SMAJ43HE3/61

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TVS (Transient Voltage Suppressor) diodes are widely used in many challenging applications, such as protecting electrical and electronic components from spikes generated by various sources like lightning and electrical surges. The SMAJ43HE3/61 TVS diode is a bi-directional voltage dependent device designed to protect electronic hardware from voltage transients caused by external electro-magnetic interference. It has a reversible breakdown voltage (VBR) ranging from 12 to 24 volts, making it capable of suppressing any surge up to a maximum 9.0 kilowatt peak power.

The SMAJ43HE3/61 TVS diode operates based on a simple working principle. When an electrical surge passes through the diode’s junction, the diode conducts the surge current to ground. At the same time, the diode’s internal capacitance absorbs the energy of the surge. This prevents the surge current from entering the protected equipment, thus protecting it against overvoltages.

The SMAJ43HE3/61 TVS diode is primarily used for the protection of data and signal lines in automotive, industrial and communications systems. In automotive applications, it is used to protect the main power line, the starter circuit, and various other low-level circuits from unexpected overvoltages, such as those caused by electrical surges. In addition, it is also used as an effective protection against ESD (electrostatic discharge) in computer systems, due to its ability to operate in both the forward and reverse polarities.

The SMAJ43HE3/61 TVS diode is also suitable for use in military and aerospace applications where high reliability and wide temperature ranges are required. In such applications, it is used to protect both digital and analog lines from extreme EMI, and from high intensity electric arcs and sparks that are common during the launch of satellites and other such high power operations. In industrial applications, the SMAJ43HE3/61 TVS diode is used to protect circuits from industrial power line surges and from EMI generated by machines. It is also widely used in telecommunications and networking applications to protect telephone, modem, Ethernet, and other communication systems from EMI.

In conclusion, the SMAJ43HE3/61 Transient Voltage Suppressor diode is a robust, reliable, and economical solution for protecting various electronic circuits from voltage spikes and other unexpected overvoltages. Its bi-directional functionality makes it suitable for use in a wide range of industrial, automotive, military, and telecommunications applications. Furthermore, its wide temperature range operation makes it perfect for use in high temperature environments. All these features make the SMAJ43HE3/61 TVS diode an ideal choice for various protection requirements.

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