Electro Scientific Industries · Electronic Components
721A
Calibrator, Voltage
Part Number721A
ManufacturerElectro Scientific Industries
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-005-1283 (NSN)
Federal Item NameCALIBRATOR,VOLTAGE
Federal Supply Class6625 — Test Instruments
Overall Width19.500 INCHES NOMINAL
Overall Height14.000 INCHES NOMINAL
Overall Depth12.000 INCHES NOMINAL
Functional DescriptionCALIBRATION OF DC RATIO DEVICES SUCH AS DECADE VOLTAGE DIVIDERS, VOLTBOXES, POTENTIOMETERS, BRIDGE RATIO ARMS, AND UNIVE
ESD/EMICode A — ESD/EMI sensitive item
Precious MaterialGOLD
Unit TypeLEAD COMPENSATOR
Precious Material And LocationBINDING POST SURFACE GOLD
Overall Length7.000 INCHES NOMINAL
Output Voltage Rating0.0 DC VOLTS MINIMUM AND 230.0 DC VOLTS MAXIMUM SINGLE POWER OUTPUT
Output Current Rating0.0 DC MILLIAMPERES MINIMUM AND 2150.0 DC MILLIAMPERES MAXIMUM SINGLE POWER OUTPUT
Electrical Power Source RelationshOPERATING
Cancelled NSN6130-00-992-3383 (cancelled)
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 721A available?
We can source 721A 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 721A by Electro Scientific Industries obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 721A 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 721A?
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 721A?
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.