Hamlin · Electronic Components
HE421A0500
Relay, Reed — Relays and Solenoids
Part NumberHE421A0500
ManufacturerHamlin
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-078-6457 (NSN)
Federal Item NameRELAY,REED
Federal Supply Class5945 — Relays and Solenoids
Overall Length1.200 INCHES NOMINAL1.200 INCHES NOMINAL
Main Contact Load Current Rating A500.0 MILLIAMPERES AC AND 500.0 MILLIAMPERES DC RESISTIVE LOAD
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type6.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nominal Operating Current Rating A30.0 MILLIAMPERES DC SINGLE WINDING
Terminal Type And Quantity4 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Ratin150.0 AC AND 100.0 DC
Nonpile Up Main Contact Arrangemen1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Winding Dc Resistance Rating200.0 OHMS NOMINAL SINGLE WINDING
Overall Width0.400 INCHES NOMINAL0.400 INCHES NOMINAL
Duty TypeCONTINUOUS
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 HE421A0500 available?
We can source HE421A0500 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 HE421A0500 by Hamlin obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HE421A0500 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 HE421A0500?
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 HE421A0500?
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.