Amphenol · Electronic Components
21-900247-1
Filter, Radio Frequency Interfere
Part Number21-900247-1
ManufacturerAmphenol
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-01-208-0357 (NSN)
Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Federal Supply Class5915 — Filters and Networks
Operating Temp Range-55.0 TO 125.0 CELSIUS
Overall Length2.360 INCHES MINIMUM AND 2.390 INCHES MAXIMUM
Body Surface TreatmentCADMIUM
Maximum Voltage Drop Per Function5.0 MILLIVOLTS DC BLANK ALL FUNCTIONS
Body MaterialALUMINUM
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) ALL FUNCTIONS
Operating Current Rating Per Funct0.3 BLANK ALL FUNCTIONS
Inclosure TypeENCASED
Functional Terminal Type And Quant1 PIN GROUND AND 3 PIN INPUT-OUTPUT ALL FUNCTIONS
Style DesignatorROUND TERMINAL/TERMINALS ON OPPOSITE SURFACES
Overall Width1.495 INCHES MINIMUM AND 1.515 INCHES MAXIMUM
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 21-900247-1 available?
We can source 21-900247-1 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 21-900247-1 by Amphenol obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 21-900247-1 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 21-900247-1?
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 21-900247-1?
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.