Hamlin · Electronic Components
HE721A0511
Relay, Reed — Relays and Solenoids
Part NumberHE721A0511
ManufacturerHamlin
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-354-8100 (NSN)
Federal Item NameRELAY,REED
Federal Supply Class5945 — Relays and Solenoids
Overall Height0.275 INCHES MAXIMUM0.275 INCHES MAXIMUM
Winding Dc Resistance Rating380.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity11
Overall Width0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM
Overall Length0.750 INCHES MAXIMUM0.750 INCHES MAXIMUM
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Operating Voltage Rating And Type5.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Coil Quantity11
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
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 HE721A0511 available?
We can source HE721A0511 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 HE721A0511 by Hamlin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HE721A0511 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 HE721A0511?
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 HE721A0511?
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.