Fairchild Semiconductor · Electronic Components
FST3125MTCX
IC SWITCH BUS 4BIT TTL 14TSSOP
Part NumberFST3125MTCX
ManufacturerFairchild Semiconductor
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-659-9342 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Operating Temp Range-40.0 TO 85.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating7.0 VOLTS MAXIMUM CORE SUPPLY VOLTAGE
Current Rating128.0 MILLIAMPERES MAXIMUM OUTPUT SINK
Special Features4 OHM SWITCH CONNECTION BETWEEN TWO PORTS
Body Width0.197 INCHES NOMINAL
Body Height0.236 INCHES NOMINAL
Federal Supply Class5962 — Microcircuits, Electronic
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 FST3125MTCX available?
We can source FST3125MTCX 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 FST3125MTCX by Fairchild Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FST3125MTCX 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 FST3125MTCX?
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 FST3125MTCX?
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.