Sensata Technologies · Electronic Components
M221F122030521
Switch, Thermostatic
Part NumberM221F122030521
ManufacturerSensata Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-00-081-3853 (NSN)
Federal Item NameSWITCH,THERMOSTATIC
Federal Supply Class5930 — Switches
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM
Terminal TypeTAB, SOLDER LUG
Precious MaterialSILVER
Contact AdjustabilityACTUATION POINT NOT ADJUSTABLE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating In Volts30.0 DC AT SEA LEVEL SECOND VOLTAGE
Frequency In Hertz60.0 FIRST VOLTAGE
Precious Material And LocationCONTACTS SILVER
Overall Height0.300 INCHES MAXIMUM
Features ProvidedHERMETICALLY SEALED CASE
Media For Which DesignedGAS OR LIQUID
Vendor Part Numbers267-0248-040
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 M221F122030521 available?
We can source M221F122030521 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 M221F122030521 by Sensata Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If M221F122030521 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 M221F122030521?
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 M221F122030521?
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.