Electronic Brazing · Electronic Components
501A
Resistor, Thermal
Part Number501A
ManufacturerElectronic Brazing
AvailabilityAvailable to order — request a quote
Specifications
NSN5905-00-059-9451 (NSN)
Federal Item NameRESISTOR,THERMAL
Federal Supply Class5905 — Resistors
Inclosure TypeENCAPSULATED
Zero Power Resistance At Specified8.0 OHMS FIRST RESISTANCE-TEMPERATURE POINT
Temp Points For Resistance Reading15.6 CELSIUS FIRST RESISTANCE-TEMPERATURE POINT
Resistance Tolerance At A Specifie-15.0 TO 15.0 ALL RESISTANCE-TEMPERATURE POINTS
Reliability IndicatorNOT ESTABLISHED
Test Data Document81349-MIL-PRF-7790 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE D
Vendor Part Numbers20011-A
Cancelled NSN5905-00-575-1314 (cancelled)
ESD/EMICode B — ESD/EMI sensitive item
Major ComponentsCABLES TO SCOPE
Test Type For Which DesignedSEMICONDUCTOR CURVE TRACER
Depth9.000 INCHES NOMINAL
Operating Test CapabilityMETER RANGE 0 TO 100 VOLTS DC
Width10.000 INCHES NOMINAL
Height4.000 INCHES NOMINAL
Enclosure FeatureSINGLE ITEM W/HOUSING
Overall Length19.000 INCHES NOMINAL
Output Voltage Rating0.0 DC VOLTS MINIMUM AND 2130.0 DC VOLTS MAXIMUM SECOND POWER OUTPUT
Output Current Rating2500.0 DC AMPERES NOMINAL FIRST POWER OUTPUT
Overall Width17.000 INCHES NOMINAL
Overall Height7.000 INCHES NOMINAL
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 501A available?
We can source 501A 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 501A by Electronic Brazing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 501A 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 501A?
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 501A?
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.