Requests regarding use

Warranty range

The products sold in this online store (hereinafter referred to as “products”) are of the same quality as products manufactured for the purpose of being incorporated into electrical products, but are sold without warranty of durability and traceability. Intended for customers who need small quantities of resistors for personal use or for prototyping. Please be sure to use it under the supervision of the customer.
If you want to use it for mass production, please make a separate contract and purchase it from our sales representative.

The performance of the product is the value at the time of delivery, and we do not guarantee the performance when it is incorporated into the customer's circuit. It is the customer's responsibility to confirm suitability for their intended use.

Safety precautions

The time it takes for electronic components to fail depends on the usage environment and usage conditions, and there is a risk of abnormal heat generation, smoke, or fire, as well as disconnection. Please design the product safely so as not to cause personal injury, fire, or other damage due to failure of the product, and do not take your eyes off it while it is energized.

When using our products in electronic circuits, please check the applicable standards, laws, or regulations. Please check the suitability by yourself.
The product cannot be used for purposes where failure or malfunction of the product may cause injury or damage to property.


We are not responsible for any loss of life, body or property caused by the use of our products.
We assume that you agree with your purchase.

Acceptance inspection

After receiving the product, check the performance by measuring the resistance value, etc. Please let us know if you receive a product that is different from your order. We will do our best to send you a replacement as soon as possible.

Warranty period

The warranty period is 6 months after purchase.

Warranty range

Please contact us if you find a product failure or defect during the warranty period. We will promptly respond by sending a replacement product.
However, this does not apply if the product has been stored in an environment where the product may malfunction, such as excessive humidity, temperature, or pressure during the storage period.
In addition, it is limited to before the product is used by incorporating it into an electronic circuit, etc.

In any event, our liability shall not exceed the price of the goods.

usage environment

The products are intended to be used in standard applications and environments for general electronic equipment, and are not designed to be used in special environments.

If the product is used in the following special environment, there is a risk of failure, so the customer should fully check the performance, reliability, safety, etc. before using the product.

1. Use after sealing the resistor with resin, etc.
2. Use in places with a lot of corrosive gas.
3. Use in liquids such as water, oil, chemicals, and organic solvents.
Four. Use the product in an environment where dew condensation occurs.
Five. When using a water-soluble cleaning agent for cleaning after soldering.
6. When installing in close proximity to heat-generating components. 7 Use in environments with strong static electricity.
7. Use in direct sunlight or outdoor exposure environment.

Please understand that we cannot guarantee any defects caused by using the product in the above special environment.
Also, please refrain from incorporating the product into a circuit where a malfunction of the product may cause serious damage such as human life.


Avoid direct sunlight and store in a place without corrosive gas. If possible, please store in a cool, dark place at a temperature and humidity that you can live in.


Please note that if you resell products purchased from this site to a third party and receive any charges from the reseller, you will be responsible for the costs.

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