Lelon Electronics Manufacturer Skill

Lelon Electronics Manufacturer Skill

MPN Structure

Lelon MPNs follow this general structure:

[SERIES]-[CAP_CODE][TOLERANCE][VOLTAGE][TR][PACKAGE]
   |         |         |         |      |      |
   |         |         |         |      |      +-- Package code (0605=6.3x5mm)
   |         |         |         |      +-- TR=Tape and Reel
   |         |         |         +-- Voltage code (1C=16V, 1E=25V)
   |         |         +-- Tolerance (M=20%, K=10%, J=5%)
   |         +-- 3-digit capacitance code (101=100uF)
   +-- Series prefix (VE, VR, VZ, REA, REB, REC, OVZ, OVR)

Example Decoding

VE-101M1CTR-0605
|  |  | | |   |
|  |  | | |   +-- Package: 6.3x5mm
|  |  | | +-- TR = Tape and Reel
|  |  | +-- 1C = 16V
|  |  +-- M = +/​-20% tolerance
|  +-- 101 = 100uF (10 x 10^1)
+-- VE = Low Impedance series

REA221M1CTR-0810
|  |  | | |   |
|  |  | | |   +-- Package: 8x10mm
|  |  | | +-- TR = Tape and Reel
|  |  | +-- 1C = 16V
|  |  +-- M = +/​-20% tolerance
|  +-- 221 = 220uF (22 x 10^1)
+-- REA = Radial Lead series (no hyphen after prefix)

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Series Reference

V-Series (with hyphen)

RE-Series (radial lead, no hyphen)

OV-Series (polymer, with hyphen)

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Voltage Codes

Voltage codes appear after capacitance and tolerance codes.

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Capacitance Codes

Uses 3-digit EIA code for electrolytic capacitors (value in uF):

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Package Codes

Package codes are 4 digits indicating diameter x height in mm (DDLL format):

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Handler Implementation Notes

Pattern Recognition

// V-series with hyphen: VE-, VR-, VZ-
"^VE-[0-9]+.*"  // Low impedance
"^VR-[0-9]+.*"  // Standard
"^VZ-[0-9]+.*"  // High temperature

// RE-series without hyphen: REA, REB, REC
"^REA[0-9]+.*"  // Radial lead A
"^REB[0-9]+.*"  // Radial lead B
"^REC[0-9]+.*"  // Radial lead C

// OV-series with hyphen: OVZ-, OVR-
"^OVZ-[0-9]+.*"  // Polymer Z
"^OVR-[0-9]+.*"  // Polymer R

Package Code Extraction

// Package code is the last 4 digits
// VE-101M1CTR-0605 -> 0605 -> 6.3x5mm

// Steps:
// 1. Check last 4 chars for numeric pattern
// 2. Map DDLL to diameter x height
String lastFour = mpn.substring(mpn.length() - 4);
if (lastFour.matches("[0-9]{4}")) {
    // Decode: 06 = 6.3mm diameter, 05 = 5mm height
}

Series Extraction

// Check prefix to determine series type
if (mpn.startsWith("VE-")) return "VE Low Impedance";
if (mpn.startsWith("VR-")) return "VR Standard";
if (mpn.startsWith("VZ-")) return "VZ High Temperature";
if (mpn.startsWith("REA")) return "REA Radial Lead";  // No hyphen
// etc.

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Replacement Rules

The handler supports these replacement scenarios:

1. VE can replace VR: Low impedance can replace standard (better performance)
2. VZ can replace VR/​VE: High temp can replace standard (wider temp range)
3. OVZ/​OVR can replace VR: Polymer can replace standard (longer life)

Package dimensions must match for any replacement.

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Related Files

• Handler: manufacturers/​LelonHandler.java
• Component types: CAPACITOR
• Supported types: CAPACITOR, IC

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Learnings & Edge Cases

• Hyphen placement: V-series and OV-series use hyphen after prefix (VE-), but RE-series does not (REA)
• Package code position: Always the last 4 digits of the MPN
• Voltage code position: After capacitance (3 digits) and tolerance (1 letter)
• Tolerance codes: M=20% (most common), K=10%, J=5%
• TR suffix: Indicates tape and reel packaging

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