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1789-1125GP1 — Technical Data Sheet

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— · 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include body_style: BUTTON TYPE, W/MTG TABS, body_length: 0.100 INCHES NOMINAL IN, body_diameter: 0.447 INCHES NOMINAL IN, features_provided: MOUNTING HARDWARE, reliability_indicator: NOT ESTABLISHED, terminal_type_and_quantity: 1 TAB, SOLDER LUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5910-00-162-1345, 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→ 1789-1125GP1
NSN: 5910-00-162-1345
FSC: 5910
CAGE: 79500 — WESTINGHOUSE ELECTRIC CORP (USA)
SPECIFICATIONS
body_styleBUTTON TYPE, W/MTG TABS
body_length0.100 INCHES NOMINAL IN
body_diameter0.447 INCHES NOMINAL IN
features_providedMOUNTING HARDWARE
reliability_indicatorNOT ESTABLISHED
terminal_type_and_quantity1 TAB, SOLDER LUG
tolerance_range_per_section-10.00 TO 10.00 PERCENT SINGLE SECTION
schematic_diagram_designatorELECTRODE(S) GROUNDED TO CASE
capacitance_value_per_section1000.000 PICOFARADS SINGLE SECTION
nonderated_continuous_voltage_rating_and_type_per_section500.0 DC SINGLE SECTION
temp_coefficient_of_capacitance_range_per_section_in_ppm_per_deg_celsius-20.0 TO 100.0 SINGLE SECTION
NSN5910-00-162-1345
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CAPACITOR,FIXED,MICA DIELECTRIC TITLE COMPONENT PN 1789-1125GP1 MFR CAPACITOR,FIXED,MICA D
KEY FEATURES
•
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS: -20.0 TO 100.0 SINGLE SECTION
•
TERMINAL TYPE AND QUANTITY: 1 TAB, SOLDER LUG
•
BODY LENGTH: 0.100 INCHES NOMINAL IN
•
TOLERANCE RANGE PER SECTION: -10.00 TO 10.00 PERCENT SINGLE SECTION
•
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION: 500.0 DC SINGLE SECTION
•
CAPACITANCE VALUE PER SECTION: 1000.000 PICOFARADS SINGLE SECTION
•
BODY STYLE: BUTTON TYPE, W/MTG TABS
•
FEATURES PROVIDED: MOUNTING HARDWARE
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
TEMP COEFFICIENT OF CAPACITANCE RANGE PER SECTION IN PPM PER DEG CELSIUS-20.0 TO 100.0 SINGLE SECTION
TERMINAL TYPE AND QUANTITY1 TAB, SOLDER LUG
BODY LENGTH0.100 INCHES NOMINAL IN
TOLERANCE RANGE PER SECTION-10.00 TO 10.00 PERCENT SINGLE SECTION
NONDERATED CONTINUOUS VOLTAGE RATING AND TYPE PER SECTION500.0 DC SINGLE SECTION
CAPACITANCE VALUE PER SECTION1000.000 PICOFARADS SINGLE SECTION
BODY STYLEBUTTON TYPE, W/MTG TABS
FEATURES PROVIDEDMOUNTING HARDWARE
RELIABILITY INDICATORNOT ESTABLISHED
SCHEMATIC DIAGRAM DESIGNATORELECTRODE(S) GROUNDED TO CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
C101-2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
654-006-18A0-501JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
370CBInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
370CB30UUFP0RM5PCTInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C2718-2-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CB11RE241JInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1789-1125GP1?
1789-1125GP1 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1789-1125GP1?
There are 17 known substitutes for 1789-1125GP1: C101-2, 654-006-18A0-501J, 370CB and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1789-1125GP1?
1789-1125GP1 is cataloged in the Federal Logistics Information System under NSN 5910-00-162-1345. This indicates validated use in U.S. government and defense supply chains.
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Last verified: October 2026