Kt Kingtronics Diodes Package Introduction
22 Jul 2013MELF/mini-MELF/LL-34 Package Diodes
The SOD-80 package, also known as mini-MELF, is a small ( glass, sometimes plastic) cylinder with metal ends.
Our Kingtronics mostly use package LL-34. Below information is for your reference.
MELF package: L=4.9mm; D=2.5mm
MINI-MELF (SOD80C): L=3.5mm; D=1.6mm
LL-34: L=3.4mm; D= 1.4mm
Code marked devices:
Marked C2V4 TO C75 BZV55 series 500mW zener diodes (2.4 - 75V), also our BZX55C series, our factory stong zener diode.
The cathode end is indicated by a coloured band.
Some Coloured band marked devices (MELF/SOD-80), it's for your reference.
| CATHODE BAND(S) | Device |
| Black | BAS32, BAS45, BAV105 LL4148, |
| Black Brown | LL4148, LL914 |
| Black Orange | LL4150, BB219 |
| Brown Green | LL300 |
| Brown Black | LL4448 |
| Red | BA682 |
| Red Orange | BA683 |
| Red Green | BA423L |
| Red WHite | LL600 |
| Orange Yellow | LL3595 |
| Yellow | BZV55,BZV80,BZV81 series zeners |
| Green | BAV105, BB240 |
| Green Black | BAV100 |
| Green Brown | BAV101 |
| Green Red | BAV102 |
| Green Orange | BAV103 |
| Grey | BAS81, 82, 83, 85, 86 |
| White | BB219 |
| White Green | BB215 |
Some manufacturers have a generic type coding scheme for MELF and mini-MELF diodes.
That for Vishay/General Semiconductor is shown below:
| CATHODE BAND | Mini MELF Device Type |
| Black | General purpose |
| Yellow | Switching |
| Green | Schottky |
| Blue | Zener |
| CATHODE BAND | MELF Device Type |
| Black | Zener |
| Green | Schottky |
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Kingtronics International Company was established in 1995 located in Dongguan City of China to handle all sales & marketing for factories located in Chengdu, Sichuan and Zhaoqing, Guangdong, China. In 1990, we established the first factory to produce trimming potentiometer and in 1999 we built up new factory in Zhao Qing, Guangdong. Now with around 850 workers, Kingtronics produce trimming potentiometers, dipped tantalum capacitors, multilayer ceramic capacitors, and diode & bridge rectifier. We sell good quality under our brand Kingtronics, and Kt, King, Kingtronics are our three trademarks. All our products are RoHS compliant, and our bridge rectifier have UL approval. Please visit our Products page, you could please download all our PDF datasheet and find cross reference for our Trimming Potentiometer and capacitors.
Tantalum and Ceramic Capacitors Cross Reference ↓ Download
Diodes & Rectifiers List(PDF: 97KB) ↓ Download
Trimming Potentiometer Cross Reference ↓Download
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