component

ERS1KM331W25OT

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by adom

AISHI Aihua Group Aluminum Electrolytic Capacitors - Leaded, 插件,D12.5xL25mm. Polarised capacitor: the anode is not yet recorded on this page; see the maker's datasheet.

componentcapacitorsers1km331w25otfactory-2.0.0extractor-text

Not verified yet ERS1KM331W25OT

no verified record on this page yet

Verification log 1 record

6 Nov 2026RayPublished by the parts factory: tier lcsc, 2 pinssuperseded
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ERS1KM331W25OT · CP_Radial_D12.5mm_P5.00mm · 2 pins
  • ✓copper: 2 copper pads, none touching another net
  • ✓datasheet: unpolarised two-terminal part: pins 1 and 2 by library convention, no names to check
  • •distributor (warn): no ['digikey', 'mouser'] number
  • ✓family: CP_Radial_D12.5mm_P5.00mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-yx56r023/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 2 pins = 2 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 2 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ ers1km331w25ot.kicad_sym✓ ers1km331w25ot.kicad_mod✓ ers1km331w25ot.step
Retired by Ray on 11 Nov 2026: Retired: this check called a polarised capacitor an unpolarised two-terminal part. Fixed in component-page-verify 0.5.13 (an unrecorded polarity now fails) and 0.5.14 (the datasheet row no longer says unpolarised).
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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

ERS1KM331W25OT

AISHI Aihua Group · Aluminum Electrolytic Capacitors - Leaded · CP_Radial_D12.5mm_P5.00mm

ERS1KM331W25OT from AISHI Aihua Group, in a CP_Radial_D12.5mm_P5.00mm. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Terminal 1 of a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing.
2 2 passive Terminal 2 of a POLARISED capacitor (Capacitors / Aluminum Electrolytic Capacitors - Leaded). Which terminal is the anode (+) is not yet recorded on this page: read it from the maker's datasheet before placing.

Key specifications

Parameter Value
Manufacturer AISHI Aihua Group
Package CP_Radial_D12.5mm_P5.00mm
Category Capacitors
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Capacitance tolerance -20 20 % at 20°C, 120Hz; MPN letter M 7
Endurance 4000 10000 h +105°C; DC voltage plus rated ripple current applied; restored to 20°C 7
Capacitance change (endurance) -20 20 % +105°C endurance; relative to initial value 7
Dissipation factor (endurance) tanδ 200 % +105°C endurance; of the initial specified value 7
Capacitance change (shelf life) -20 20 % +105°C, no load, 1,000 h; restored to 20°C; relative to initial value 7
Dissipation factor (shelf life) tanδ 200 % +105°C, no load, 1,000 h; of the initial specified value 7
Leakage current (shelf life) 200 % +105°C, no load, 1,000 h; of the initial specified value 7
Nominal capacitance C 330 µF at 20°C, 120Hz 7

CAD (KiCad official)

  • Symbol: ERS1KM331W25OT
  • Footprint: Capacitor_THT:CP_Radial_D12.5mm_P5.00mm
  • 3D model: CP_Radial_D12.5mm_P5.00mm (KiCad packages3D, STEP)
  • 3D model files: ers1km331w25ot-etched.step / ers1km331w25ot-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ers1km331w25ot.step / ers1km331w25ot.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: AISHI Aihua Group datasheet (10 pp, sha256 a61f25f568c99985, retrieved 2026-11-06, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF