Community: Open Component Cards

# Real values, taken from the Adom wiki component page https://wiki.adom.inc/adom/cl21a475kaqnnng
# Every number below is a datasheet limit with its page. The datasheet gives no distribution
# shapes, so each spread is a uniform over the published limit.
card_version: "0.1"
id: occ:capacitor/[email protected]
part:
  manufacturer: "Samsung Electro-Mechanics"
  mpn: "CL21A475KAQNNNG"
  category: capacitor
  description: "4.7 uF, +/-10%, X5R, 25 V, 0805 MLCC"
  package: "0805"
model_files: []
parameters:
  - name: capacitance
    unit: F
    nominal: 4.7e-6
    distribution:
      type: uniform
      applies_to: value
      kind: population
      params: { min: 4.23e-6, max: 5.17e-6 }
      basis: "Datasheet +/-10% (K) tolerance (p.1). Shape not published; uniform over the limit."
      confidence: low
    conditions: { frequency_hz: 1000, ac_vrms: 1.0, bias_v: 0, preconditioning: "150 C for 1 h, then 24 h rest (p.2)" }
    source_refs: [ds1]
  - name: temperature_factor
    unit: "1"
    nominal: 1.0
    distribution:
      type: uniform
      applies_to: value
      kind: epistemic
      params: { min: 0.85, max: 1.15 }
      basis: "X5R: capacitance change within +/-15% from -55 to +85 C (p.2). Only the class limit is published, not a curve."
      confidence: low
    conditions: { temperature_min_c: -55, temperature_max_c: 85 }
    source_refs: [ds1]
  - name: damp_heat_drift
    unit: "1"
    nominal: 0
    distribution:
      type: uniform
      applies_to: value
      kind: population
      params: { min: -0.125, max: 0.125 }
      basis: "Damp heat, 500 h at 40 C and 90 to 95% RH under rated voltage: capacitance change within +/-12.5% (p.2)."
      confidence: low
    source_refs: [ds1]
derivation:
  kind: data
  method: "Datasheet limits only. DC bias derating (product manual p.14) and log-time aging (p.12) are described on the source page but not yet extracted as numbers."
validation:
  maturity: "1.0"
  tested_simulators: []
  comparisons: []
sources:
  - ref: ds1
    kind: datasheet
    uri: "https://wiki.adom.inc/download/aravk/cl21a475kaqnnng/1.0.0/CL21A475KAQNNNG-datasheet.pdf"
    sha256: "f8b95d34c191830fa2bd2d9d90a4ab81d7ae2b17189edfd1ea5b59800adc31ef"
    evidence: "p.1 tolerance, p.2 X5R and reliability table, p.12 aging, p.14 DC bias"
    confidence: high
provenance:
  author: "Adom (wiki.adom.inc), from the adom/cl21a475kaqnnng component page"
  created: "2026-10-13"
  previous_version: null
  signatures: []
license: CC-BY-4.0
notes: "Generated from an existing Adom wiki component page, which already cites each spec to a datasheet page."