National Semiconductor · Electronic Components
LF311H
IC VOLTAGE COMPARATOR TO-5
Part NumberLF311H
ManufacturerNational Semiconductor
AvailabilityIn stock — ships fast
Specifications
NSN5962-01-079-0450 (NSN)
Federal Item NameMICROCIRCUIT,LINEAR
Operating Temp Range+0.0 TO 70.0 CELSIUS
Storage Temp Range-65.0 TO 150.0 CELSIUS
Voltage Rating36.0 VOLTS MAXIMUM POWER SOURCE
Max Power Dissipation500.0 MILLIWATTS
Design Function1 COMPARATOR, VOLTAGE
Terminals8 PIN
Overall Length0.665 INCHES MINIMUM
Enclosure ConfigurationCAN
Enclosure MaterialMETAL
Terminal Surface TreatmentSOLDER
Federal Supply Class5962 — Microcircuits, Electronic
Cancelled NSN5962-01-079-0450 (cancelled)
NSN Cancelled Date19-JAN-2006
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 LF311H in stock?
Yes — LF311H is in our stock database. Request a quote for current pricing and lead time.
Is LF311H by National Semiconductor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LF311H 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 LF311H?
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 LF311H?
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.