Keysight Technologies Inc. · Electronic Components
3550B-C15
Test Set, Telephone
Part Number3550B-C15
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-086-4271 (NSN)
Federal Item NameTEST SET,TELEPHONE
Federal Supply Class6625 — Test Instruments
Electrical Power Source RelationshOPERATING
Length19.250 INCHES NOMINAL
Height8.375 INCHES NOMINAL
Test Type For Which DesignedATTENUATION;FREQ RESPONSE; GAIN; VOLTAGE; POWER
Width13.250 INCHES NOMINAL
PhaseSINGLE LOCATION NOT OTHERWISE SPECIFIED
Ac Voltage Rating115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Enclosure FeatureMULTIPLE ITEM W/CARRYING CASE
MaterialALUMINUM CARRYING CASE
Dc Voltage Rating27.0 VOLTS NOMINAL LOCATION NOT OTHERWISE SPECIFIED
Accessory Identifying NumberCY-7047/USM-181B TYPE NO. AND CX-12594/USM-181B TYPE NO. AND CG-3566-U TYPE NO. AND 03550-90003 PART NO.
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 3550B-C15 available?
We can source 3550B-C15 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 3550B-C15 by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 3550B-C15 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 3550B-C15?
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 3550B-C15?
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.