Cantara/capacitor
.claude/skills/capacitor/SKILL.md
Use when working with capacitor components - adding capacitor patterns, parsing capacitor MPNs, extracting capacitance values, voltage ratings, dielectric types, or package codes from capacitor part numbers.
$ install --global
skillsauthnpx skillsauth add Cantara/lib-electronic-components capacitorInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- capacitor
- description:
- Use when working with capacitor components - adding capacitor patterns, parsing capacitor MPNs, extracting capacitance values, voltage ratings, dielectric types, or package codes from capacitor part numbers.
Capacitor Component Skill
Guidance for working with capacitor components in the lib-electronic-components library.
Supported Manufacturers & Patterns
| Manufacturer | Handler | MPN Patterns | Example |
|--------------|---------|--------------|---------|
| Murata | MurataHandler | GRM..., GCM..., KCA... | GRM188R71H104KA93D |
| Samsung | SamsungHandler | CL10B..., CL21B..., CL31B... | CL10B104KB8NNNC |
| TDK | TDKHandler | CH#..., MLF#... | C1608X5R1C104K |
| Yageo | YageoHandler | CC####... | CC0603KRX7R9BB104 |
| KEMET | KemetHandler | C####... | C0603C104K5RACTU |
| AVX | AVXHandler | TAJ..., TPS..., TCJ... | TAJB106K016RNJ |
| Nichicon | NichiconHandler | UUD..., UPW..., UVR... | UUD1C101MCL1GS |
| Panasonic | PanasonicHandler | ECQ..., EEF..., ECA... | EEEFC1V100P |
ComponentTypes
// Base type
ComponentType.CAPACITOR
// Manufacturer-specific types
ComponentType.CAPACITOR_CERAMIC_MURATA
ComponentType.CAPACITOR_CERAMIC_TDK
ComponentType.CAPACITOR_CERAMIC_SAMSUNG
ComponentType.CAPACITOR_CERAMIC_YAGEO
ComponentType.CAPACITOR_CERAMIC_KEMET
ComponentType.CAPACITOR_CERAMIC_AVX
ComponentType.CAPACITOR_TANTALUM_KEMET
ComponentType.CAPACITOR_TANTALUM_AVX
ComponentType.CAPACITOR_ELECTROLYTIC_PANASONIC
ComponentType.CAPACITOR_ELECTROLYTIC_NICHICON
ComponentType.CAPACITOR_FILM_KEMET
ComponentType.CAPACITOR_FILM_PANASONIC
ComponentType.CAPACITOR_POLYMER_AVX
MPN Structure
Murata GRM Series (MLCC)
GRM 188 R7 1H 104 K A93 D
│ │ │ │ │ │ │ │
│ │ │ │ │ │ │ └── Packaging (D=180mm Reel)
│ │ │ │ │ │ └────── Special code
│ │ │ │ │ └──────── Tolerance (K=±10%)
│ │ │ │ └──────────── Value (104=100nF)
│ │ │ └─────────────── Voltage (1H=50V)
│ │ └────────────────── Dielectric (R7=X7R)
│ └────────────────────── Size (188=0603)
└────────────────────────── Series (GRM=General)
KEMET C Series
C 0603 C 104 K 5R AC TU
│ │ │ │ │ │ │ │
│ │ │ │ │ │ │ └── Packaging (TU=7" Reel)
│ │ │ │ │ │ └───── Termination (AC=Flex)
│ │ │ │ │ └──────── Voltage (5R=50V)
│ │ │ │ └────────── Tolerance (K=±10%)
│ │ │ └────────────── Value (104=100nF)
│ │ └──────────────── Dielectric (C=X7R)
│ └───────────────────── Size (0603)
└─────────────────────── Series
Dielectric Types
| Code | Type | Temp Range | Capacitance Change | |------|------|------------|-------------------| | C0G/NP0 | Class I | -55°C to +125°C | ±30ppm/°C | | X7R | Class II | -55°C to +125°C | ±15% | | X5R | Class II | -55°C to +85°C | ±15% | | Y5V | Class II | -30°C to +85°C | +22%/-82% |
Adding New Capacitor Patterns
- In the manufacturer handler's
initializePatterns():
registry.addPattern(ComponentType.CAPACITOR, "^NEWCAP[0-9]{4}.*");
registry.addPattern(ComponentType.CAPACITOR_CERAMIC_MANUFACTURER, "^NEWCAP[0-9]{4}.*");
- Add to
getSupportedTypes():
types.add(ComponentType.CAPACITOR);
types.add(ComponentType.CAPACITOR_CERAMIC_MANUFACTURER);
Similarity Calculation
CapacitorSimilarityCalculator compares:
- Capacitance value
- Voltage rating
- Dielectric type (C0G, X7R, X5R, etc.)
- Package size
- Tolerance
Common Package Sizes
| Code | Metric | Size (mm) | |------|--------|-----------| | 0402 | 1005 | 1.0 x 0.5 | | 0603 | 1608 | 1.6 x 0.8 | | 0805 | 2012 | 2.0 x 1.25 | | 1206 | 3216 | 3.2 x 1.6 |
Murata Size Codes
| Code | Imperial | |------|----------| | 155 | 0402 | | 188 | 0603 | | 21 | 0805 | | 31 | 1206 | | 32 | 1210 |
Learnings & Quirks
<!-- Record component-specific discoveries, edge cases, and quirks here -->Related Skills
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