Leach International · Electronic Components
TD843-5S
Relay, Electromagnetic
Part NumberTD843-5S
ManufacturerLeach International
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-436-8995 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Environmental ProtectionDUSTPROOF
Operating Voltage Rating And Type29.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Winding Quantity1
Main Contact Maximum Voltage Ratin115.0 AC AND 28.0 DC
Overall Width2.150 INCHES NOMINAL
Nominal Operating Current Rating A180.0 MILLIAMPERES DC SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Center To Center Distance Between1.844 INCHES NOMINAL SINGLE MOUNTING FACILITY
Time Delay5.00 SECONDS NOMINAL FIXED OPERATE TIME
Mounting Facility Type And Quantit2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Coil Quantity1
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 TD843-5S available?
We can source TD843-5S 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 TD843-5S by Leach International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If TD843-5S 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 TD843-5S?
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 TD843-5S?
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.