MIL-SPEC · Electronic Components
RB59CE49903D
Resistor, Fixed, Wire Wound
Part NumberRB59CE49903D
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-050-7464 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Electrical Resistance4.990 MEGOHMS
Inclosure TypeENCAPSULATED
Ambient Temp At Full Rated Power125.0 CELSIUS
Body Diameter0.375 INCHES MINIMUM AND 0.562 INCHES MAXIMUM
Power Dissipation Rating In Watts1.250 FREE AIR
Terminal TypeWIRE LEAD
Body Length1.938 INCHES MINIMUM AND 2.062 INCHES MAXIMUM
Test Data Document81349-MIL-R-93 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Ambient Temp In Deg Celsius At Zer145.0
Style DesignatorAXIAL TERMINAL EACH END
Terminal Length1.875 INCHES MINIMUM AND 2.125 INCHES MAXIMUM
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 RB59CE49903D available?
We can source RB59CE49903D 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 RB59CE49903D by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If RB59CE49903D 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 RB59CE49903D?
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 RB59CE49903D?
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.