20KPA48CA-B Circuit Protection

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TVS - Diodes are electronic components that are used to protect sensitive components from damage due to transient voltage and over-voltage. They are often referred to as transient voltage suppressors (TVS) or Transient Voltage Suppression (TVS) diodes. The 20KPA48CA-B is a unidirectional Transient Voltage Suppression Diode specifically designed for overvoltage and overcurrent protection.

The 20KPA48CA-B is ideal for applications such as AC line suppression, telephone line protection, data lines protection, and automotive DC/DC converter and AC/DC switched mode power supplies. It is suitable for a wide range of operating voltages, from 8V to 48V, as well as for a wide range of power dissipation, from 75mW to 1200mW. It is capable of suppressing high-energy transients and providing excellent clamping performance.

The 20KPA48CA-B is an ultra-fast junction diode constructed from a silicon-based double planar chip with a low leakage current. It is capable of suppressing transients in both forward and reverse directions, unlike many other transient suppression diodes that can only provide reverse protection. The diode operates in unidirectional mode and provides a low clamping factor for better ESD protection. It has a low capacitance of 1 pF and can handle high surge energy up to 12A per pulse.

The working principle of the 20KPA48CA-B is based on the principle of junction breakdown. When a transient voltage is applied to the diode, the junction potential barrier becomes lower, making it easier for electrons to move across the junction and releasing charge. This charge then reduces the applied voltage until it returns to safe, normal, operating voltage. As the applied voltage varies, the breakdown voltage of the device also changes, limiting the voltage to safe, normal levels.

The 20KPA48CA-B is capable of providing reliable protection against electrical overstress (EOS) in many different applications. It is an ideal solution for high-frequency AC line and telecom line protection, as well as DC/DC converter and AC/DC switched mode power supplies. The device can effectively handle high surge currents and prevent voltage spikes that may damage sensitive components. It also has a low leakage current, making it ideal for data line protection in telecom, automotive, and consumer electronics.

In summary, the 20KPA48CA-B is an excellent choice for transient voltage suppressors (TVS) or Transient Voltage Suppression (TVS) diode applications. It is capable of providing reliable overvoltage and overcurrent protection in many different applications. It provides excellent clamping performance and can handle high surge energy up to 12A per pulse. The diode also has a low leakange current, making it ideal for data line protection in telecom, automotive, and consumer electronics.

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