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Texas Instruments Inc.  · Electronic Components

LM2991SX

MICROCIRCUIT,LINEAR — NSN 5962-01-680-3003

Part NumberLM2991SX
ManufacturerTexas Instruments Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameMICROCIRCUIT,LINEAR
Federal Supply Class5962 — Microcircuits, Electronic
Operating Temp Range-40.0 TO 125.0 CELSIUS
Voltage Rating3.0 VOLTS MINIMUM NEGATIVE OUTPUT AND 24.0 VOLTS MAXIMUM NEGATIVE OUTPUT
Current Rating1.0 AMPERES NOMINAL ABSOLUTE OUTPUT
Terminals5 PIN
Body Width9.0 MILLIMETERS NOMINAL
Body Length10.20 MILLIMETERS NOMINAL
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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 LM2991SX available?
We can source LM2991SX 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 LM2991SX by Texas Instruments Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LM2991SX 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 LM2991SX?
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 LM2991SX?
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.