Littelfuse · Electronic Components
SA120C
DIODE TVS 120V 500W AXL BI 10%
Part NumberSA120C
ManufacturerLittelfuse
AvailabilityAvailable to order — request a quote
Specifications
NSN5945-01-193-4949 (NSN)
Federal Item NameRELAY,ELECTROMAGNETIC
MaterialSTEEL CORROSION RESISTING CONTACT
Terminals11 THREADED STUD ALL FUNCTIONS
Overall Length3.430 INCHES MAXIMUM
Overall Width3.750 INCHES MAXIMUM
Overall Height3.720 INCHES MAXIMUM
Features ProvidedPOLARIZED
Special FeaturesAUXILIARY CONTACT CONFIGURATION; ONE SPST NC AND ONE SPDT
Arc Quenching MethodAIR
Purpose For Which DesignedGENERAL
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Federal Supply Class5945 — Relays And Solenoids
Main Contact Maximum Voltage Ratin200.0 AC
Fragility FactorMODERATELY RUGGED
Auxiliary Contact Maximum Voltage28.0 DC
Nonpile Up Main Contact Arrangemen3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Storage TypeGENERAL PURPOSE WAREHOUSE
Cubic Measure47.848 CUBIC INCHES
Coil Quantity1
Vendor Part NumbersHS4794-1
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 SA120C available?
We can source SA120C 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 SA120C by Littelfuse obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SA120C 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 SA120C?
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 SA120C?
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.