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Berkshire Transformer  · Electronic Components

BTC-12839

Transformer, Power

Part NumberBTC-12839
ManufacturerBerkshire Transformer
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE GROUP
Mounting MethodUNTHREADED HOLE(S) SINGLE GROUP
Distance Between Mounting Facility1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Voltage50.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
Mounting Facility Quantity2 SINGLE GROUP
Terminal Type And Quantity4 TAB, SOLDER LUG
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Overall Length1.625 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHEDNOT ESTABLISHED
Frequency Rating200.0 HERTZ MINIMUM AND 1200.0 HERTZ MAXIMUM SINGLE COMPONENT
Vendor Part NumbersAD37398-5
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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 BTC-12839 available?
We can source BTC-12839 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 BTC-12839 by Berkshire Transformer obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If BTC-12839 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 BTC-12839?
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 BTC-12839?
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.