[PREFIX][SERIES][VOLTAGE][SUFFIX]
   |       |       |        |
   |       |       |        +-- Package: N=TO-220, L=TO-262, S=D2PAK, U=IPAK, P=TO-247
   |       |       +-- Voltage class/current identifier
   |       +-- F=Standard, L=Logic Level, FP=Power, FB=Bridge
   +-- IR = International Rectifier legacy

[PKG PREFIX][VOLTAGE][RDS(on)][SERIES][GEN]
     |          |        |       |      |
     |          |        |       |      +-- Generation: 5, 6 (OptiMOS gen)
     |          |        |       +-- N=N-channel, P=P-channel
     |          |        +-- On-resistance in mOhm
     |          +-- Voltage rating (divided by 10)
     +-- Package code (IPP=TO-220, IPB=D2PAK, IPD=DPAK, BSC=SuperSO8)

I[M][PACKAGE][VOLTAGE]R[RDS(on)][GEN]
|  |    |        |       |        |
|  |    |        |       |        +-- M1=Gen 1, M2=Gen 2
|  |    |        |       +-- On-resistance (e.g., R045 = 45mOhm)
|  |    |        +-- Voltage / 10 (120 = 1200V)
|  |    +-- W=TO-247 3pin, Z=TO-247 4pin
|  +-- M = CoolSiC MOSFET technology
+-- I = Infineon

XMC[SERIES][VARIANT]-[PACKAGE][PINS]X[FLASH]-[REV]
     |        |          |      |      |       |
     |        |          |      |      |       +-- Revision (AB, AA)
     |        |          |      |      +-- Flash size in KB
     |        |          |      +-- Pin count
     |        |          +-- T=TSSOP, Q=QFN, F=LQFP
     |        +-- 00, 01, 02, 03, etc.
     +-- 1000 (Cortex-M0), 4000 (Cortex-M4)

// WRONG - "IRF" matches before "IRFP" is checked
if (mpn.startsWith("IRF")) return "IRF";
if (mpn.startsWith("IRFP")) return "IRFP";  // Never reached for IRFP4560!

// CORRECT - Check longer prefixes FIRST
if (mpn.startsWith("IRFP")) return "IRFP";  // Specific series first
if (mpn.startsWith("IRFB")) return "IRFB";  // Specific series first
if (mpn.startsWith("IRFZ")) return "IRFZ";  // Specific series first
if (mpn.startsWith("IRF")) return "IRF";    // General fallback last

// Legacy IRF suffix-based
if (mpn.matches(".*[0-9]N$")) return "TO-220";
if (mpn.matches(".*[0-9]S$")) return "D2PAK";
if (mpn.matches(".*[0-9]L$")) return "TO-262";
if (mpn.matches(".*[0-9]P$")) return "TO-247";

// New prefix-based (OptiMOS/StrongIRFET)
if (upperMpn.startsWith("IPP") || upperMpn.startsWith("SPP")) return "TO-220";
if (upperMpn.startsWith("IPB") || upperMpn.startsWith("SPB")) return "D2PAK";
if (upperMpn.startsWith("IPD") || upperMpn.startsWith("SPD")) return "DPAK";
if (upperMpn.startsWith("IPW") || upperMpn.startsWith("SPW")) return "TO-247";
if (upperMpn.startsWith("IPI") || upperMpn.startsWith("SPI")) return "I2PAK";
if (upperMpn.startsWith("BSC")) return "SuperSO8";
if (upperMpn.startsWith("BSZ")) return "PQFN-3.3x3.3";

// OptiMOS/StrongIRFET (should be added)
registry.addPattern(ComponentType.MOSFET, "^IP[PBDIWTA][0-9].*");
registry.addPattern(ComponentType.MOSFET, "^SP[PBDIW][0-9].*");
registry.addPattern(ComponentType.MOSFET, "^BS[CZKOA][0-9].*");

// XMC Microcontrollers (should be added)
registry.addPattern(ComponentType.MICROCONTROLLER_INFINEON, "^XMC[14][0-9]{3}.*");
registry.addPattern(ComponentType.MCU_INFINEON, "^XMC[14][0-9]{3}.*");

// CoolSiC MOSFETs (should be added)
registry.addPattern(ComponentType.MOSFET_INFINEON, "^IM[WZ][0-9]+R[0-9]+.*");