Keysight Technologies · Electronic Components
4191A
Test Set, Semiconductor Device
Part Number4191A
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-259-8161 (NSN)
Federal Item NameTEST SET,SEMICONDUCTOR DEVICE
Federal Supply Class6625 — Test Instruments
Width425.5 MILLIMETERS NOMINAL
Frequency Rating48.0 HERTZ MINIMUM AND 66.0 HERTZ MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
Depth574.0 MILLIMETERS NOMINAL
Test Type For Which DesignedRF IMPEDANCE; SEMICONDUCTOR MEASUREMENT
Functional DescriptionPERFORMS ANALYSIS OF 14 PARAMETERS WITH 4.5 DIGIT RESOLUTION ACROSS A 1 TO 1000 MHZ FREQ RANGE
Height230.0 MILLIMETERS NOMINAL
Ac Voltage Rating100.0 VOLTS MINIMUM AND 240.0 VOLTS MAXIMUM LOCATION NOT OTHERWISE SPECIFIED
PhaseTWO LOCATION NOT OTHERWISE SPECIFIED
Electrical Power Source RelationshOPERATING
Enclosure FeatureSINGLE ITEM W/HOUSING
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 4191A available?
We can source 4191A 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 4191A by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 4191A 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 4191A?
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 4191A?
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.