Spectrum Microwave · Electronic Components
SBC490
Switch, Radio Frequency Transmiss
Part NumberSBC490
ManufacturerSpectrum Microwave
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-404-2286 (NSN)
Federal Item NameSWITCH,RADIO FREQUENCY TRANSMISS
Federal Supply Class5985 — Antennas and Waveguides
Rf Maximum Voltage Rating1.5 KILOVOLTS PEAK
Terminal Type And Quantity4 RECEPTACLE, COAXIAL
Unthreaded Mounting Hole Diameter0.169 INCHES NOMINAL
Surface TreatmentENAMEL BODY OUTSIDE SURFACES
Precious MaterialRHODIUM AND SILVER
Insertion Loss In Decibels0.10 SINGLE
Frequency Rating0.0 MEGAHERTZ MINIMUM AND 50.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
Switch TypeTRANSFER
Connector End DesignFEMALE
Minimum Crosstalk Rating In Decibe50.0 SINGLE
Overall Height3.000 INCHES NOMINAL
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 SBC490 available?
We can source SBC490 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 SBC490 by Spectrum Microwave obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SBC490 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 SBC490?
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 SBC490?
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.