Q-Tech Corp. · Electronic Components
MCM391B
MICROCIRCUIT,LINEAR — NSN 5962-01-129-4093
Part NumberMCM391B
ManufacturerQ-Tech Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-129-4093 (NSN)
Federal Item NameMICROCIRCUIT,LINEAR
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-55.0 TO 125.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating5.5 VOLTS MAXIMUM TOTAL SUPPLY
Design Function1 OSCILLATOR
Terminals12 PIN
Enclosure ConfigurationCAN
Enclosure MaterialMETAL
Body Outside Diameter0.505 INCHES MAXIMUM
Input Circuit Pattern2 INPUT
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 MCM391B available?
We can source MCM391B 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 MCM391B by Q-Tech Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MCM391B 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 MCM391B?
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 MCM391B?
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.