2N4949 Datasheet PN UNIJUNCTION TRANSISTORS

Manufacturer: Digitron Semiconductors

Download the 2N4949 datasheet PDF. This datasheet also includes the 2N4948 variant, as both parts are published together in a single manufacturer document.

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2N4949 pn unijunction transistors by Digitron Semiconductors - Datasheet Preview — Note: The manufacturer provides a single datasheet file (2N4948-DigitronSemiconductors.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	2N4949
Manufacturer	Digitron Semiconductors
File Size	670.47 KB
Description	PN UNIJUNCTION TRANSISTORS
Datasheet	2N4949 Datasheet

Overview

2N4948, 2N4949 High-reliability discrete products and engineering services since 1977 PN UNIJUNCTION.

Key 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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