● 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
Communication Coil, Inc.  · Electronic Components

278025800

Transformer, Radio Frequency

Part Number278025800
ManufacturerCommunication Coil, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,RADIO FREQUENCY
Federal Supply Class5950 — Coils and Transformers
Transformer FunctionINTERSTAGE
Mounting MethodTAB SINGLE GROUP
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Adjustment Method And Quantity1 ADJUSTABLE CORE SINGLE COMPONENT
Body Length0.500 INCHES MAXIMUM
Winding Shielding MethodINTERNAL SHIELD GROUNDED TO INCLOSURE SINGLE COMPONENT
Frequency Rating455.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
Terminal Type And Quantity4 SOLDER STUD
Reliability IndicatorNOT ESTABLISHED
Inclosure TypeFULLY INCLOSED
Mounting Tab Width0.047 INCHES MINIMUM AND 0.078 INCHES MAXIMUM
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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 278025800 available?
We can source 278025800 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 278025800 by Communication Coil, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 278025800 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 278025800?
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 278025800?
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.