Sprague Electric Co World Hqs · Electronic Components
S7940
Filter, Radio Frequency Interfere
Part NumberS7940
ManufacturerSprague Electric Co World Hqs
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-00-817-4504 (NSN)
Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Federal Supply Class5915 — Filters and Networks
Mounting Facility Type And Quantit1 THREADED STUD(S) FIRST FUNCTION
Operating Voltage Rating And Type28.0 VOLTS DC SINGLE RADIO INTERFERENCE LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type And Quant1 TAB, SOLDER LUG OUTPUT SECOND FUNCTION
Mounting Facility Screw Thread SerUNF
Body Length1.820 INCHES NOMINAL
Nominal Thread Size0.250 INCHES
Inclosure TypeHERMETICALLY SEALED
Body Outside Diameter0.670 INCHES NOMINAL
Vendor Part Numbers575R479H01
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 S7940 available?
We can source S7940 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 S7940 by Sprague Electric Co World Hqs obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If S7940 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 S7940?
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 S7940?
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.