SA14CAHA0G Circuit Protection

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TVS - Diodes

TVS (Transient Volatage Suppression) diodes are a type of diode used in electronics to protect equipment from electrostatic discharges and voltage transients. TVS diodes have wide application fields, including protection against lightning, power supply EMI/RFI filtering, and protection of semiconductors. SA14CAHA0G is one of the most popular TVS diodes used for protecting equipment from electrical transients and electrostatic discharges.

Application Field

SA14CAHA0G is a low capacitance, unidirectional voltage clamping TVS diode. It has a very low clamping voltage, making it ideal for use in portable electronics and other low voltage applications. Additionally, it is designed to be compliant with the IEC 61000-4-2 standard for ESD (electrostatic discharge) and can protect up to 10kV. It is also able to absorb transient impulses up to 10A peak, making it suitable for a wide range of applications.

SA14CAHA0G is most commonly used in data communication port protection, such as in USB, RS-232/RS-485, Ethernet, and other serial communication ports. It is an ideal solution for protecting equipment from electrostatic discharges (ESD) and handling voltage transients in entertainment systems, home appliances, automotive systems, and other consumer electronics. It can also be used for transient voltage protection, ground loop isolation, and power supply EMI/RFI filtering.

Working Principle

A typical TVS diode consists of two opposite polarities of semiconductor layer forming the PN junction. When a voltage greater than the breakdown voltage VBR of the diode is applied across the diode, a breakdown current flows through the junction resulting in the current clamped at VBR. This prevents further voltage increase which can damage circuits and equipment.

SA14CAHA0G functions similarly to other TVS diodes, but it operates at a much lower clamping voltage than other devices. It has a very fast response time which allows it to protect circuits from voltage transients and ESD in milliseconds. Additionally, the device\'s design is compliant with the IEC 61000-4-2 standard which ensures the device is able to provide reliable protection against ESD and voltage transients of up to 10kV.

Conclusion

SA14CAHA0G is a popular TVS diode used to protect equipment from electrostatic discharges (ESD) and voltage transients. It is designed to be compliant with the IEC 61000-4-2 standard, allowing it to protect up to 10kV. It can also absorb transient impulses up to 10A peak, making it ideal for use in a wide range of applications including data communication port protection, transient voltage protection, ground loop isolation, and power supply EMI/RFI filtering. The device\'s low clamping voltage and fast response time make it a comprehensive solution for protecting equipment from voltage transients.

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