SMBJ440AE3/TR13

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Transient voltage suppressors (TVS) diodes are a type of electronic components used to protect vulnerable circuits from over-voltage transients, such as lightning and accidental connection to higher voltages. The SMBJ440AE3/TR13 TVS Diode has a low leakage current, high peak pulse power, and a low stand-off voltage. Here are the application fields and working principle of the SMBJ440AE3/TR13 TVS Diode.

Application Fields of SMBJ440AE3/TR13 TVS Diode

The SMBJ440AE3/TR13 TVS diode is designed to protect circuits from high-voltage transients caused by electrostatic discharge (ESD). The device is suitable for surface-mounting and has a 26 V peak pulse power (PPP) and 8.2 V stand-off voltage. It is commonly used in industrial, automotive and telecommunications applications where over-voltage protection is required. Some of its applications include data lines, interface circuits, computer networks, power supply lines, household appliances, and automotive ECUs.

Working Principle of SMBJ440AE3/TR13 TVS Diode

The SMBJ440AE3/TR13 TVS diode is a bidirectional device that works in both directions and can limit both positive and negative transients with its internal zener diodes. It is a voltage-activated device that switches between the specified voltage and current levels. When the voltage or current exceeds the maximum limit, the diode starts conducting, clamping the voltage or current to a safe level and protecting the connected circuit elements.

The SMBJ440AE3/TR13 diode has a low clamping voltage, a high peak pulse current, and a low reverse leakage current. It has a large storage capacitance and can work as both a primary and secondary protection device. The diode is stable over a wide range of temperatures, providing reliable protection from over-voltage transients.

Conclusion

The SMBJ440AE3/TR13 TVS diode is a low-cost, low-leakage and high-peaking device that is designed to provide protection from over-voltage transients for many applications. It has a low stand-off voltage, a high peak pulse current and a low reverse leakage current. The device is suitable for use in many different environments, providing reliable protection against over-voltage transients.

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