K&L Microwave · Electronic Components
4C45-1090/21.5-0/0
Filter, Low Pass
Part Number4C45-1090/21.5-0/0
ManufacturerK&L Microwave
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-01-412-2906 (NSN)
Federal Item NameFILTER,LOW PASS
Federal Supply Class5915 — Filters and Networks
Reference Frequency Per Function1.09 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Body MaterialMETAL
Frequency Band Width Per Function1.0685 GIGAHERTZ BLANK AND 1.09 GIGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Mounting Facility Type And Quantit4 UNTHREADED HOLE(S) LOCATION NOT OTHERWISE SPECIFIED
Unthreaded Mounting Hole Diameter0.160 INCHES NOMINAL
Overall Length4.360 INCHES NOMINAL
Functional Terminal Type And Quant1 CONNECTOR, RECEPTACLE OUTPUT SECOND FUNCTION
Body Width1.000 INCHES NOMINAL
Source Impedance Rating Per Functi50.0 OHMS BLANK LOCATION NOT OTHERWISE SPECIFIED
Inclosure TypeHERMETICALLY SEALED
Vendor Part Numbers331262-2
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 4C45-1090/21.5-0/0 available?
We can source 4C45-1090/21.5-0/0 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 4C45-1090/21.5-0/0 by K&L Microwave obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4C45-1090/21.5-0/0 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 4C45-1090/21.5-0/0?
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 4C45-1090/21.5-0/0?
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.