Artifact Details

Title

CK78X transistor

Catalog Number

102741179

Type

Physical object

Date

Circa mid 1950s

Manufacturer

Raytheon Company

Identifying Numbers

Model number CK78X

Dimensions

overall: 2 1/8 in x 1/8 in x 1/8 in

Description

Included is a description cardCK78K transistor
Type: Silicon PNP alloy junction
Case Color/Style: Silver metal mini
Vintage/Date Code: mid 1950s
Use: Hearing aids, hobbyists
Notes: Production test "dropouts" used as embedded device inside blue/silver CK722."

Category

Component/Semiconductor/transistor

Collection Title

The Jack Ward Transistor Museum Collection

Credit

Gift of Jack Ward

Lot Number

X7358.2015