Northrop Grumman Systems Corporation · Electronic Components
GD821H3
Mixer Stage, Frequency
Part NumberGD821H3
ManufacturerNorthrop Grumman Systems Corporation
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-166-7941 (NSN)
Federal Item NameMIXER STAGE,FREQUENCY
Federal Supply Class6625 — Test Instruments
Operating Control MethodAUTOMATIC
Attenuation In Decibels36.0
Frequency Per Channel7.0 GIGAHERTZ MINIMUM OPERATING CHANNEL AND 12.4 GIGAHERTZ MAXIMUM OPERATING CHANNEL
Control TypeLOCAL
Circuit Construction TypeSOLID STATE
Basic Shape StyleRECTANGULAR OR SQUARE
Overall Height1.125 INCHES NOMINAL
Inclosure TypeENCASED
Installation DesignMODULE
Environmental ProtectionDUSTPROOF
Overall Length2.875 INCHES NOMINAL
Vendor Part Numbers65A50
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 GD821H3 available?
We can source GD821H3 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 GD821H3 by Northrop Grumman Systems Corporation obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If GD821H3 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 GD821H3?
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 GD821H3?
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.