Good solid-state relays typically have the following characteristics:

High reliability: Solid state relays are designed without mechanical components, reducing mechanical failures and wear, thereby improving reliability.

Quick response: Solid state relays have a fast response speed and can complete switching actions in a very short time.

Low power consumption: Solid state relays require less energy during operation, thereby reducing power consumption.

Long lifespan: Due to the absence of mechanical components, solid-state relays have a relatively long lifespan and can withstand a large number of switching cycles.

Anti vibration and anti vibration: The design of solid-state relays enables them to have good resistance to vibration and vibration, making them suitable for applications in harsh environments.

Electrical isolation: Solid state relays achieve electrical isolation between different circuits, helping to prevent signal interference and cross interference.

No arcing: Solid state relays generate almost no arcing during the switching process, thereby reducing interference and losses in the circuit.

Small size: Solid state relays are compact in size and suitable for applications with limited space.

High precision: Solid state relays typically have high precision and stability, making them suitable for applications that require precise control.

Low noise: Solid state relays produce almost no noise during operation, making them suitable for noise sensitive situations.

When selecting solid-state relays, it is necessary to make appropriate choices based on specific application requirements and parameter requirements.