491. Tracked Changes. Fixed resistors for use in electronic equipment. Sectional specification: Power resistors for through hole assembly on circuit boards (THT) or for assembly on chassis Part 4, (23rd February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (250 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
492. Tracked Changes. Varistors for use in electronic equipment. Sectional specification for surge suppression varistors Part 2, (22nd March 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (70 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
493. Transformers and inductors for use in electronic and telecommunication equipment. Sectional specification for power transformers on the basis of the capability approval procedure Part 3, (15th November 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
494. Transformers and inductors for use in electronic and telecommunication equipment. Sectional specification for signal transformers on the basis of the capability approval procedure Part 2, (15th November 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
495. Varistors for use in electronic equipment. Sectional specification for surge suppression varistors Part 2, (1st March 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