TE Connectivity · Electronic Components
W51A121B1-10
Switch, Toggle
Part NumberW51A121B1-10
ManufacturerTE Connectivity
AvailabilityAvailable to order — request a quote
Specifications
NSN5930-01-558-8924 (NSN)
Federal Item NameSWITCH,TOGGLE
Federal Supply Class5930 — Switches
Actuator Length0.827 INCHES NOMINAL
Actuator Width0.394 INCHES NOMINAL
Body Height0.937 INCHES NOMINAL
Body Width0.598 INCHES NOMINAL
Illuminated Actuator ColorRED SINGLE ACTUATOR
Maximum Voltage Rating In Volts250.0 AC AND 50.0 DC
Actuator InscriptionOFF AND RESET SINGLE ACTUATOR
Mounting MethodPANEL AND TERMINAL
Body StylePANEL MOUNT
Actuator Height0.118 INCHES NOMINAL
Terminal Type And Quantity3 TAB, SOLDER LUG
ESD/EMICode A — ESD/EMI sensitive item
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 W51A121B1-10 available?
We can source W51A121B1-10 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 W51A121B1-10 by TE Connectivity obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If W51A121B1-10 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 W51A121B1-10?
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 W51A121B1-10?
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.