Leach International Corp. · Electronic Components
JD4L021
Relay, Electromagnetic
Part NumberJD4L021
ManufacturerLeach International Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-403-2405 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Environmental ProtectionHERMETIC
Winding Quantity1
Mounting Facility Type And Quantit2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Operating Voltage Rating And Type28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Dc Resistance Rating320.0 OHMS NOMINAL SINGLE WINDING
Overall Height0.510 INCHES NOMINAL
Overall Width1.550 INCHES NOMINAL
Mounting Slot Width0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY
Center To Center Distance Between1.421 INCHES NOMINAL SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A8.0 AMPERES AC AND 8.0 AMPERES DC RESISTIVE LOAD
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Vendor Part NumbersC4808
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 JD4L021 available?
We can source JD4L021 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 JD4L021 by Leach International Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If JD4L021 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 JD4L021?
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 JD4L021?
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.