Emcore LLC · Electronic Components
R2556
Resistor, Fixed, Composition
Part NumberR2556
ManufacturerEmcore LLC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-009-5518 (NSN)
Federal Item NameRESISTOR,FIXED,COMPOSITION
Federal Supply Class5905 — Resistors
Style DesignatorAXIAL TERMINAL EACH END
Terminal Length1.500 INCHES NOMINAL
Ambient Temp In Deg Celsius At Zer150.0
Body Diameter0.090 INCHES NOMINAL
Body Length0.250 INCHES NOMINAL
Reliability IndicatorNOT ESTABLISHED
Power Dissipation Rating In Watts0.250 FREE AIR
Ambient Temp At Full Rated Power70.0 CELSIUS
Terminal TypeWIRE LEAD
Inclosure TypeENCAPSULATED
Electrical Resistance82.000 MEGOHMS
ESD/EMICode B — ESD/EMI sensitive item
MaterialGLASS FIBER AND PLASTIC EPOXY CASE
Cell Quantity12
Plate TypeNEGATIVE AND POSITIVE
Approximate Shelf Life5.0 YEARS
Overall Height2.100 INCHES NOMINAL
Overall Length2.500 INCHES NOMINAL
Overall Width1.400 INCHES NOMINAL
Time Capacity In Hours5.00
Battery ElectrolytePOTASSIUM HYDROXIDE
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 R2556 available?
We can source R2556 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 R2556 by Emcore LLC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If R2556 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 R2556?
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 R2556?
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.