Honeywell Inc. Residential Div · Electronic Components
AT72D1204
Transformer, Power
Part NumberAT72D1204
ManufacturerHoneywell Inc. Residential Div
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-015-9454 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Height4.188 INCHES NOMINAL
Body Width2.250 INCHES NOMINAL
Winding Operating Voltage26.50 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Winding Power Rating40.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
Center To Center Distance Between3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Mounting Hole Diameter0.188 INCHES NOMINAL SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Mounting MethodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
Terminal Type And Quantity4 WIRE LEAD
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is AT72D1204 available?
We can source AT72D1204 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 AT72D1204 by Honeywell Inc. Residential Div obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If AT72D1204 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 AT72D1204?
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 AT72D1204?
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.