Artifact Details

Title

Cap. diode inverter 4127-D system building block

Catalog Number

102728505

Type

Physical object

Date

1965 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Place Manufactured

Maynard, Mass.

Identifying Numbers

Model number 4127-D Printed in solder near the insertion end
Other number 4127 Stamped into the front of the aluminum frame
Serial number 0057879 Stamped into the side of the aluminum frame

Dimensions

overall: 1/4 in x 4 1/2 in x 7 in

Description

The object consists of a green board surrounded by an aluminum frame and a blue plastic connector. On one side there are several neatly arranged components, including diodes, capacitors, transistors, and resistors. On the solder side there is a lettered grid A-Z. There is a red tag attached, dated 3/4/69, which describes a fault in the board "Bad output pin 'T' as module heats up out put pin 'T' becomes smaller in amplitude."

Category

Component/module