chilisin

# Chilisin Electronics Manufacturer Skill ## MPN Structure Chilisin MPNs follow this structure: ``` [SERIES][SIZE][HEIGHT][TYPE]-[VALUE][TOLERANCE]-[PACK] | | | | | | | | | | | | | +-- Packaging code | | | | | +-- M=20%, K=10%, J=5% | | | | +-- Inductance code | | | +-- Type/shield code | | +-- Height code (SQC only) | +-- 4-digit size code +-- Series (SQC, MHCI, MHCC, CS) ``` ### Example Decoding ``` SQC453226T-100M-N | | | | | | | | | | | | | +-- Packaging (N=Tape/Reel) | | | | | +-- Tolerance (M=+/-20%) | | | | +-- Inductance (100 = 10uH) | | | +-- Type code (T=Shield type) | | +-- Height (26 = 2.6mm) | +-- Size (4532 = 4.5mm x 3.2mm) +-- SQC = Chip Inductor series MHCI0504-1R0M-R8 | | | | || | | | | |+-- Reel option (8) | | | | +-- Reel marker (R) | | | +-- Tolerance (M=+/-20%) | | +-- Inductance (1R0 = 1.0uH) | +-- Size (0504 = 5.0mm x 4.0mm) +-- MHCI = Power Inductor series ``` --- ## Series Reference ### SQC - Chip Inductors | Feature | Description | |---------|-------------| | Type | Multilayer chip inductor | | Pattern | `^SQC[0-9]{4}[0-9]{2}[A-Z]?-?[0-9R]+[A-Z]-?.*` | | Unique | Includes height code after size | ### MHCI - Power Inductors | Feature | Description | |---------|-------------| | Type | Power inductor | | Pattern | `^MHCI[0-9]{4}-?[0-9R]+[A-Z]-?.*` | | Application | High current, low DCR | ### MHCC - Coupled Inductors | Feature | Description | |---------|-------------| | Type | Coupled/dual winding inductor | | Pattern | `^MHCC[0-9]{4}-?[0-9R]+?[A-Z]?-?.*` | | Application | DC-DC converters | ### CS - Ferrite Chip Inductors | Feature | Description | |---------|-------------| | Type | Ferrite chip inductor | | Pattern | `^CS[0-9]{4}-?[0-9R]+?[A-Z]?-?.*` | | Application | EMI filtering | --- ## Inductance Encoding Chilisin uses standard EIA encoding: ### R-Notation (Decimal Point) | Code | Value | Notes | |------|-------|-------| | R10 | 0.10uH (100nH) | R at start | | R22 | 0.22uH (220nH) | R at start | | R47 | 0.47uH (470nH) | R at start | | 1R0 | 1.0uH | R in middle | | 2R2 | 2.2uH | R in middle | | 4R7 | 4.7uH | R in middle | ### 3-Digit Multiplier Code | Code | Value | Calculation | |------|-------|-------------| | 100 | 10uH | 10 x 10^0 | | 101 | 100uH | 10 x 10^1 | | 102 | 1mH | 10 x 10^2 | | 220 | 22uH | 22 x 10^0 | | 221 | 220uH | 22 x 10^1 | | 470 | 47uH | 47 x 10^0 | | 471 | 470uH | 47 x 10^1 | ### Decoding Algorithm ```java // R at start (R10, R22, R47) if (code.startsWith("R") && !code.substring(1).contains("R")) { String digits = code.substring(1); double value = Double.parseDouble("0." + digits); return formatInductance(value); // Returns "100nH" etc. } // R in middle (1R0, 2R2) if (code.contains("R")) { String normalized = code.replace("R", "."); double value = Double.parseDouble(normalized); return formatInductance(value); // Returns "1.0uH" etc. } // 3-digit code if (code.length() >= 3 && code.matches("\\d{3}")) { int mantissa = Integer.parseInt(code.substring(0, 2)); int exponent = Integer.parseInt(code.substring(2, 3)); double microhenries = mantissa * Math.pow(10, exponent); return formatInductance(microhenries); } ``` --- ## Package Size Codes ### Size Code to Dimensions | Code | Dimensions | Notes | |------|------------|-------| | 0504 | 5.0 x 4.0mm | Power inductor | | 0403 | 4.0 x 3.0mm | Power inductor | | 0302 | 3.0 x 2.0mm | Power inductor | | 4532 | 4.5 x 3.2mm | Chip