Te Connectivity Corporation · Electronic Components
MDR-4091
Relay, Rotary
Part NumberMDR-4091
ManufacturerTe Connectivity Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-123-8307 (NSN)
Federal Item NameRELAY,ROTARY
Federal Supply Class5945 — Relays and Solenoids
Operating Current Rating20.0 MILLIAMPERES NOMINAL
Overall Length2.625 INCHES NOMINAL
Rotation Direction For Which DesigCLOCKWISE
Contact Arrangement4PDT
Winding CharacteristicSINGLE WOUND UNTAPPED
Coil Winding Quantity2
Ac Operating Voltage Rating In Vol440.0 NOMINAL
Structural DesignNONPILE-UP
Contact Voltage Rating At Maximum115.0
Overall Height3.130 INCHES MAXIMUM
Mounting ConfigurationFOUR 0.196 IN. DIA MTG HOLES SPACED ON 2.125 IN. BY 2.125 IN. MTG CENTERS
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 MDR-4091 available?
We can source MDR-4091 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 MDR-4091 by Te Connectivity Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MDR-4091 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 MDR-4091?
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 MDR-4091?
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.