AV1921D512Q04

Illumination Type, Color:	LED, Yellow
Electrical Life:	50,000 Cycles
Mechanical Life:	500,000 Cycles
Operating Temperature:	-20°C ~ 55°C
Panel Cutout Dimensions:	Circular - 19.20mm Dia
Features:	Spot LED
Ingress Protection:	IP67 - Dust Tight, Waterproof
Termination Style:	Solder Lug
Mounting Type:	Panel Mount, Front
Illumination Voltage (Nominal):	12 VDC
Series:	AV19
Color - Actuator/Cap:	Silver
Actuator Type:	Round, Button, Flush
Voltage Rating - AC:	250V
Current Rating:	3A (AC)
Switch Function:	Off-On
Circuit:	DPST
Type:	Vandal Resistant, Illuminated
Part Status:	Active
Packaging:	Tray

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IntroductionPushbutton switches, also known as push-button switches or buttons, are one of the oldest and most commonly used switching devices. They are used in all types of applications, including consumer electronics, automotive, aerospace and industrial applications. AV1921D512Q04 is a type of push-button switch that is used in various fields and applications. This article will discuss the application field and working principle of the AV1921D512Q04.Application FieldAV1921D512Q04 is a low-profile, single-pole, single-throw (SPST) pushbutton switch that is specifically designed for handheld electronic devices. It is suitable for use in consumer products, automotive dashboards, communication devices, medical and industrial equipment. Its small size and reliable performance make it an ideal choice for applications where space is limited.The AV1921D512Q04 has a wide operating temperature range of -40°C to +85°C and an endurance of over 1 million operations. It is also compliant to UL94 V-0, which means it has passed stringent safety and flammability tests. Furthermore, its SMT (surface mount technology) design allows for easy integration into any device.Working PrincipleThe AV1921D512Q04 switch operates by utilizing a metal plunger that is located in the center of the switch and is connected to a metal actuator. When the actuator is in the depressed state, the plunger is pressed down, causing the circuit to be completed. This creates a change in electric current and allows the switch to be activated. The AV1921D512Q04 uses a contact sleeve that is centered between two metal end caps to make contact with the actuator. When the switch is activated, the sleeve slides down to make contact with the metal end cap, thus completing the circuit. Once the switch has been deactivated, the metal plunger will return to its original position and the sleeve to its original position, breaking the connection and preventing any further electric current flow.Conclusion The AV1921D512Q04 pushbutton switch is an ideal choice for applications where space is limited, as it features a low profile design and a wide operating temperature range. Its 1 million-cycle endurance, UL94 V-0 flame-resistance rating and SMT design make it a reliable and economical choice for various fields and applications. Additionally, its working principle utilizes a metal plunger and contact sleeve to complete or break the connection of an electric circuit.

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