Oeco, LLC · Electronic Components
R6640
Transformer, Power
Part NumberR6640
ManufacturerOeco, LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-01-463-6788 (NSN)
Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Center To Center Distance Between2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP
Winding Operating Current390.0 MILLIAMPERES AC NOMINAL SINGLE COMPONENT SINGLE SECONDARY
Mounting Facility Quantity4 SINGLE GROUP
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Mounting Hole Diameter0.210 INCHES MINIMUM AND 0.218 INCHES MAXIMUM SINGLE GROUP
Winding Operating Voltage25.20 AC VOLTS MAXIMUM AND 23.80 AC VOLTS MINIMUM SINGLE COMPONENT SINGLE SECONDARY
Body Length2.060 INCHES MAXIMUM
Terminal Type And Quantity5 THREADED STUD
Overall Width2.000 INCHES MAXIMUM
Overall Height2.320 INCHES MAXIMUM
Inclosure TypeFULLY INCLOSED
ESD/EMICode A — ESD/EMI sensitive item
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 R6640 available?
We can source R6640 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 R6640 by Oeco, LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R6640 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 R6640?
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 R6640?
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.