TE Connectivity · Electronic Components
HFW-4A1201-S01
Relay, Electromagnetic
Part NumberHFW-4A1201-S01
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-00-879-9494 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
Federal Supply Class5945 — Relays and Solenoids
Storage TypeGENERAL PURPOSE WAREHOUSE
Main Contact Maximum Voltage Ratin115.0 AC AND 30.0 DC
Time Delay0.004 SECONDS MAXIMUM FIXED OPERATE TIME
Operating Voltage Rating And Type26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nominal Operating Current Rating A300.0 MILLIAMPERES DC SINGLE WINDING
Main Contact Load Current Rating A1.0 AMPERES AC AND 4.0 AMPERES DC RESISTIVE LOAD
Nonpile Up Main Contact Arrangemen2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility Type And Quantit1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Cubic Measure0.212 CUBIC INCHES
Terminal Type And Quantity8 PIN ALL FUNCTIONS
Environmental ProtectionHERMETIC
Cancelled NSN5945-01-286-2147 (cancelled)
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
UseccnUnknown
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 HFW-4A1201-S01 available?
We can source HFW-4A1201-S01 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 HFW-4A1201-S01 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If HFW-4A1201-S01 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 HFW-4A1201-S01?
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 HFW-4A1201-S01?
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.