SMDA24C-4/TR7 Circuit Protection

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TVS diodes are important components in a wide range of modern electronics applications, helping to protect circuits from voltage faults, excess current and lightning surges. The SMDA24C-4/TR7 is one such device, whose unique construction and design features ensure it offers impressive reliability, performance and accuracy. In this article, we explain what the SMDA24C-4/TR7 is, the applications and working principles for this specific TVS diode.

Overview of SMDA24C-4/TR7

SMDA24C-4/TR7 is a unidirectional 4.8V Transient Voltage Suppressor (TVS) diode made by Semtech Corporation. It is available in a standard SOD-123 package, which features three-pad, bottom-side cooling. The diode is engineered for enhanced surge protection over a wide temperature range, while its surge voltage and stand-off voltage ratings ensure versatility and reliability. The SMDA24C-4/TR7 has an ultra-low capacitance rating of just 0.2 pF, and its reverse breakdown voltage is rated at 4.8 V with a stand-off voltagerating of 5.5 V.

Applications and Working Principles

Applications

The portable and cost-effective SMDA24C-4/TR7 is ideally suited for various applications in the automotive and industrial fields. It is especially effective in transient overvoltage protectors for low-voltage storage, backlighting circuits, memory circuits, and microcontrollers in automotive applications. Moreover, the device is suitable for surge and ESD protection in communication and data transmission applications, where the risk of overvoltage is higher. The SMDA24C-4/TR7 is also extremely useful in consumer electronics, notably for protecting electronic circuits from overdrain.

Working Principles

The SMDA24C-4/TR7 features an impressive reverse stand-off/lag time characteristics. When a surge occurs, the peak voltage on the protected connection is clamped to the diode’s rated stand-off voltage. The diode has an ultra-low capacitance rating, allowing it to respond quickly and accurately to voltage transients, thus ensuring maximum protection for sensitive electronic components.

The device also features reverse leakage current protection; it is constructed with two differentiating networks and two symmetrical diodes working in parallel, ensuring rapid response time and impressive surge protection. The SMDA24C-4/TR7 has an impressive maximum peak pulse power rating of 1150 W (10/1000 μs).

The SMDA24C-4/TR7 is designed for high voltage transient protection up to 700V. It robust construction and wide range of surge voltage protection ensures reliable and superior performance in any application. Its reverse deflective and leakage current protection features give it greater accuracy and flexibility. In addition, its small package size and bottom side cooling make it portable and cost effective.

Conclusion

In conclusion, the SMDA24C-4/TR7 TVS diode is a highly reliable device for surge protection and transient voltage protection over a wide range of applications. It features an impressive range of features, including ultimate surge voltage protection, low capacitance rating and reverse leakage current protection. Moreover, its small size and cost-effectiveness make it a popular choice for automotive and industrial applications.

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