Shallcross Inc. · Electronic Components
PR49S18-408
Resistor, Fixed, Wire Wound
Part NumberPR49S18-408
ManufacturerShallcross Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-01-232-5056 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-1.000 TO 1.000
Electrical Resistance1.690 KILOHMS
Terminal Length1.250 INCHES MINIMUM
Style DesignatorAXIAL TERMINAL EACH END
Ambient Temp In Deg Celsius At Zer275.0
Power Dissipation Rating In Watts2.250 FREE AIR
Body Length0.437 INCHES MAXIMUM
Body Diameter0.059 INCHES MINIMUM AND 0.125 INCHES MAXIMUM
Terminal TypeWIRE LEAD
Ambient Temp At Full Rated Power25.0 CELSIUS
Reliability IndicatorNOT ESTABLISHED
Vendor Part Numbers443-1849-408
ESD/EMICode B — 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 PR49S18-408 available?
We can source PR49S18-408 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 PR49S18-408 by Shallcross Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If PR49S18-408 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 PR49S18-408?
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 PR49S18-408?
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.