Part | RoHS | Manufacturer | Relay Type | Mounting Feature | Relay Action | Relay Function | Coil or Input Supply Type | Reference Standard | Maximum Contact AC Rating (R Load) | Dielectric Strength Between Open Contacts | AC Coil Release Voltage | Relay Form | AC Coil Operate Voltage | Operate Time | Maximum Contact AC Rating (M Load) | Electrical Life | Maximum Contact DC Power Rating (R Load) | Release Time | Insulation Resistance | Coil Power (mW) | Packing Method | Body Length/Diameter | Body Width | Coil Resistance | Sealing | Weight | Maximum AC Coil Current | No. of Terminals | Physical Dimension | End Contact Plating | Body Height | Dielectric Strength Between Coil & Contacts | Maximum Contact DC Rating (R Load) | Maximum Operating Temperature | Maximum AC Contact Current | Maximum DC Coil Current | Maximum AC Coil Voltage | Maximum Contact AC Rating (I Load) | Minimum Operating Temperature | DC Coil Release Voltage | Terminal Finish | Maximum DC Contact Current | Termination Type | Maximum Contact AC Power Rating (M Load) | Nominal Coil Voltage | DC Coil Operate Voltage | Contact Resistance | Input Switching Control Type | End Contact Material | PCB Hole Count | Maximum DC Contact Voltage | Maximum AC Contact Voltage | JESD-609 Code | Terminal Length | Maximum DC Coil Voltage | Maximum Contact AC Power Rating (R Load) | Contact or Output Supply Type |
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Relays are electrical switches that can be controlled by an external signal. They consist of an electromagnetic coil that generates a magnetic field when a current is applied to it, and a set of contacts that are switched by this field. Relays are commonly used to switch high-power loads with low-power control signals, making them useful in a variety of applications such as home automation, industrial control systems, and automotive electronics.
Other function relays include specialized types of relays that are designed for specific applications. For example, solid state relays use semiconductor devices to switch the load, which can provide advantages such as faster switching speeds, higher reliability, and lower power consumption compared to traditional electromechanical relays. Reed relays use magnetic contacts that are enclosed in a hermetically sealed glass tube, making them suitable for applications where high reliability and long life are important.
Other types of relays include latching relays, which can maintain their state even after the control signal is removed; polarized relays, which are designed to operate in a specific direction; and safety relays, which are designed to protect people and equipment from dangerous situations. Some relays also feature built-in features such as timers, counters, and logic functions, allowing them to perform more complex control tasks.