Ems Development Corporation · Electronic Components
FA5121B
Filter, Radio Frequency Interfere
Part NumberFA5121B
ManufacturerEms Development Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-00-775-3168 (NSN)
Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Federal Supply Class5915 — Filters and Networks
Functional Terminal Type And Quant1 TAB, SOLDER LUG INPUT FIRST FUNCTION
Operating Voltage Rating And Type28.0 VOLTS AC 1ST RADIO INTERFERENCE FIRST FUNCTION
Operating Current Rating Per Funct3.0 2ND RADIO INTERFERENCE SECOND FUNCTION
Inclosure TypeHERMETICALLY SEALED
Vendor Part NumbersLPH0140, FD15567, PS734900005F001
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 FA5121B available?
We can source FA5121B 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 FA5121B by Ems Development Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If FA5121B 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 FA5121B?
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 FA5121B?
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.