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Technical Data Sheet
15903H ✓ 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

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 material: PLASTIC CASE, anode_type: SOLID, body_style: W/O MTG FACILITIES, TERMINAL(S) ON ONE END, body_length: 0.390 INCHES MAXIMUM IN, body_diameter: 0.260 INCHES MAXIMUM IN, terminal_length: 0.720 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-097-7021, 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 15903H
NSN: 5910-01-097-7021
FSC: 5910
CAGE: 14433 — ITT SEMICONDUCTORS DIV (USA)
SPECIFICATIONS
materialPLASTIC CASE
anode_typeSOLID
body_styleW/O MTG FACILITIES, TERMINAL(S) ON ONE END
body_length0.390 INCHES MAXIMUM IN
body_diameter0.260 INCHES MAXIMUM IN
terminal_length0.720 INCHES NOMINAL IN
terminal_diameter0.016 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
electrical_polarizationPOLARIZED
nonderated_operating_temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
terminal_surface_treatmentSOLDER
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
NSN5910-01-097-7021
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,ELECTROLYTIC TITLE COMPONENT PN 15903H MFR CAPACITOR,FIXED,ELECTR
KEY FEATURES
TERMINAL TYPE AND QUANTITY: 2 UNINSULATED WIRE LEAD
TOLERANCE RANGE PER SECTION: -20.00 TO 20.00 PERCENT SINGLE SECTION
ELECTRICAL POLARIZATION: POLARIZED
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER: 0.140 INCHES NOMINAL IN
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS: 1.0
TERMINAL DIAMETER: 0.016 INCHES NOMINAL IN
BODY LENGTH: 0.390 INCHES MAXIMUM IN
ANODE TYPE: SOLID
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)
TERMINAL TYPE AND QUANTITY2 UNINSULATED WIRE LEAD
TOLERANCE RANGE PER SECTION-20.00 TO 20.00 PERCENT SINGLE SECTION
ELECTRICAL POLARIZATIONPOLARIZED
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO DIAMETER0.140 INCHES NOMINAL IN
IMPEDANCE AT MINIMUM OPERATING TEMP IN OHMS1.0
TERMINAL DIAMETER0.016 INCHES NOMINAL IN
BODY LENGTH0.390 INCHES MAXIMUM IN
ANODE TYPESOLID
CAPACITANCE VALUE PER SECTION22.000 MICROFARADS SINGLE SECTION
NONDERATED OPERATING TEMP-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
TAG22-16Interchangeable
interchangeable cross-reference
interchangeable
TAG22K16Interchangeable
interchangeable cross-reference
interchangeable
250644C91Interchangeable
interchangeable cross-reference
interchangeable
140091Interchangeable
interchangeable cross-reference
interchangeable
2-11039Interchangeable
interchangeable cross-reference
interchangeable
14009Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 15903H?
15903H is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 15903H?
There are 10 known substitutes for 15903H: TAG22-16, TAG22K16, 250644C91 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 15903H?
15903H is cataloged in the Federal Logistics Information System (FLIS) under NSN 5910-01-097-7021. This indicates validated use in U.S. government and defense supply chains.
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