TPSMF4L18A Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Transient Voltage Suppression (TVS) diodes are commonly used in devices and circuits to protect against overvoltage damage. In order to provide effective protection, TVS diodes must be properly selected according to the application requirements. TPSMF4L18A is a TVS diode from STMicroelectronics that is designed for transient voltage protection.

The TPSMF4L18A is a high-performance bidirectional TVS diode suitable for applications such as data lines, ac/dc rectifiers, and power supplies. It is housed in a 4-pin Telecom Flatpack package and has a VBR of 14V to 18V. The device is characterized by a maximum peak pulse power of 9kW with 10/1000μs pulse waveforms, and a maximum working voltage of 14 V. The operating temperature range is -55 °C to 150°C.

The working principle of the TPSMF4L18A relies on its ability to rapidly turn on during transients and conduct the current away from vulnerable components. When an over-voltage occurs, the diode becomes forward biased and starts conducting the current. This reduces the voltage at the positive or negative input by acting as a short circuit. Once the over-voltage condition disappears, the diode turns off and the input voltage returns to its normal level. By conducting away the current, the diode provides a fast and reliable protection against over-voltage events.

The TPSMF4L18A is an excellent choice for applications that require ESD protection. In addition, it provides protection against transients caused by induced lightning, and transients due to EFT/B. It is also suitable for use in signal and power line applications, which require high-speed switching and transient performance.

In summary, the TPSMF4L18A is a high-performance TVS diode designed for transient voltage protection. It is suitable for use in applications such as data lines, ac/dc rectifiers, and power supplies, and provides reliable protection against transient events. It has a VBR of 14 V to 18 V, a peak pulse power rating of 9 kW, and an operating temperature range of -55 °C to 150°C.

The specific data is subject to PDF, and the above content is for reference