Function of the card:
General Purpose Filter Card
Penta Capacitor 10uf 20VDC
Part number:371501
Field replacement part number:371501
Customer Eng reference number:729862
PCB number:491477
Used in:IBM 1311 Disk,IBM 1401,IBM 7070,IBM 1410
Symbol:FILT
FILT: Filter. Capacitor card used to filter voltage supplies.
Family: current mode
References:
IBM Standard Modular System, Component Circuits, p123.
2_2 SMS Cards, p18.
1410_SMS_VOL_1.pdf/1410_SMS_VOL_2.pdf, p2084.
IBM 1311 ILD, p131.
This page created by Ken Shirriff, 2015.
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. Images courtesy of Randall Neff. Much of this information was obtained through OCR, so don't expect complete accuracy. These pages are not associated with IBM in any way.
Creation time: Tue Mar 03 23:40:33 2015.