1SMA43CAT3

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TVS (Transient Voltage Suppressor) Diodes are one of the most widely used semiconductor components that can effectively limit instantaneous peak voltage and current in the electrical circuit. They are capable of dissipation large amounts of energy during over-voltage or transient conditions. The 1SMA43CAT3 is a popular and widely used TVS Diode which is an ideal device for protecting devices from high or transient voltage spikes caused by lightning, electrical surges, electrostatic discharge and other transient conditions.

The 1SMA43CAT3 is designed to provide superior suppression performance of ESD and transient voltage conditions. It’s a zener diode with high conductance and has low leakage current. It features a 3.3 V breakdown voltage with excellent clamping performance, low capacitance, fast clamping response, and a high peak power dissipation.

This TVS Diode can be used in multiple applications such as in power conditioning, AC/DC power supplies, power cords, mobility applications, handheld devices, communications systems, and power supplies. It can also be used in automotive and industrial applications, including motor control, so it is a versatile diode with a wide range of applications.

The working principle of the 1SMA43CAT3 TVS Diode is based on the Zener Breakdown characteristic. When the applied voltage exceeds the breakdown voltage, it will begin to conduct, allowing the current to flow and limiting the maximum voltage level. The device will quickly suppress any transient or over-voltage spikes, and thus protect the circuit.

The 1SMA43CAT3 also has a fast response time, which reduces the surge current and maintains the functional operation of the system. It will also emit heat during a conduction period, but it has been designed to dissipate heat effectively.

The 1SMA43CAT3 can be easily purchased online or from electrical suppliers, and is also available in a variety of packages and forms to fit any application requirements. The device is also RoHS compliant and is an all-around reliable and cost-effective solution for protection against transient and over-voltage conditions.

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