20KPA68A-B Circuit Protection

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Transient voltage suppressors (TVS) diodes are a widely-used, efficient, and reliable way of protecting electronic systems from electrical overstress due to surge and short-duration electrical transients. The TVS diodes found in various types of electronic assemblies are specifically designed to protect against voltage transients, avalanche breakdown, or electrostatic discharges (ESD). The specific model of TVS diode in question, the 20KPA68A-B, is a particularly useful component in this context. It is most notably used in the automotive field, industrial control systems, and power supplies.

The function of a TVS diode is to reduce excess voltage transients, typically caused by lightning strikes or other power surges. The diode begins to conduct current when the voltage of the transient exceeds a predetermined level. The diode then acts as a shunt, flowing the voltage away from the rest of the system and thus protecting other components in the circuit.

The 20KPA68A-B in particular is very efficient in terms of its size and features. It has a rated voltage of 68V and a peak pulse power dissipation of 20 kW. The diode also has an operating temperature range from -55°C to 175°C and is rated to survive transient surge voltages up to 10,000V. This makes it particularly adept for applications that are constantly exposed to high energy transients, such as automotive electronics.

The 20KPA68A-B has a relatively small package size of 5 mm x 10 mm, making it easy to install into compact electronic components. In addition, the diode is designed to have a low reverse leakage current, which minimizes the power loss from the circuit. The reverse standing current is also limited to 50uA, allowing it to be used in very sensitive circuits.

The working principle of the 20KPA68A-B is fairly straightforward. When a voltage spike appears in the circuit, the diode quickly responds by shunting the current away from the main circuit, thus preventing damage to other components. The diode can handle peak surge voltages up to 10,000V, which is significantly higher than the operating voltage of other components, thus providing much better protection.

In conclusion, the 20KPA68A-B is an efficient and reliable TVS diode that is perfect for applications in the automotive field, industrial control systems, and power supplies. Its ability to handle high-energy transients and its small size make it especially useful in the automotive industry. Furthermore, its easy installation and low reverse leakage current make it a suitable choice for most sensitive applications.

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