Thomas Electronics, Inc. · Electronic Components
4640-2
Coil, Electrical
Part Number4640-2
ManufacturerThomas Electronics, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5950-00-435-1979 (NSN)
Federal Item NameCOIL,ELECTRICAL
Federal Supply Class5950 — Coils and Transformers
Dc Resistance Rating In Ohms1.210 SINGLE COMPONENT ALL WINDING
Maximum Operating Temp65.0 CELSIUS
Winding Operating Current760.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL WINDING
Winding Quantity4 SINGLE COMPONENT
Terminal Type And Quantity6 WIRE LEAD
Inductance Rating0.42 MILLIHENRIES MINIMUM AND 0.50 MILLIHENRIES MAXIMUM SINGLE COMPONENT ALL WINDING
Inclosure TypeOPEN
Overall Length1.760 INCHES NOMINAL
Overall Diameter2.980 INCHES NOMINAL
Cancelled NSN5950-00-106-1460 (cancelled)
ColourBlack
RohscompliantNA
Sleeving ColourBlack
I D Supplied Metric27.94 mm
Length Metric203 mm
Hazardousfalse
RohsphthalatescompliantNA
I D Recovered Max Metric-
Length Imperial8 "
Product RangeThermo-Shrink Series
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 4640-2 available?
We can source 4640-2 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 4640-2 by Thomas Electronics, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4640-2 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 4640-2?
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 4640-2?
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.