Heathkit · Electronic Components
443-840
MICROCIRCUIT,DIGITAL — NSN 5962-01-111-1025
Part Number443-840
ManufacturerHeathkit
AvailabilityAvailable to order — request a quote
Specifications
NSN5962-01-111-1025 (NSN)
Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-0.0 TO 70.0 CELSIUS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Design Function1 GENERATOR, CLOCK
Enclosure ConfigurationDUAL-IN-LINE
Enclosure MaterialCERAMIC
Input Circuit Pattern4 INPUT
Features Provided2-PHASE
Body Width6.2 MILLIMETERS MINIMUM AND 7.0 MILLIMETERS MAXIMUM
Body Height3.6 MILLIMETERS MINIMUM AND 4.1 MILLIMETERS MAXIMUM
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 443-840 available?
We can source 443-840 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 443-840 by Heathkit obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 443-840 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 443-840?
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 443-840?
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.