Mission Systems Davenport · Electronic Components
ERS21F227R1A
Resistor, Fixed, Wire Wound
Part NumberERS21F227R1A
ManufacturerMission Systems Davenport
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-989-1943 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-0.100 TO 0.100
Inclosure TypeENCAPSULATED
Body Diameter0.275 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer145.0
Terminal TypeWIRE LEAD
Reliability IndicatorNOT ESTABLISHED
Ambient Temp At Full Rated Power125.0 CELSIUS
Power Dissipation Rating In Watts0.500 FREE AIR
Body Length0.500 INCHES NOMINAL
Electrical Resistance227.100 OHMS
Style DesignatorAXIAL TERMINAL EACH END
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 ERS21F227R1A available?
We can source ERS21F227R1A 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 ERS21F227R1A by Mission Systems Davenport obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If ERS21F227R1A 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 ERS21F227R1A?
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 ERS21F227R1A?
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.