STMicroelectronics

SMBJ30CA-TR

The SMBJ30CA-TR is a transient voltage suppressor (TVS) diode manufactured by STMicroelectronics. It is designed to protect sensitive electronic circuits from voltage transients, such as those caused by electrostatic discharge (ESD), inductive load switching, or power supply fluctuations.

Description:

The SMBJ30CA-TR is a high-speed, bidirectional TVS diode with a low capacitance of 50 pF. It is available in a DO-214AA (SMA) package, making it suitable for surface-mount applications. The device has a maximum bidirectional standoff voltage of 37.8 V and a minimum bidirectional breakdown voltage of 40 V.

Features:

1. Bidirectional protection: The SMBJ30CA-TR provides protection in both forward and reverse directions, making it suitable for AC and bidirectional applications.
2. Low capacitance: With a capacitance of only 50 pF, the device is suitable for high-speed data lines and other applications where low capacitance is critical.
3. High surge current capability: The SMBJ30CA-TR can handle high surge currents, making it suitable for protecting circuits from large transient voltages.
4. Robust construction: The device is built with a rugged construction, ensuring reliable performance in various environmental conditions.

Applications:

The SMBJ30CA-TR is commonly used in a wide range of applications, including:

1. Telecommunication equipment: Protecting circuits from voltage transients in telephone lines, modems, and other communication devices.
2. Automotive electronics: Protecting automotive control modules, sensors, and other electronic components from voltage spikes.
3. Industrial control systems: Protecting control circuits from transient voltages caused by inductive load switching or power supply fluctuations.
4. Consumer electronics: Protecting circuits in smartphones, tablets, laptops, and other portable devices from ESD and other voltage transients.
5. Medical equipment: Providing protection for sensitive electronic components in medical devices, such as diagnostic equipment and monitoring systems.

In summary, the SMBJ30CA-TR is a versatile transient voltage suppressor diode that offers bidirectional protection, low capacitance, and high surge current capability. It is widely used in various applications, including telecommunications, automotive electronics, industrial control systems, consumer electronics, and medical equipment, to protect sensitive circuits from voltage transients and ensure reliable performance.