Kt Kingtronics Diodes Package Introduction

22 Jul 2013

MELF/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,
50, 51,53, LL4448 BB241,BB249

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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About

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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