Avtron A18639-1 Circuit Board

Avtron A18639-1 is a snubber assembly PC board from Avtron, identified as part A18639-1. Marketed as a SNUBBER PC BOARD, it functions as the snubber module in Avtron DC drive controllers, packing eight relays on a single board to interface with the drive electronics. The component is listed with a weight of about 0.69 lb (SigmaSurplus SKU 220952). Retailers note that A18639-1 has been discontinued by the manufacturer, which is reflected in several Avtron spare-parts catalogs. The part is commonly described as a DC Drive Controller Module snubber board in third-party marketplaces, indicating its role as a spare or replacement part for Avtron control hardware. It is available in used or surplus condition through several vendors, aligning with the board’s status as a legacy Avtron component. Third-party sellers describe the part as a replacement or spare for Avtron drive systems and related control hardware.