This 100% new power supply, fondly named H7864-C, is a 1:1 replacement for the Astec AA12131 (DEC p/n H7864-A, H7864-B) power supplies.
It is physically compatible and will fit in any BA23 housing, and will work with any PDP11, MicroVAX (KA630/650/655) or RTVax.
Electrically it meets or surpasses all of the original power supply requirements. Continue reading “BA23 Power Supply (H7684-A / H7864-B) Replacement”