SMAJ70A-E3/5A Circuit Protection

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The SMAJ70A-E3/5A is an unidirectional surface mount TVS diode developed by the well-known semiconductor producer, ON Semiconductor. It is packaged in the Mini-SMAJ series and provides a low capacitance of only 0.4pF. In addition, this diode has an ultra-fast response to transient overvoltages and provides reliable protection for sensitive electronics.

Because of its low capacitance and fast response, the SMAJ70A-E3/5A is well suited for use in telecommunications devices, mobile devices, computers and other circuits that require a high degree of electrical isolation and surge protection from transient overvoltages.

The SMAJ70A-E3/5A uses a combination of a zener diode and a TVS diode in order to protect sensitive electronics from transient overvoltages. The zener diode provides an avalanche current that ensures reliable protection. The TVS diode features a high peak pulse power rating that helps protect sensitive electronics from transient overvoltages.

In addition to providing reliable protection, the SMAJ70A-E3/5A also offers superior performance when compared to other TVS diodes. It features a low clamping voltage of 8.9V, a breakdown voltage of 5A, and a low junction capacitance of only 0.4pF. All these factors contribute to a high level of protection against transient overvoltages.

In operation, the SMAJ70A-E3/5A uses a combination of a zener diode and a TVS diode to protect sensitive electronics. When an electrical overvoltage occurs, the zener diode provides an avalanche current, while the TVS diode clamps the voltage across the junction of the diode and the sensitive electronics. This combination is more effective than TVS diodes used alone, and provides superior protection against transient overvoltages.

The SMAJ70A-E3/5A is an ideal solution for providing surge protection in applications where reliable protection is essential, such as telecommunications, mobile devices, computers, and other circuits subject to transient overvoltages. With its low capacitance, ultra-fast response, and high peak pulse power rating, the SMAJ70A-E3/5A is well suited for use in these application fields.

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