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Ray Polarity: pin 1 = +, 2 = - (symbol, footprint and 3D agree); brief and README corrected a203548

CK1E331M-CRF10

ST Semtech · Aluminum Electrolytic Capacitors - SMD · CP_Elec_8x10.5

CK1E331M-CRF10 from ST Semtech, in a CP_Elec_8x10.5. 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 + passive Positive terminal (pad 1 of the CP_ footprint; symbol and 3D mark the + end).
2 - passive Negative terminal.

Key specifications

Parameter Value
Manufacturer ST Semtech
Package CP_Elec_8x10.5
Category Capacitors
Pins 2

Electrical characteristics

Limits from the LCSC catalog entry for this part (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Capacitance 330 µF nominal, catalog attribute (LCSC C129476) catalog
Tolerance -20 20 % catalog attribute (LCSC C129476) catalog
Operating temperature -40 105 °C catalog description (LCSC C129476) catalog

CAD (KiCad official)

  • Symbol: CK1E331M-CRF10
  • Footprint: Capacitor_SMD:CP_Elec_8x10.5
  • 3D model: CP_Elec_8x10.5 (KiCad packages3D, STEP)
  • 3D model files: ck1e331m-crf10-etched.step / ck1e331m-crf10-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ck1e331m-crf10.step / ck1e331m-crf10.glb are the bare package body.

Provenance

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

  • Datasheet: ST Semtech datasheet (3 pp, sha256 41e9b77fa3161fe5, retrieved 2026-11-06, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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