Keysight Technologies Inc. · Electronic Components
741B
Voltage Standard
Part Number741B
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-438-9121 (NSN)
Federal Item NameVOLTAGE STANDARD
Federal Supply Class6625 — Test Instruments
Terminal TypeBANANA JACK
PhaseSINGLE
Functional DescriptionCALIBRATES DIGITAL VOLTMETERS, DIFFERENTIAL VOLTMETERS, POTENTIOMETERS, VOLTAGE DIVIDERS
Unpackaged Unit Weight47.000 POUNDS MAXIMUM
Warm Up Time For Maximum Accuracy60.0
Frequency Rating50.0 HERTZ MINIMUM AND 1000.0 HERTZ MAXIMUM
Output Voltage Rating0.0 VOLTS MINIMUM AND 1000.0 VOLTS MAXIMUM
Unit TypeENCASED
Ac Voltage Rating115.0 VOLTS NOMINAL AND 230.0 VOLTS NOMINAL
Output Accuracy Rating In Percent-0.001 TO 0.001
Overall Height7.000 INCHES NOMINAL
Vendor Part Numbers25-451637-1
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 741B available?
We can source 741B 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 741B by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 741B 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 741B?
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 741B?
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.