Function of the card:
ALLOY LOAD RESISTOR - 40.2 ohm 2 W
Alloy-Load Resistor – 40.2Ω 2W
Alloy - Load Resistor - 40.2 Ohm 2W
Listed in 1401 SMS card usage
Quad Resistor 40.2ohm 2W
Part number: 371453
IBM 1620 Instructional System Diagrams, p484
National Museum of Computing.
IBM 1620 FE Catalog
The information on these pages comes from a variety of sources, especially old IBM documents on bitsavers.org, as well as information from the IBM 1401 restoration team, especially Tim Coslet's SMS data and Jim Hunt's data. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.