SMCJ188A-M3/57T

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TVS diodes are a type of semiconductor device that offers electrostatic discharge (ESD) protection for applications such as data lines, power lines, automotive, and consumer electronics. The SMCJ188A-M3/57T from Littelfuse is a unidirectional Transient Voltage Surge Suppressor (TVSS) diode designed to protect sensitive electronic components from external ESD and overvoltage transients.

Application of SMCJ188A-M3/57T

The SMCJ188A-M3/57T is an ideal TVS diode solution for devices that require ESD and transient voltage protection in a variety of applications. It is suitable for consumer electronics products such as portable devices, home entertainment systems, and other applications which require reliable protection from external voltage transients. The SMCJ188A-M3/57T is also well suited for use in automotive applications such as dashboard electronics, infotainment, cameras, and other electronics components that are exposed to harsh environment. Moreover, this diode can be used for protecting data lines in applications such as computer peripherals, networking, and telecommunications devices.

Working Principle of SMCJ188A-M3/57T

The SMCJ188A-M3/57T is a surface-mount unidirectional diode primarily designed for ESD and voltage transient protection. It is based on the P-I-N drop junction technology, which combines the attributes of both Zener and Transient Voltage Suppression (TVS) diodes. When an ESD event or voltage transient occurs, the P-I-N junction of the diode is thought to be ‘forward-biased’, and works like a Zener diode, clamping the voltage down by its built-in breakdown voltage. In comparison to regular Zener diodes, the P-I-N drop technology ensures that the clamping voltage is unaffected by the current flowing through the diode, which makes it a more efficient solution for voltage transient protection.

The SMCJ188A-M3/57T provides superior ESD protection and is designed for high-speed data lines up to 2GHz. It has a ESD protection of ±15kV contact discharge, and a response time of just 1.5ns. Along with excellent ESD protection, the SMCJ188A-M3/57T can also provide transient voltage protection in the range of 5V to 57V for up to 1ms, ensuring reliable protection for a wide range of applications.

Conclusion

The SMCJ188A-M3/57T from Littelfuse is a cost-effective and efficient TVS diode solution for protecting sensitive electronic components from ESD and other voltage transients. It is suitable for use in a wide range of applications, from consumer electronics to automotive systems and data lines. It provides an ESD protection of ±15kV contact discharge, and a 5V to 57V voltage transient protection up to 1ms. The SMCJ188A-M3/57T is a reliable and robust TVS diode solution for protecting sensitive electronics from ESD and transient voltage events.

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