GE Aviation Systems · Electronic Components
SUM3545
Heat Sink, Electrical
Part NumberSUM3545
ManufacturerGE Aviation Systems
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-01-186-5673 (NSN)
Federal Item NameHEAT SINK,ELECTRICAL-ELECTRONIC
Federal Supply Class5999 — Miscellaneous Electrical Components
Overall Width1.550 INCHES MINIMUM AND 1.580 INCHES MAXIMUM
Overall Height0.338 INCHES MINIMUM AND 0.344 INCHES MAXIMUM
Overall Length6.950 INCHES MINIMUM AND 6.980 INCHES MAXIMUM
MaterialALUMINUM
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 SUM3545 available?
We can source SUM3545 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 SUM3545 by GE Aviation Systems obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SUM3545 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 SUM3545?
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 SUM3545?
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.