Spectrum Control · Electronic Components
MC18A-0.5DB-191
Attenuator, Fixed
Part NumberMC18A-0.5DB-191
ManufacturerSpectrum Control
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-01-464-4528 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Application DesignTRANSMISSION LINE
Rf Signal Attenuation In Decibels0.5
Input Impedance Rating In Ohms50.0
Coaxial Connector Series DesignatiSMA
Surface TreatmentPASSIVATE BODY
Operating Temp Range-65.0 TO 125.0 CELSIUS
Overall Length0.840 INCHES MINIMUM AND 0.880 INCHES MAXIMUM
Output Impedance Rating In Ohms50.0
Overall Diameter0.280 INCHES NOMINAL
Terminal Type And Quantity2 CONNECTOR
Frequency Range0.000 GIGAHERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
ESD/EMICode A — 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 MC18A-0.5DB-191 available?
We can source MC18A-0.5DB-191 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 MC18A-0.5DB-191 by Spectrum Control obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MC18A-0.5DB-191 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 MC18A-0.5DB-191?
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 MC18A-0.5DB-191?
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.