U S Dept Of Transportation Federal Aviation Administration · Electronic Components
C149M20
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-01-140-2547
Part NumberC149M20
ManufacturerU S Dept Of Transportation Federal Aviation Administration
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-01-140-2547 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
Current Rating63.00 AMPERES NOMINAL ON-STATE CURRENT, RMS TOTAL
Terminals2 TAB, SOLDER LUG
Mounting MethodTHREADED STUD(S)
Overall Length0.534 INCHES MINIMUM AND 0.565 INCHES MAXIMUM
Overall Diameter0.676 INCHES MINIMUM AND 0.684 INCHES MAXIMUM
Voltage Rating In Volts Per Charac600.0 NOMINAL REPETITIVE PEAK OFF-STATE VOLTAGE
Semiconductor MaterialSILICON
Mounting Facility Quantity1
Nominal Thread Size0.250 INCHES
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 C149M20 available?
We can source C149M20 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 C149M20 by U S Dept Of Transportation Federal Aviation Administration obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If C149M20 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 C149M20?
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 C149M20?
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.