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Quality Grade

We prepare the quality grades below to provide customers with the suitable ICs for respective applications.
While the consumer grade is appropriate for most of the consumer products like smartphones, TVs, PCs, etc., some applications require higher levels of quality.
Industrial robots or cooperative robots in the production line of factories, for instance, are often required to meet the high standards of durability against 24-hour operation or wide operating temperature. In those cases, our industrial grade ICs, having passed harsh reliability tests, are highly recommended.
Also, the automotive grade ICs achieve the high quality levels which are required by automotive equipment. The automotive grade is further classified into three quality ranks optimized for the usage, so customers can choose the most suitable products for their applications.

Because the quality and cost is in a trade-off relation, customers should not use products whose quality is much higher than required without any purpose. By establishing various quality standards, we can provide the appropriate products for customers' applications.

Grade Rank Application Quality
Class
Operating Temperature Range Test Temperature Product Traceability
Automotive
Automotive
Rank 1 Safety-critical Parts
(Driving Control System)
R8 -40°C to 125°C
-40°C to 110°C
Low, 25°C, High Sales,
Manufacturing
Rank 2 General Equipment
(Body System)
K -40°C to 125°C Low, 25°C, High
J -40°C to 105°C
H -40°C to  85°C
Rank 3 Accessories A -40°C to 125°C
-40°C to 105°C
-40°C to  85°C
25°C, High
Industrial
Industrial
- Industrial Equipment Y -50°C to 125°C
-50°C to 105°C
-40°C to 125°C
-40°C to 105°C
25°C, High Sales
Consumer
Consumer
- General Electronic Products - -40°C to 125°C
-40°C to 105°C
-40°C to  85°C
25°C Sales

The operating temperature differs by product. Refer to the datasheet for details.
The test items and test temperature differ by products. Refer to the datasheet for details.
When adopting the rank 2 products, choose one from three quality classes of K, J, and H. Only one quality class will be acceptable per product.
Sales Traceability: Capable of tracking the destination of products, etc. by managing the warehousing and shipping data
Manufacturing Traceability: Capable of tracking thesource materials and manufacturing devices of products by managing the data on the production history

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