Leach International Corp. · Electronic Components
JD4B
Relay, Electromagnetic
Part NumberJD4B
ManufacturerLeach International Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-232-2787 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Storage TypeGENERAL PURPOSE WAREHOUSE
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Coil Quantity1
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Environmental ProtectionHERMETIC
Mounting Facility Type And Quantit2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating A2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD
Purpose For Which DesignedGENERAL
Overall Height1.300 INCHES MAXIMUM
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Time Delay0.01 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
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 JD4B available?
We can source JD4B 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 JD4B by Leach International Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If JD4B 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 JD4B?
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 JD4B?
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.