Fmc Technologies Inc. · Electronic Components
40C120B
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-080-1469
Part Number40C120B
ManufacturerFmc Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-080-1469 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialGLASS ENCLOSURE
Current Rating40.00 AMPERES MAXIMUM ON-STATE CURRENT, AVERAGE
Terminals1 THREADED STUD AND 2 TAB, SOLDER LUG
Mounting MethodTHREADED STUD(S)
Overall Length0.510 INCHES MAXIMUM
Overall Width Across Flats0.682 INCHES NOMINAL
Semiconductor MaterialSILICON
Features ProvidedHERMETICALLY SEALED CASE
Mounting Facility Quantity1
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 40C120B available?
We can source 40C120B 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 40C120B by Fmc Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 40C120B 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 40C120B?
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 40C120B?
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.