Artifact Details

Title

2N492 transistor

Catalog Number

102718892

Type

Physical object

Date

Circa 1950s/1960s

Manufacturer

General Electric Company (GE)

Identifying Numbers

Model number 2N492
Other number 126 On the side of the transistor.
Other number 2G On the top of the transistor.
Other number 5B On the top of the transistor.
Other number ES On the top of the transistor.

Dimensions

overall: 1 7/8 in x 1/4 in x 1/4 in

Description

Included is a description card from the Transistor Museum that says, "
Device ID: GE 2N491/2N492 transistor
Type: N-type silicon bar unijunction
Case Color/Style: Black metal TO-5
Vintage/Date Code: 1950s/1960s
Use: Timers, oscillators, SCR triggers
Notes: Unique technology developed at GE in 1956. Also known as double-base diode."

Category

Component/Semiconductor/transistor

Collection Title

The Jack Ward Transistor Museum Collection

Credit

Gift of Jack Ward

Lot Number

X7358.2015