1. You need to know the required load. What are the voltage and current of the switch before 50 nanoseconds of shutdown?

2. How many operations are required during the product lifecycle?

3. What are the size requirements? How much space is required for installation?

4. How to install the product? It can also be understood as the planned packaging form of circuit board components, such as surface mount or direct insertion.

5. Working temperature, distinguishing between indoor and outdoor ordinary application environments, outdoor harsh application environments, and other factors?

6. For some special occasions, a strong breakdown voltage is required.

In summary, the selection of a reed switch requires first confirming parameters such as switch voltage, switch current, service life, packaging form, operating temperature, breakdown voltage, etc.

In the selection stage, various details are carefully considered to ultimately select a highly reliable, cost-effective, and performance compatible reed switch. It is recommended to use several reed switches for lifespan testing in order to make the final selection decision.