Function of the card:
Alloy-Current Source #2
Listed in 1401 SMS card usage
Germanium alloy transistors were an early type of transistor, faster than the earlier grown-junction transistors.
Part number: 370835
PCB number: 747983
Used in: IBM 1401
Cap code: None (details)
DP: Driver, Power. A power driver used to drive Into multiple bases.
Image courtesy of Henk Stegeman
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.