Artifact Details

Title

Vacuum tube type 5687

Catalog Number

102735255

Type

Physical object

Place Manufactured

U. S.

Identifying Numbers

Model number 5687 Printed in silver ink around the glass envelope.
Other number 317292 Printed in white ink around the glass envelope of 2 tubes.
Other number 3225634-3 Printed in white ink around the glass envelope of 2 tubes.
Other number 3225636-3 Printed in white ink around the glass envelope of 1 tube.
Other number 3225750-3 Printed in white ink around the glass envelope of 1 tube.
Other number 3225801-3 Printed in white ink around the glass envelope of 7 tubes.
Other number 3225923-3 Printed in white ink around the glass envelope of 1 tube.
Other number 322609-3 Printed in white ink around the glass envelope of 9 tubes.
Other number 322615-3 Printed in white ink around the glass envelope of 1 tube.
Other number 322622-3 Printed in white ink around the glass envelope of 8 tubes.
Other number 322626-3 Printed in white ink around the glass envelope of 4 tubes.
Other number 322805-3 Printed in white ink around the glass envelope of 2 tubes.

Dimensions

overall: 2 1/8 in x 7/8 in x 7/8 in

Description

This record consists of 40 tubes. The 5687 is a medium-mu twin triode in a miniature nine-pin glass envelope. All but three of the tubes are manufactured by Tung-Sol; the three are made by IBM. Every tube has a red dot of paint on the top of the envelope near the tip.

Category

Component/vacuum tube

Credit

Gift of Gene M. Amdahl

Lot Number

X1040.90