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2N491A - SILICON UNIJUNCTION TRANSISTORS

Download the 2N491A datasheet PDF (2N489 included). The manufacturer datasheet provides complete specifications, pinout details, electrical characteristics, and typical applications for silicon unijunction transistors.

Features

  • Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.
  • Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
  • Stable operation over wide temperature range.
  • Low leakage current.
  • Low peak point current.
  • Guaranteed minimum pulse voltage.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (2N489-Digitron.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number 2N491A
Manufacturer Digitron
File Size 1.45 MB
Description SILICON UNIJUNCTION TRANSISTORS
Datasheet download datasheet 2N491A Datasheet

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Other Datasheets by Digitron
  • 2N491 - SILICON UNIJUNCTION TRANSISTORS
  • 2N491B - SILICON UNIJUNCTION TRANSISTORS
  • 2N490 - SILICON UNIJUNCTION TRANSISTORS
  • 2N490A - SILICON UNIJUNCTION TRANSISTORS
  • 2N490B - SILICON UNIJUNCTION TRANSISTORS
  • 2N490C - SILICON UNIJUNCTION TRANSISTORS
  • 2N492 - SILICON UNIJUNCTION TRANSISTORS
  • 2N492A - SILICON UNIJUNCTION TRANSISTORS

Full PDF Text Transcription

Click to expand full text
2N489(A,B)-2N494(A,B) High-reliability discrete products and engineering services since 1977 SILICON UNIJUNCTION TRANSISTORS FEATURES  Available as “HR” (high reliability) screened per MIL-PRF-19500, JANTX level. Add “HR” suffix to base part number.  Available as non-RoHS (Sn/Pb plating), standard, and as RoHS by adding “-PBF” suffix.
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