Captor · Electronic Components
A-3178B
Filter, Radio Frequency Interfere
Part NumberA-3178B
ManufacturerCaptor
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-01-233-3159 (NSN)
Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Federal Supply Class5915 — Filters and Networks
Body Length4.500 INCHES NOMINAL
Body Height1.620 INCHES NOMINAL
Mounting Facility Screw Thread SerUNIFIED NATIONAL COARSE (UNC)
Principal Circuitry Type Per FunctINDUCTANCE-CAPACITANCE 3RD RADIO INTERFERENCE THIRD FUNCTION
Maximum Temp Rise85.0 CELSIUS
Operating Voltage Rating And Type115.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
Input Terminal Manufacturer Code23939
Body MaterialMETAL
Maximum Dielectric Withstanding Dc230.0 VOLTS AT SEA LEVEL
Maximum Voltage Drop Per Function1.15 VOLTS AC 4TH RADIO INTERFERENCE FOURTH FUNCTION
Mounting Facility Type And Quantit4 THREADED HOLE(S) ALL FUNCTIONS
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 A-3178B available?
We can source A-3178B 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 A-3178B by Captor obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If A-3178B 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 A-3178B?
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 A-3178B?
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.