PartsTable
Technical Data Sheet
7121R ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include body_length: 0.470 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN, body_diameter: 0.170 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN, terminal_type: WIRE LEAD, inclosure_type: ENCAPSULATED, terminal_length: 1.370 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN, style_designator: AXIAL TERMINAL EACH END. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5905-00-538-4950, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 7121R
NSN: 5905-00-538-4950
FSC: 5905
CAGE: 96762 — ELECTRONIC RESEARCH ASSOCIATES INC TRANSPAC POWER SUPPLY DIV (USA)
SPECIFICATIONS
body_length0.470 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
body_diameter0.170 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
terminal_length1.370 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN
style_designatorAXIAL TERMINAL EACH END
electrical_resistance4.700 KILOHMS
reliability_indicatorNOT ESTABLISHED
resistance_tolerance_in_percent-5.000 TO 5.000
ambient_temp_at_full_rated_power40.0 CELSIUS DEGC
power_dissipation_rating_in_watts3.000 FREE AIR
temp_range_of_temp_coefficient_in_deg_celsius-55.0 TO 350.0
NSN5905-00-538-4950
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,FIXED,WIRE WOUND,INDUCT TITLE COMPONENT PN 7121R MFR RESISTOR,FIXED,WIRE WO
KEY FEATURES
ELECTRICAL RESISTANCE: 4.700 KILOHMS
TERMINAL TYPE: WIRE LEAD
RELIABILITY INDICATOR: NOT ESTABLISHED
TERMINAL LENGTH: 1.370 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS: -55.0 TO 350.0
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER: 340.0
AMBIENT TEMP AT FULL RATED POWER: 40.0 CELSIUS DEGC
POWER DISSIPATION RATING IN WATTS: 3.000 FREE AIR
TECHNICAL CHARACTERISTICS (FLIS)
ELECTRICAL RESISTANCE4.700 KILOHMS
TERMINAL TYPEWIRE LEAD
RELIABILITY INDICATORNOT ESTABLISHED
TERMINAL LENGTH1.370 INCHES MINIMUM AND 1.620 INCHES MAXIMUM IN
TEMP RANGE OF TEMP COEFFICIENT IN DEG CELSIUS-55.0 TO 350.0
AMBIENT TEMP IN DEG CELSIUS AT ZERO PERCENT RATED POWER340.0
AMBIENT TEMP AT FULL RATED POWER40.0 CELSIUS DEGC
POWER DISSIPATION RATING IN WATTS3.000 FREE AIR
INCLOSURE TYPEENCAPSULATED
BODY LENGTH0.470 INCHES MINIMUM AND 0.560 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
CW2C1U102FInterchangeable
interchangeable cross-reference
interchangeable
B-W-H1K1W-WWInterchangeable
interchangeable cross-reference
interchangeable
16-000307-077Interchangeable
interchangeable cross-reference
interchangeable
151EInterchangeable
interchangeable cross-reference
interchangeable
562570-272Interchangeable
interchangeable cross-reference
interchangeable
ALBINInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7121R?
7121R is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7121R?
There are 21 known substitutes for 7121R: CW2C1U102F, B-W-H1K1W-WW, 16-000307-077 and 18 more. Substitute compatibility should be verified for your specific system.
Is 7121R still available?
7121R is currently cancelled.
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