Ohmite Holding · Electronic Components
E300KR31
Resistor, Adjustable
Part NumberE300KR31
ManufacturerOhmite Holding
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-192-2987 (NSN)
Federal Item NameRESISTOR,ADJUSTABLE
Federal Supply Class5905 — Resistors
Ambient Temp In Deg Celsius At Zer340.0
Style DesignatorRADIAL TERMINAL EACH END
Power Dissipation Rating In Watts300.000 FREE AIR
Reactance CharacteristicINDUCTIVE
Body Diameter1.125 INCHES NOMINAL
Terminal TypeTAB, SOLDER LUG
Body Length8.500 INCHES NOMINAL
Inclosure TypeENCASED
Ambient Temp At Full Rated Power40.0 CELSIUS
Terminal Length0.750 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Vendor Part NumbersARR300-031OHMS, 8 1-2P45E0R310HM
ESD/EMICode B — ESD/EMI sensitive item
ProducttraceabilityNo
RohscompliantTBA
IscanonicalY
Hazardousfalse
RohsphthalatescompliantTBA
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 E300KR31 available?
We can source E300KR31 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 E300KR31 by Ohmite Holding obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If E300KR31 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 E300KR31?
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 E300KR31?
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.