Leach International · Electronic Components
YA-D4K
Relay, Electromagnetic
Part NumberYA-D4K
ManufacturerLeach International
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-683-3940 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Main Contact Load Current Rating A3.0 AMPERES DC INDUCTIVE LOAD
Coil Quantity1
Overall Height0.81 INCHES NOMINAL
Overall Width0.81 INCHES NOMINAL
Overall Length1.280 INCHES NOMINAL
Nonpile Up Main Contact Arrangemen4 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED
Mounting Facility Type And Quantit1 TERMINAL SINGLE MOUNTING FACILITY
Precious MaterialGOLD
Main Contact Maximum Voltage Ratin28.0 DC
Terminal Type And Quantity20 WIRE HOOK CONTACTS
ESD/EMICode A — ESD/EMI sensitive item
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 YA-D4K available?
We can source YA-D4K 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 YA-D4K by Leach International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If YA-D4K 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 YA-D4K?
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 YA-D4K?
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.