Rockwell Automation, Inc. · Electronic Components
CB3911
Resistor, Fixed, Composition
Part NumberCB3911
ManufacturerRockwell Automation, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-801-0842 (NSN)
Federal Item NameRESISTOR,FIXED,COMPOSITION
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Terminal TypeWIRE LEAD
Body Diameter0.090 INCHES NOMINAL
Ambient Temp At Full Rated Power70.0 CELSIUS
Power Dissipation Rating In Watts0.250 FREE AIR
Body Length0.250 INCHES NOMINAL
Electrical Resistance390.000 OHMS
Resistance Tolerance In Percent-10.000 TO 10.000
Vendor Part NumbersL220421-391, V1051-Z3139-K
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 CB3911 available?
We can source CB3911 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 CB3911 by Rockwell Automation, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB3911 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 CB3911?
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 CB3911?
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.