SA85CA-E3/54 Circuit Protection

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TVS diodes, or Transient Voltage Suppression Diodes, are semiconductor devices designed to protect sensitive electronics from transients - short-term high-voltage electrical events. The SA85CA-E3/54 is a type of TVS diode used to protect circuits from short duration, high-voltage electrical transients.The SA85CA-E3/54 has a maximum reverse working voltage of 5.5 V and maximum repetitive peak reverse voltage of 10 V. Its energy rating is 540 W, and its peak pulse current rating is 1.3 A. It has a reverse leakage current of 5 uA at 10 V. Its capacitance is 3.6 pF at 1 MHz.The working principle of the SA85CA-E3/54 is relatively simple. When a transient event occurs, the voltage across the SA85CA-E3/54 diode increases above its breakdown voltage and triggers the clamp, which in turn causes a large current to flow through the diode. This current then quickly dissipates the transient energy.SA85CA-E3/54 diodes are most commonly used in power supplies, telecommunications, computers and TVS keyboards, automotive, and many other applications. In power supplies, for example, the SA85CA-E3/54 diodes are used to protect sensitive components from overvoltage and overcurrent hazards. In TVS keyboards, the diodes can protect the key switches from inadvertent shorting. In telecommunications equipment, the diodes can provide protection from surges generated by nearby lightning strikes.The SA85CA-E3/54 is designed to protect against both normal and abnormal operating transients. Its capacitive and current ratings make it suitable for use in a variety of applications. It is also mechanically rugged, with a low profile that allows for easy installation.Overall, the SA85CA-E3/54 diode is an effective and reliable solution for protecting sensitive components from transients. Its wide range of applications and features make it a popular choice for many types of systems. Furthermore, its low cost and easy installation process make it an attractive choice for manufacturers.

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