SX[SERIES][VARIANT]-[PACKAGE]
   |   |      |        |
   |   |      |        +-- Package (QFN, etc.)
   |   |      +-- Variant (frequency band, features)
   |   +-- Series (127x, 126x, 130x)
   +-- Semtech Transceiver prefix

LR[SERIES][VARIANT]-[PACKAGE]
   |   |      |        |
   |   |      |        +-- Package code
   |   |      +-- Variant (GNSS, features)
   |   +-- Series (1110, 1120, 1121)
   +-- Long Range prefix

[FAMILY][SPEC][PACKAGE]
   |       |      |
   |       |      +-- Package suffix (P=SOT-23, T=SC70)
   |       +-- Clamping voltage/channels
   +-- RCLAMP, SLVU, SM series

SX1276IMLTRT
|  |   |  ||
|  |   |  |+-- T = Tape and Reel
|  |   |  +-- R = Reel packaging
|  |   +-- IMLT = IMLT package
|  +-- 1276 = 868/915 MHz transceiver
+-- SX = Semtech Transceiver

RCLAMP0524P
|     |   |
|     |   +-- P = SOT-23 package
|     +-- 0524 = 5V, 24A clamp
+-- RCLAMP = Rail clamp ESD protection

// Package embedded in MPN suffix
RCLAMP0524P -> P = SOT-23
RCLAMP0524T -> T = SC70

// LoRa transceivers - extract full series (6 chars)
// SX1276IMLTRT -> SX1276
if (upperMpn.startsWith("SX127")) {
    return extractUpToDigitsOrDash(upperMpn, 6);
}

// ESD protection - extract family name
// RCLAMP0524P -> RCLAMP
if (upperMpn.startsWith("RCLAMP")) {
    return "RCLAMP";
}

// Extract from suffix after last hyphen
// SX1262-QFN24 -> QFN-24

// ESD parts encode package in MPN
// RCLAMP0524P -> P -> SOT-23

SX127x family - NOT compatible with SX126x (different API)
SX1261 <-> SX1262 - Compatible (different power output)
SX1262 <-> SX1268 - Compatible for overlapping frequencies
SX1302 <-> SX1303 - Gateway chips, compatible
LR11xx family - Compatible within family

// Same series with different packages are compatible
// SX1261 and SX1262 are compatible (power difference)
// SX1302 and SX1303 are compatible (gateway chips)
// LR11xx series are compatible within family
// Different generations (SX127x vs SX126x) are NOT directly compatible