Filter Concepts Incorporated · Electronic Components
SF20
Filter, Radio Frequency Interfere
Part NumberSF20
ManufacturerFilter Concepts Incorporated
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-01-350-2407 (NSN)
Federal Item NameFILTER,RADIO FREQUENCY INTERFERE
Federal Supply Class5915 — Filters and Networks
Inclosure TypeENCAPSULATED
Body Length3.370 INCHES MAXIMUM
Overall Height1.530 INCHES MAXIMUM
Operating Temp Range-10.0 TO 40.0 CELSIUS
Body Surface TreatmentCADMIUM OR NICKEL
Unpackaged Unit Weight1.800 POUNDS NOMINAL
Mounting Facility Type And Quantit4 SLOT LOCATION NOT OTHERWISE SPECIFIED
Load Impedance Per Function50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
Operating Current Rating Per Funct20.0 1ST RADIO INTERFERENCE FIRST FUNCTION
Source Impedance Rating Per Functi50.0 OHMS 1ST RADIO INTERFERENCE FIRST FUNCTION
Maximum Voltage Drop Per Function2.5 VOLTS AC 2ND RADIO INTERFERENCE SECOND FUNCTION
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 SF20 available?
We can source SF20 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 SF20 by Filter Concepts Incorporated obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SF20 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 SF20?
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 SF20?
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.