STMicroelectronics

SMBJ28CA-TR

The SMBJ28CA-TR is a transient voltage suppressor (TVS) diode manufactured by STMicroelectronics. It is designed to protect sensitive electronic equipment from voltage transients caused by electrostatic discharge (ESD), inductive load switching, and other sources of electrical overstress.

Description:

The SMBJ28CA-TR is a high-speed, bidirectional TVS diode that provides low-capacitance protection for data and signal lines. It is available in a DO-214AA surface-mount package, which is compact and easy to integrate into printed circuit board (PCB) designs.

Features:

1. Bidirectional protection: The SMBJ28CA-TR offers protection in both forward and reverse directions, making it suitable for applications with bidirectional data or signal lines.
2. Low capacitance: With a typical capacitance of 350 pF (at 1 MHz), the SMBJ28CA-TR is ideal for high-speed data communication lines where signal integrity is crucial.
3. High surge current capability: The device can handle high surge currents, making it suitable for protecting equipment in environments with high levels of electrical stress.
4. Low clamping voltage: The SMBJ28CA-TR has a low clamping voltage, which ensures that the protected device experiences minimal voltage stress during transient events.
5. Wide operating temperature range: The device operates over a temperature range of -65°C to +150°C, making it suitable for a variety of applications in different environmental conditions.

Applications:

1. Data and signal line protection in communication equipment, such as Ethernet, USB, and HDMI interfaces.
2. Protection of sensitive electronic devices from ESD events, such as smartphones, tablets, and laptops.
3. Protection of automotive electronic systems, such as infotainment systems and sensor interfaces.
4. Protection of industrial control systems and medical equipment from electrical transients.
5. Protection of consumer electronics, such as televisions, gaming consoles, and home theater systems.

In summary, the SMBJ28CA-TR from STMicroelectronics is a versatile transient voltage suppressor diode that offers bidirectional protection, low capacitance, and high surge current capability. It is suitable for a wide range of applications, including communication equipment, automotive electronics, industrial control systems, and consumer electronics.