SM20ML1S18

Series:	Trim Trio® SM/SC-M
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Type:	Stamped
Pin or Socket:	Pin
Contact Termination:	Crimp
Wire Gauge:	20-22 AWG
Contact Material:	Copper Alloy
Contact Finish:	Gold
Contact Finish Thickness:	29.5µin (0.75µm)

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SM20ML1S18: Multi-Purpose Contacts Application and Working Principle

The SM20ML1s18 is a contact switch made from electrical components that are used in a variety of contexts and applications. The switch is a multi-purpose contact switch with 4 different contact types: SPST (Single-pole, Single-throw), SPDT (Single-pole,Double-throw), DPST (Double-pole, Single-throw), and DPDT (Double-pole, Double-throw). The SM20ML1s18 is designed to handle up to 28VDC with a minimum current of 5mA. It also provides a low current consumption making the switch suitable for a wide range of applications such as automotive, industrial/commercial, and home automation.

Design

The SM20ML1s18 is a miniature contact switch designed to provide long life, reliable operation, low power consumption, and high electrical performance in a small package. It is constructed from a durable molded ABS plastic and features a built-in overload protection and a maximum switching current of 1 Amp. All four contact types feature a long life contact rating of 10,000 cycles. The switch features four contact points with four contact types; two are located on the top of the switch, and two are located on the side. It also features an audible click when the switch is activated, making it easy to verify contact engagement. The SM20ML1s18 is designed for vertical or longitudinal installation and includes a mounting hole for secure attachment.

Applications

The SM20ML1s18 is designed for a variety of applications, such as home automation, automotive, industrial/commercial, and gaming systems. It is ideal for use in car alarms, automation systems, cameras, and motion detectors. It can also be used in a variety of industrial/commercial applications. Its small size and low power consumption make it ideal for low profile applications in tight spaces. Additionally, its long life contact rating is perfect for use in high-frequency applications such as gaming systems.

Working Principle

The SM20ML1s18 operates when an electromechanical force is applied to its contact points. These contact points act as switches, allowing or blocking electric current depending on how they’re engaged. The switch will remain closed as long as the force applied is stronger than the force of the internal spring. As soon as the external force is released, the internal spring pushes the two contact points apart, causing the switch to open. The switch will remain in this state until a new force is applied to its contact points. This is the basic working principle of a contact switch.

Conclusion

The SM20ML1s18 is a multi-purpose contact switch designed to provide reliable operation, long life, low power consumption, and high electrical performance. It features four contact types: SPST, SPDT, DPST, and DPDT and can handle up to 28VDC with a minimum current of 5mA. Its low power consumption and miniature size make it ideal for automotive, industrial/commercial, and home automation applications. Additionally, its long life contact rating makes it suitable for high-frequency applications such as gaming systems. The switch is activated when an electromechanical force is applied to its contact points and will remain closed until the external force is released.

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