Microsemi Corp.-Power Management Group · Electronic Components
BR7X-300D4-S66
Relay, Electromagnetic
Part NumberBR7X-300D4-S66
ManufacturerMicrosemi Corp.-Power Management Group
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-725-4416 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Duty TypeCONTINUOUS
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY
Overall Width0.510 INCHES NOMINAL
Thread Class2A SINGLE MOUNTING FACILITY
Features ProvidedPOLARIZED
Environmental ProtectionHERMETIC
Mounting Facility Type And Quantit2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is BR7X-300D4-S66 available?
We can source BR7X-300D4-S66 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is BR7X-300D4-S66 by Microsemi Corp.-Power Management Group obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BR7X-300D4-S66 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like BR7X-300D4-S66?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for BR7X-300D4-S66?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.