MIL-SPEC · Electronic Components
SG989U
Generator, Signal
Part NumberSG989U
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-708-1954 (NSN)
Federal Item NameGENERATOR,SIGNAL
Federal Supply Class6625 — Test Instruments
Overall Height18.000 INCHES NOMINAL
Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
PhaseSINGLE
Modulator LocationINTERNAL
Current TypeAC
Modulation TypeAM
Overall Width14.500 INCHES NOMINAL
Fixed Frequency Rating0.1 MEGAHERTZ AND 0.5 MEGAHERTZ AND 2.5 MEGAHERTZ
Mounting TypeCABINET
Frequency Range Rating+4.500 TO 120.000 MEGAHERTZ
Calibration Accuracy RatingPORM 20 PERCENT OF FULL SCALE RF LEVEL METER READING
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 SG989U available?
We can source SG989U 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 SG989U by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If SG989U 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 SG989U?
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 SG989U?
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.