ManufacturerRadio Corporation of America (RCA)
Dimensionsoverall: 5/8 in x 1/4 in x 1/4 in
DescriptionIncluded is a description card from the Transistor Museum that says, "
Device ID: RCA 2N109 transistor
Type: Germanium PNP alloy junction
Case Color/Style: Silver metal TO-40
Vintage/Date Code: 1950s/1960s
Use: Large signal audio frequency amplifier
Notes: Used in many commercial devices such as preamps, radios and jukeboxes."