B221J3ZQ2

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Rocker switches are commonly used as an actuation means for a variety of electronic or mechanical applications, and for industrial, automotive, and home settings. The popularity of rocker switches is due to their relatively low cost, long life, and easy-to-use operation. The B221J3ZQ2 is one example of a rocker switch, which is a switch that features two electrical contacts that can be opened or closed in a rocking motion. The B221J3ZQ2 is primarily used in applications where frequent cycling or resetting is needed, such as in industrial settings.

The main feature of the B221J3ZQ2 is its rugged, spring return rocker-action, which offers reliability over thousands of cycles. This switch is small enough to fit in even the tightest spaces and is resistant to vibrations, making it ideal for applications with an unstable or pulsing base. The B221J3ZQ2 is formed by combining two sets of contacts and two lever arms in a snap-in style housing. The switch rating is 1A @ 24V DC, and the contact resistance is 50mΩ at 10V DC, 100mΩ at 5V DC.

The main advantages of the B221J3ZQ2 are its high current capacity and its small size. Its size allows it to be used in applications such as portable instruments and audio-visual equipment. Due to its low contact resistance, it is suitable for applications where low contact bounce is required. The switch also features a relatively long lifetime due to its metal-backed contacts, making it suitable for applications that require a durable switch.

The working principle of the B221J3ZQ2 is based on the force applied on the lever arms by an external actuating device such as a button or an actuator. The force pushes the switch forward or backward, which causes the two sets of contacts to make or break an electrical connection. The contacts in the switch may be made of metal or plastic and are designed to be configured for either normally open or normally closed circuits. When the actuating force is removed, the switch will return to its original position due to the spring return feature.

In conclusion, the B221J3ZQ2 is a rocker switch with a rugged, spring return rocker-action and a small size, which makes it suitable for use in a variety of applications. Its main features include a high current capacity, low contact resistance, and a relatively long lifetime. The switch operation is based on the force applied to the lever arms, which closes or opens the contacts. This makes the switch an ideal choice for applications that require a reliable, low-cost switch with frequent cycling or resetting.

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