COSEL Co., Ltd.

Q&A(FAQ) How to read the lot number?

1. Description of the Lot Number

<Example 1>

<Example 2>

1. ①Country of Assembly
   

   Blank	Japan
   L	China

2. ②Assembled Year
   

   The last digit of the year(AD) is written for products manufactured in Japan
   The last two digits of the year(AD) are written for products manufactured in China

3. ③Assembled Week
   

   Week number from 1st (1st Jan.) to 52nd (31st Dec.)

4. ④Management Number for Production Line
   

   0001-9999

5. ⑤Factory Code
6. ⑥RoHS Compatibility
   

   R	RoHS Comply
   e	Assembled in lead free soldering process
   Blank	No RoHS Comply