● 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
Stromberg-Carlson Corp. A Plessey Telecommunications Co  · Electronic Components

666231-057

Transformer, Radio Frequency

Part Number666231-057
ManufacturerStromberg-Carlson Corp. A Plessey Telecommunications Co
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Body Length1.468 INCHES NOMINAL
Overall Length1.588 INCHES NOMINAL
Inclosure TypeFULLY INCLOSED
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Reliability IndicatorNOT ESTABLISHED
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Coil Form TypeHOLLOW SINGLE COMPONENT
Terminal Type And Quantity4 KNIFE BLADE
Body Height1.167 INCHES NOMINAL
Frequency Rating9.0 MEGAHERTZ NOMINAL SINGLE COMPONENT
Adjustment Device Drive TypeSLOTTED SCREW SINGLE COMPONENT
Vendor Part Numbers2570-57, 809000-346
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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 666231-057 available?
We can source 666231-057 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 666231-057 by Stromberg-Carlson Corp. A Plessey Telecommunications Co obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 666231-057 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 666231-057?
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 666231-057?
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.