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Rockwell Collins  · Electronic Components

543-7185-003

Transformer, Radio Frequency

Part Number543-7185-003
ManufacturerRockwell Collins
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Frequency Rating225.0 MEGAHERTZ MINIMUM AND 399.9 MEGAHERTZ MAXIMUM SINGLE COMPONENT
Coil Form TypeHOLLOW SINGLE COMPONENT
Inclosure TypeOPEN
Body Length6.500 INCHES NOMINAL
Terminal Type And Quantity3 TAB, SOLDER LUG
Center To Center Distance Between3.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Function And Quantity1 PRIMARY SINGLE COMPONENT
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Body Width3.438 INCHES NOMINAL
Adjustment Method And Quantity1 ADJUSTABLE CONTROL SINGLE COMPONENT
Vendor Part NumbersA6739
Cancelled NSN5820-00-675-2304 (cancelled)
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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 543-7185-003 available?
We can source 543-7185-003 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 543-7185-003 by Rockwell Collins obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 543-7185-003 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 543-7185-003?
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 543-7185-003?
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.