inductor | | 3225 | 3.2 x 2.5mm | Chip inductor | | 2520 | 2.5 x 2.0mm | Chip inductor | | 2016 | 2.0 x 1.6mm | Chip inductor | | 1608 | 1.6 x 0.8mm | Chip inductor | | 1005 | 1.0 x 0.5mm | Chip inductor | | 0603 | 0603 imperial | Small chip | | 0402 | 0402 imperial | Very small | | 0201 | 0201 imperial | Ultra small | --- ## Tolerance Codes | Code | Tolerance | |------|-----------| | J | +/- 5% | | K | +/- 10% | | M | +/- 20% | --- ## Handler Implementation Notes ### Series Extraction ```java // Returns series + size as the full identifier // SQC453226T-100M-N -> "SQC4532" // MHCI0504-1R0M-R8 -> "MHCI0504" Matcher m = SQC_PATTERN.matcher(upperMpn); if (m.matches()) { return m.group(1) + m.group(2); // SQC + size } m = MHCI_PATTERN.matcher(upperMpn); if (m.matches()) { return m.group(1) + m.group(2); // MHCI + size } // Similar for MHCC, CS ``` ### Package Code Extraction ```java // Extract size code and map to dimensions String sizeCode = extractSizeCode(mpn); if (SIZE_CODE_MAP.containsKey(sizeCode)) { return SIZE_CODE_MAP.get(sizeCode); // e.g., "4.5x3.2mm" } return sizeCode; // Return raw code if no mapping ``` ### SQC Height Code SQC series uniquely includes a 2-digit height code: ```java // SQC453226T -> 4532 (size) + 26 (height = 2.6mm) + T (type) Matcher m = SQC_PATTERN.matcher(mpn); if (m.matches()) { String size = m.group(2); // "4532" String height = m.group(3); // "26" = 2.6mm String type = m.group(4); // "T" } ``` --- ## Pattern Details ### SQC Pattern ```java Pattern.compile( "^(SQC)(\\d{4})(\\d{2})([A-Z])?[-]?([0-9R]+)([A-Z])[-]?([A-Z0-9]*)$" ); // Groups: (1)series (2)size (3)height (4)type (5)value (6)tolerance (7)packaging ``` ### MHCI Pattern ```java Pattern.compile( "^(MHCI)(\\d{4})[-]?([0-9R]+)([A-Z])[-]?([A-Z0-9]*)$" ); // Groups: (1)series (2)size (3)value (4)tolerance (5)packaging ``` ### MHCC Pattern ```java Pattern.compile( "^(MHCC)(\\d{4})[-]?([0-9R]+)?([A-Z])?[-]?([A-Z0-9]*)$" ); // Optional value for coupled inductors ``` ### CS Pattern ```java Pattern.compile( "^(CS)(\\d{4})[-]?([0-9R]+)?([A-Z])?[-]?([A-Z0-9]*)$" ); // CS has only 2-letter prefix ``` --- ## Component Types Chilisin products map to: - `INDUCTOR` - All inductor products - `IC` - Also registered for pattern matching compatibility --- ## Common Part Numbers | MPN | Description | |-----|-------------| | SQC453226T-100M-N | 10uH chip inductor, 4.5x3.2mm, 2.6mm height | | MHCI0504-1R0M-R8 | 1.0uH power inductor, 5.0x4.0mm | | MHCC0504-2R2M | 2.2uH coupled inductor, 5.0x4.0mm | | CS0402-R10M | 0.1uH ferrite chip, 0402 | --- ## Related Files - Handler: `manufacturers/ChilisinHandler.java` - Supported types: `INDUCTOR`, `IC` - No manufacturer-specific ComponentType enum entries --- ## Learnings & Edge Cases - **SQC height code**: Unique to SQC series. The 2 digits after size encode height in 0.1mm units (26 = 2.6mm). - **CS prefix is short**: Only 2 letters (CS), unlike others with 3-4 letters (SQC, MHCI, MHCC). - **Dashes are optional**: MPNs may or may not include dashes between fields. Patterns must handle both. - **MHCC value optional**: Coupled inductors may not include a value code in the MPN. - **R at start vs middle**: R10 = 0.10uH, 1R0 = 1.0uH. Different parsing logic needed. - **Package code returns dimensions**: Unlike other handlers, Chilisin handler returns "4.5x3.2mm" format, not imperial code. <!-- Add new learnings above this line -->