Artifact Details

Title

Vacuum tube type 5581

Catalog Number

102691727

Type

Physical object

Manufacturer

Radio Corporation of America (RCA)

Place Manufactured

U.S.

Identifying Numbers

Other number 5581 Printed on base
Other number 65-22 Printed on base

Dimensions

overall: 2 3/4 in x 1 1/4 in x 1 1/4 in

Description

This Radiotron tube has an octal base, but it is only populated with five pins. There are two unreadable blue ink marks on the bottom of the base.

Category

Component/vacuum tube