● 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
Cts Electronic Components (California) Inc.  · Electronic Components

LB5A1B

Heat Sink, Electrical

Part NumberLB5A1B
ManufacturerCts Electronic Components (California) Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Vendor Part NumbersSMC656631
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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 LB5A1B available?
We can source LB5A1B 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 LB5A1B by Cts Electronic Components (California) Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If LB5A1B 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 LB5A1B?
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 LB5A1B?
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.