Micro Uspd Inc. · Electronic Components
3A1218
SEMICONDUCTOR DEVICE,THYRISTOR — NSN 5961-00-078-5303
Part Number3A1218
ManufacturerMicro Uspd Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5961-00-078-5303 (NSN)
Federal Item NameSEMICONDUCTOR DEVICE,THYRISTOR
Federal Supply Class5961 — Semiconductor Devices And Associated Hardware
MaterialGLASS ENCLOSURE
Current Rating1.25 AMPERES MAXIMUM FORWARD CURRENT, DC
Terminals3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Overall Length0.260 INCHES NOMINAL
Overall Diameter0.370 INCHES MAXIMUM
Special FeaturesJUNCTION PATTERN ARRANGEMENT: PNPN
Terminal Length1.500 INCHES MINIMUM
Precious Material And LocationTERMINAL SURFACES GOLD
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 3A1218 available?
We can source 3A1218 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 3A1218 by Micro Uspd Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3A1218 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 3A1218?
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 3A1218?
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.