National Semiconductor Corporation · Electronic Components
54ACT399LMQB
MICROCIRCUIT,LINEAR — NSN 5962-01-415-0861
Part Number54ACT399LMQB
ManufacturerNational Semiconductor Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-415-0861 (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 Rating7.0 VOLTS MAXIMUM POWER SOURCE
Design Function4 REGISTER
Terminals20 LEADLESS
Enclosure ConfigurationLEADED CHIP CARRIER
Enclosure MaterialCERAMIC
Terminal Surface TreatmentSOLDER
Features ProvidedBURN IN
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 54ACT399LMQB available?
We can source 54ACT399LMQB 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 54ACT399LMQB by National Semiconductor Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 54ACT399LMQB 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 54ACT399LMQB?
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 54ACT399LMQB?
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.