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2N4949 - PN UNIJUNCTION TRANSISTORS

This page provides the datasheet information for the 2N4949, a member of the 2N4948 PN UNIJUNCTION TRANSISTORS family.

Datasheet Summary

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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Datasheet preview – 2N4949

Datasheet Details

Part number 2N4949
Manufacturer DigitrON Semiconductors
File Size 670.47 KB
Description PN UNIJUNCTION TRANSISTORS
Datasheet download datasheet 2N4949 Datasheet
Additional preview pages of the 2N4949 datasheet.

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Full PDF Text Transcription

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2N4948, 2N4949 High-reliability discrete products and engineering services since 1977 PN 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. MAXIMUM RATINGS Rating Symbol Value Unit RMS power dissipation(1) PD 360 mW RMS emitter current Peak pulse emitter current(2) Ie 50 mA ie 1.0 Amp Emitter reverse voltage VB2E 30 Volts Storage temperature range Tstg -65 to 200 °C Note 1: Derate 2.4mW/°C increase in ambient temperature. Total power dissipation must be limited by external circuitry.
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