Ellis & Watts International · Electronic Components
7W4-9
Transformer, Power
Part Number7W4-9
ManufacturerEllis & Watts International
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-243-6079 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Body Width4.938 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Terminal Type And Quantity6 SCREW
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Current2.5 AMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Center To Center Distance Between0.688 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Overall Height4.625 INCHES NOMINAL
Winding Operating Voltage240.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL PRIMARY
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 7W4-9 available?
We can source 7W4-9 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 7W4-9 by Ellis & Watts International obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 7W4-9 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 7W4-9?
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 7W4-9?
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.