JWL21RA1A/U

Illumination Type, Color:	--
Electrical Life:	25,000 Cycles
Mechanical Life:	25,000 Cycles
Operating Temperature:	-25°C ~ 70°C
Panel Cutout Dimensions:	Rectangular - 29.50mm x 20.50mm
Features:	Epoxy Sealed Terminals
Ingress Protection:	Dust Proof
Termination Style:	Solder, Quick Connect - 0.187" (4.7mm)
Mounting Type:	Panel Mount, Snap-In
Illumination Voltage (Nominal):	--
Series:	JW
Actuator Marking:	O I
Color - Actuator/Cap:	Black
Actuator Type:	Concave (Curved)
Voltage Rating - AC:	125V
Current Rating:	16A (AC)
Switch Function:	On-Off
Circuit:	DPST
Part Status:	Active
Packaging:	Bulk

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Rocker Switches

JWL21RA1A/U Application Field and Working Principle

Rocker switches are widely used in electrical appliances, heavy machinery, and control systems, and are commonly found in electronic products due to their low cost and easy usability. The JWL21RA1A/U model is a popular option for rocker switches, due to its small design and low power consumption.The JWL21RA1A/U is a single pole double throw (SPDT) rocker switch that has two types of outputs, connected by a single moveable actuator. This actuator, when switched to its left position, connects the common terminal to output terminal A, while when switched to its right position, connects the common terminal to output terminal B. The common terminal is located between output terminal A and B, and the contact is designed such that when the switch is used in an electronic circuit the output terminal will be connected to the circuit\'s signal wire.In order to keep the cost and power consumption of the device low, the contact is designed for low-power operation. This means that there is usually no additional insulation, so the contact must be dissipated through an external temperature compensating material to ensure a good operating temperature.The most common application field for JWL21RA1A/U is consumer electronics. It can be found in a variety of devices, such as alarm systems, thermostats, security systems, and many other home appliances. It can also be used in industrial applications, such as production line automation and switches, and in hospital equipment, where it can provide the necessary control for medical equipment.The operating temperature range on JWL21RA1A/U is between -40°C and +85°C. This makes it suitable for both indoor and outdoor use. The working principle behind this rocker switch is based on simple physics and logic.When the switch is at its off position, both output terminals logic states remain at 0V. When the switch is switched to its left or right, the output voltage state changes, depending on the position. When it is switched to the left, the voltage at output terminal A will be +2V, while the voltage at output terminal B will be 0V. When it is switched to the right, the output voltage will be reversed, so now the voltage at output terminal A will be 0V, while the voltage at output terminal B will be +2V.The JWL21RA1A/U is an economical and reliable rocker switch that is suitable for a wide variety of applications. Due to its small size, low power consumption, and robust performance, it is a popular choice for those in need of a rocker switch.

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Part Number	Manufacturer	Price	Quantity	Description