 1% tolerance versions.

Key Features

  • JEDEC registered 1N957B to 1N992B number series.
  • Internal metallurgical bond.
  • JAN, JANTX, and JANTXV qualifications are available per MIL-PRF-19500/117 for part numbers 1N962B-1 thru 1N992B-1.
  • Upscreening is available in reference to MIL-PRF-19500 for the range of 1N957B-1 through 1N961B-.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (1N957B-1-Microsemi.pdf) that lists specifications for multiple related part numbers.

More Datasheets from Microsemi (now Microchip Technology)

Part Number Description
1N991B Silicon 500mW Zener Diodes
1N991BUR-1 Silicon MELF 500mW Zener Diodes
1N990B Silicon 500mW Zener Diodes
1N990B-1 Silicon 500mW Zener Diodes
1N990BUR-1 Silicon MELF 500mW Zener Diodes
1N992B Silicon 500mW Zener Diodes
1N992B-1 Silicon 500mW Zener Diodes
1N992BUR-1 Silicon MELF 500mW Zener Diodes
1N914 Glass Axial Switching Diode
1N935 9.0 Volt Temperature Compensated Zener Reference Diodes

Full PDF Text Transcription for 1N991B-1 (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
1N957B-1 – 1N992B-1 Available on commercial versions Silicon 500 mW Zener Diodes Qualified per MIL-PRF-19500/117 DESCRIPTION The popular 1N957B-1 through 1N992B-1 series of 0.5 watt Zener voltage regulators provides a selection from 6.8 to 200 volts in a standard 5%, 2% and 1% tolerance versions. These axial-leaded glass DO-35 Zeners feature an internal metallurgical bond and are available in military qualified and commercial RoHS compliant versions. Military qualified versions are available on the 1N962B-1 through 1N992B-1 range of part numbers. Qualified Levels*: JAN, JANTX, and JANTXV Important: For the latest information, visit our website http://www.microsemi.com. FEATURES • JEDEC registered 1N957B to 1N992B number series. • Internal metallurgical bond.