[SERIES]-[FIELD1]-[FIELD2]-[FIELD3]-[FIELD4][-FIELD5][-FIELD6][-FIELD7]
   |        |        |        |        |
   |        |        |        |        +-- Additional specification fields
   |        |        |        +-- Specification field
   |        |        +-- Specification field (often pin count)
   |        +-- Specification field
   +-- 3-4 digit series number

0906-0-15-20-75-14-11-0
|    | |  |  |  |  |  |
|    | |  |  |  |  |  +-- Plating option
|    | |  |  |  |  +-- Contact material
|    | |  |  |  +-- Force specification
|    | |  |  +-- Stroke specification
|    | |  +-- Force specification
|    | +-- Travel specification
|    +-- Type variant
+-- 0906 = Spring-loaded contact series

310-93-108-41-001000
|   |  |   |  |
|   |  |   |  +-- Additional options
|   |  |   +-- Row configuration
|   |  +-- Pin count (108 pins)
|   +-- Profile specification
+-- 310 = Header series

THT Series: 0906, 0908, 110, 610, 850, 852, 300, 310, 800, 350
SMT Series: 0907, 0965, 0985, 510, 851, 311, 315, 316, 801

// Example: 310-93-108-41-001000
// Pin count = 108 (third field after series)

String[] parts = mpn.split("-");
if (parts.length >= 3) {
    int pinCount = Integer.parseInt(parts[2]);
}

0906-0-15-20-75-14-11-0  vs  0906-0-15-20-75-14-11-1
     ^  ^  ^               ^  ^  ^
     Same travel/force/stroke = Compatible (different plating)

// Mill-Max series is always the first field before the dash
// Example: 0906-0-15-20-75-14-11-0 -> series = "0906"

int firstDash = mpn.indexOf('-');
if (firstDash > 0) {
    String series = mpn.substring(0, firstDash);
    // Validate: should be 3-4 digits
    if (series.matches("[0-9]{3,4}")) {
        return series;
    }
}

// For Mill-Max, "package code" is effectively the mounting type
// Determined by series number, not a suffix

String series = extractSeries(mpn);
if (SERIES_MOUNTING.containsKey(series)) {
    return SERIES_MOUNTING.get(series);  // Returns "THT" or "SMT"
}

// Mill-Max MPNs are ALL numeric with dashes
// General pattern: 3-4 digit series, followed by dash-separated numbers
Pattern GENERIC_PATTERN = Pattern.compile(
    "^([0-9]{3,4})-[0-9]+-[0-9]+-[0-9]+-[0-9]+.*$"
);