● 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
Yale Industrial Products, Inc.  · Electronic Components

JF-821

Transformer, Power

Part NumberJF-821
ManufacturerYale Industrial Products, Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Height2.245 INCHES MINIMUM AND 2.255 INCHES MAXIMUM
Reliability IndicatorNOT ESTABLISHED
Terminal Type And Quantity6 WIRE LEAD
Distance Between Mounting Facility2.812 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Voltage220.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
Nominal Thread Size0.190 INCHES SINGLE GROUP
Thread Series DesignatorUNF SINGLE GROUP
Mounting Facility Quantity2 SINGLE GROUP
Body Length3.745 INCHES MINIMUM AND 3.755 INCHES MAXIMUM
Body Width1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM
Mounting MethodTHREADED HOLE(S) SINGLE GROUP
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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 JF-821 available?
We can source JF-821 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 JF-821 by Yale Industrial Products, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If JF-821 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 JF-821?
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 JF-821?
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.