MIL-SPEC · Electronic Components
MFB155
Resistor, Fixed, Wire Wound
Part NumberMFB155
ManufacturerMIL-SPEC
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-191-4935 (NSN)
Federal Item NameRESISTOR,FIXED,WIRE WOUND
Federal Supply Class5905 — Resistors
Resistance Tolerance In Percent-0.500 TO 0.500
Test Data Document81349-MIL-R-29 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA
Ambient Temp In Deg Celsius At Zer110.0
Inclosure TypeENCAPSULATED
Terminal TypeFERRULE
Reliability IndicatorNOT ESTABLISHED
Body Length5.250 INCHES MINIMUM AND 5.312 INCHES MAXIMUM
Power Dissipation Rating In Watts1.500 FREE AIR
Ambient Temp At Full Rated Power85.0 CELSIUS
Terminal Length0.500 INCHES MINIMUM AND 0.532 INCHES MAXIMUM
Body Diameter1.125 INCHES MINIMUM AND 1.157 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 MFB155 available?
We can source MFB155 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 MFB155 by MIL-SPEC obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MFB155 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 MFB155?
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 MFB155?
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.