SMAJ26A-TP Circuit Protection

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TVS - Diodes SMAJ26A-TP Application Field and Working Principle

Transient voltage suppression (TVS) devices are used in a variety of applications to protect electrical systems and circuit components from damaging voltage transients, such as those caused by lightning or power surges. The SMAJ26A-TP is a TVS diode designed to protect electronic components in automotive applications from surges, high electrostatic discharge (ESD) and electrical fast transients (EFT). The diode is rated for 26V and provides lower leakage current and fast response times.

Application Field

The SMAJ26A-TP is a Transient Voltage Suppressor (TVS) diode that is designed to protect automotive circuits from over-voltage transients caused by electrical power surges, lightning strikes, EFT and ESD. The diode is suitable for various applications including ECU and other control units, power modules and consumer electronics. It is also ideal for applications where ESD and EFT levels are high.

Working Principle

The SMAJ26A-TP diode works by clamping the voltage transients through a combination of capacitively and resistively coupled electric fields. When a surge or transient exceeds the breakdown voltage of the diode, the diode will conduct the transient current until it falls below the reverse breakdown voltage of the diode. This allows the device to limit the voltage across the protected circuit and, in turn, protect the devices connected to it.

The SMAJ26A-TP diode is designed to provide maximum protection against high voltage transients, while minimizing the leakage current through the device. It also has a fast response time and lower capacitance than other TVS devices. This allows the device to react quickly to the transient and provides better protection for the circuit.

Features

The SMAJ26A-TP features:

• Low leakage current
• Low capacitance
• Fast response time
• Reverse breakdown voltage of 26V
• AEC-Q101 qualified

Conclusion

The SMAJ26A-TP TVS diode is a reliable and cost effective device designed to protect automotive circuits from over-voltage transients. Its low leakage current, low capacitance and fast response time make it ideal for applications with high ESD and EFT levels. By using an SMAJ26A-TP diode, designers can ensure that their circuits are properly protected against over-voltage transients, allowing for the circuit to continue operating correctly.

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