PartsTable
Technical Data Sheet
18-33 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include display_type: LIGHT EMITTING DIODE (L.E.D.)., power_source: INTERNAL, indicator_type: DIGITAL DISPLAY, style_designator: HAND-HELD, accuracy_in_percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES, installation_design: HANDHELD. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-306-3590, 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 18-33
NSN: 6145-01-306-3590
FSC: 6145
CAGE: 92194 — BELDEN, INC. (USA)
SPECIFICATIONS
display_typeLIGHT EMITTING DIODE (L.E.D.).
power_sourceINTERNAL
indicator_typeDIGITAL DISPLAY
style_designatorHAND-HELD
accuracy_in_percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
installation_designHANDHELD
operating_voltage_rating_in_volts7.0 DC MINIMUM AND 70.0 DC MAXIMUM
circuit_current_for_which_designedDC
part_name_assigned_by_controlling_agencyM2 DC VOLTMETER
NSN6145-01-306-3590
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 18-33 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
TRACER COLOR: BLACK SECOND TRACER SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLE: ROUND
CROSS SECTION OUTSIDE DIAMETER: 0.083 INCHES NOMINAL IN
TEMP RATING: 105.0 CELSIUS DEGC
STRAND QUANTITY PER CONDUCTOR: 7 SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
MATERIAL: COPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
TRACER COLORBLACK SECOND TRACER SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.083 INCHES NOMINAL IN
TEMP RATING105.0 CELSIUS DEGC
STRAND QUANTITY PER CONDUCTOR7 SINGLE CONDUCTOR
TRACER COLORBLUE FIRST TRACER SINGLE CONDUCTOR
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B33 ASSN STD ALL MATERIAL RESPONSES CORE CONDUCTOR SINGLE CONDUCTOR
MATERIALCOPPER ALLOY 101 OR COPPER ALLOY 102 CORE CONDUCTOR SINGLE CONDUCTOR
VOLTAGE RATING1000.0 MAXIMUM ROOT MEAN SQUARE (RMS) OPERATING VOLTAGE SINGLE CONDUCTOR
SURFACE TREATMENTTIN CORE CONDUCTOR SINGLE CONDUCTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
MIL-W-16878/2Upgraded Successor
successor cross-reference
successor
10049101-21Upgraded Successor
successor cross-reference
successor
NX4824SJUpgraded Successor
successor cross-reference
successor
MILW16878-2Upgraded Successor
successor cross-reference
successor
439-1906-000Upgraded Successor
successor cross-reference
successor
439-1906-00Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 18-33?
18-33 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 18-33?
There are 18 known substitutes for 18-33: MIL-W-16878/2, 10049101-21, NX4824SJ and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 18-33?
18-33 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-01-306-3590. This indicates validated use in U.S. government and defense supply chains.
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