Merrimac Industries · Electronic Components
CSM-20M-12G
Coupler, Directional
Part NumberCSM-20M-12G
ManufacturerMerrimac Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-491-3444 (NSN)
Federal Item NameCOUPLER,DIRECTIONAL
Federal Supply Class5985 — Antennas and Waveguides
Overall Height1.250 INCHES NOMINAL
Power Loss In Decibels20.0
Unit TypeCOAXIAL LINE
Overall Width0.375 INCHES NOMINAL
Design TypeUNIDIRECTIONAL
Overall Length1.000 INCHES NOMINAL
Radio Frequency Rating7.5 HERTZ MINIMUM AND 16.0 GIGAHERTZ MAXIMUM
Vendor Part Numbers2007977-002
ESD/EMICode B — ESD/EMI sensitive item
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 CSM-20M-12G available?
We can source CSM-20M-12G 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 CSM-20M-12G by Merrimac Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CSM-20M-12G 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 CSM-20M-12G?
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 CSM-20M-12G?
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.