Rockwell Automation, Inc. · Electronic Components
CB2721
Resistor, Fixed, Composition
Part NumberCB2721
ManufacturerRockwell Automation, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-076-9663 (NSN)
Federal Item NameRESISTOR,FIXED,COMPOSITION
Federal Supply Class5905 — Resistors
Reliability IndicatorNOT ESTABLISHED
Body Length0.235 INCHES MINIMUM AND 0.265 INCHES MAXIMUM
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Ambient Temp At Full Rated Power70.0 CELSIUS
Power Dissipation Rating In Watts0.250 FREE AIR
Ambient Temp In Deg Celsius At Zer150.0
Terminal Length1.375 INCHES MINIMUM AND 1.625 INCHES MAXIMUM
Body Diameter0.082 INCHES MINIMUM AND 0.098 INCHES MAXIMUM
Cubic Measure0.002 CUBIC INCHES
Style DesignatorAXIAL TERMINAL EACH END
Vendor Part NumbersDEDCB2721, V1051Z3227K
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 CB2721 available?
We can source CB2721 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 CB2721 by Rockwell Automation, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB2721 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 CB2721?
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 CB2721?
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.