Microphase Corp. · Electronic Components
R4237
Filter, Low Pass
Part NumberR4237
ManufacturerMicrophase Corp.
AvailabilityAvailable to order — request a quote
Specifications
NSN5915-01-172-6645 (NSN)
Federal Item NameFILTER,LOW PASS
Federal Supply Class5915 — Filters and Networks
Frequency Band Width Per Function300.00 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Style DesignatorRECTANGULAR TERMINAL/TERMINALS ON OPPOSITE SURFACES
Discrimination At Specified Freque2.3 MAXIMUM BLANK LOCATION NOT OTHERWISE SPECIFIED
Functional Terminal Type And Quant4 CONNECTOR, PLUG INPUT-OUTPUT LOCATION NOT OTHERWISE SPECIFIED
Body Length2.540 INCHES NOMINAL
Body Width0.630 INCHES NOMINAL
Insertion Loss At Reference Freque1.5 BLANK LOCATION NOT OTHERWISE SPECIFIED
Voltage Standing Wave Ratio Freque300.0 MEGAHERTZ BLANK LOCATION NOT OTHERWISE SPECIFIED
Body Height1.650 INCHES NOMINAL
Voltage Standing Wave Ratio Per Fu2.0 BLANK LOCATION NOT OTHERWISE SPECIFIED
Vendor Part Numbers435377-1
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 R4237 available?
We can source R4237 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 R4237 by Microphase Corp. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R4237 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 R4237?
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 R4237?
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.