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Introduction

31A Unidirectional Transient Voltage Suppression Diode (TVS - Diodes) is a device designed to protect electrical components from transients caused by electrostatic discharge, inductive switching or high surge voltages. 41A Series is a 13-pin Surface Mounted (SM), fast switching, and cylindrical package (CA-TR). The series provides a superior protection solution for protection of sensitive circuitry from Electrostatic Discharges (ESD), and also for various types of transients like Electro-magnetic Interferences (EMI’s), Lightning Transients, and Surges.

Application Field

SMCJ13CA-TR is designed to work within a wide variety of applications, which include power supplies, portable devices, AC/DC converters, personal computer systems, high speed telecommunication systems, computers, control systems, medical electronics, digital devices, and many industrial applications.

These diodes are ideal choice for portable device, power supply, computer system, industrial and medical applications looking for utmost protection against overvoltages and transient surges. They are also suitable for an increased power level capability following with a steady increase in a power level environment, where TVS-diodes are also applicable.

Working Principle

The SMCJ13CA-TR TVS - Diodes employ a bi-directional dual-diode structure with circuitry that accommodates both symmetrical and asymmetrical overvoltage conditions. The device provides a generally positive breakdown characteristic that act as protection from surge voltages, ESD, EMI and lightning transients. With bi-directional protection, the device will clamp voltage transients above and below the supply voltage.

As an added feature, the SMCJ13CA-TR TVS - Diodes have a low capacitance structure that can help to reduce EMI potential. The internal structure of the device is designed with an accommodating steady state power ratings of 250W for 10ms and 100W for 1000ms. The device helps to solve transient voltage problems quickly and efficiently.

Conclusion

SMCJ13CA-TR is a versatile TVS - Diodes device which can be used in a wide variety of applications where reliable protection is required. Its bi-directional dual-diode structure is designed to provide protection against surges, EMI’s, lightning transients and ESD. The device also comes with a low capacitance structure which can helps to reduce EMI potential. Additionally, the device offers steady state power ratings of 250W for 10ms and 100W for 1000ms for increased power level capabilities.

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