● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Sprague Electric Co. World Hqs  · Electronic Components

US54H40H

MICROCIRCUIT,DIGITAL — NSN 5962-00-120-2603

Part NumberUS54H40H
ManufacturerSprague Electric Co. World Hqs
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,DIGITAL
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-55.0 TO 125.0 CELSIUS
Output Logic FormTRANSISTOR-TRANSISTOR LOGIC
Enclosure MaterialSILICON
Special Features5.5VDC INPUT VOLTAGE
Features ProvidedMONOLITHIC AND HIGH SPEED AND POSITIVE OUTPUTS
Body Length0.785 INCHES NOMINAL
Body Width0.280 INCHES NOMINAL
Body Height0.145 INCHES NOMINAL
Input Circuit PatternDUAL 4 INPUT
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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

Frequently asked

Is US54H40H available?
We can source US54H40H 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 US54H40H by Sprague Electric Co. World Hqs obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If US54H40H 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 US54H40H?
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 US54H40H?
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.