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Robert M Hadley  · Electronic Components

18074

Transformer, Radio Frequency

Part Number18074
ManufacturerRobert M Hadley
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Winding Conductor Size0.01126 INCHES AMERICAN WIRE GAGE SINGLE COMPONENT FIRST PRIMARY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
Rating MethodWINDING TURNS SINGLE COMPONENT ALL PRIMARY
Turn Quantity150 SINGLE COMPONENT FIRST PRIMARY
Nominal Thread Size0.112 INCHES SINGLE GROUP
Thread Quantity Per Inch40 SINGLE GROUP
Terminal Type And Quantity14 WIRE LEAD
Reliability IndicatorNOT ESTABLISHED
Winding Function And Quantity2 PRIMARY AND 3 SECONDARY SINGLE COMPONENT
Body Outside Diameter1.250 INCHES MAXIMUM
Mounting Facility Quantity1 SINGLE GROUP
Vendor Part NumbersP4489, 42778-21
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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 18074 available?
We can source 18074 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 18074 by Robert M Hadley obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 18074 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 18074?
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 18074?
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.