Title
CK718 transistorCatalog Number
102741178Type
Physical objectDescription
Included is a description card from the Transistor Museum that says, "Device ID: Raytheon CK718 transistor
Type: Germanium PNP alloy junction
Case Color/Style: Black epoxy
Vintage/Date Code: 1952-1955
Use: Body style hearing aids
Notes: First transistor in volume production. 60+ year old historic device."
Date
Circa 1952-1955Manufacturer
Raytheon CompanyIdentifying Numbers
| Model number | CK718 | |
| Other number | 407 | On the bottom of the object. |
Dimensions
overall: 1/4 in x 5/8 in x 1/4 inCategory
Component/Semiconductor/transistorCollection Title
The Jack Ward Transistor Museum CollectionCredit
Gift of Jack WardLot Number
X7358.2015
