MIL-SPEC · Electronic Components
CN77U
Attenuator, Fixed
Part NumberCN77U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5985-00-642-4131 (NSN)
Federal Item NameATTENUATOR,FIXED
Federal Supply Class5985 — Antennas and Waveguides
Overall Length2.250 INCHES NOMINAL
Input Impedance Rating In Ohms0.55
Attenuation Accuracy In Decibels-1.00 TO 1.00
Power Rating1.0 WATTS AVERAGE
Output Impedance Rating In Ohms0.55
Mounting MethodTERMINAL
Frequency Range70.000 KILOHERTZ MINIMUM AND 160.000 KILOHERTZ MAXIMUM
Terminal Type And Quantity2 CONNECTOR
Rf Signal Attenuation In Decibels20.0
Schematic Diagram DesignatorUNBALANCED "LL"
Application DesignTRANSMISSION LINE
Cancelled NSN5905-00-603-4237 (cancelled)
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 CN77U available?
We can source CN77U 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 CN77U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CN77U 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 CN77U?
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 CN77U?
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.