MBDA UK · Electronic Components
B77789
Relay, Electromagnetic
Part NumberB77789
ManufacturerMBDA UK
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-152-7539 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Overall Length0.280 INCHES MAXIMUM
Time Delay0.002 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Main Contact Load Current Rating A100.0 MILLIAMPERES DC INDUCTIVE LOAD
Operating Voltage Rating And Type16.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile Up Main Contact Arrangemen1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal Type And Quantity5 WIRE LEAD ALL FUNCTIONS
Winding Dc Resistance Rating500.0 OHMS NOMINAL SINGLE WINDING
Duty TypeINTERMITTENT
Main Contact Maximum Voltage Ratin28.0 DC
Test Data Document81349-MIL-R-39016/7 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE
Mounting Facility Type And Quantit1 TERMINAL SINGLE MOUNTING FACILITY
Vendor Part NumbersM39016/7-019L
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 B77789 available?
We can source B77789 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 B77789 by MBDA UK obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B77789 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 B77789?
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 B77789?
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.