STMicroelectronics SMAJ48CA-TR TVS Diode

The SMAJ48CA-TR is a robust transient voltage suppression (TVS) diode from STMicroelectronics, designed to protect sensitive electronic equipment from voltage spikes and transients. This bidirectional TVS diode is specifically engineered to safeguard components in applications where electronic systems are exposed to high transient voltages, which are common in industrial, automotive, telecommunications, and consumer electronics.

Key Features

• Stand-off Voltage: The device has a stand-off voltage of 48V, making it suitable for a wide range of applications that require this level of protection.
• Peak Pulse Power: With its capability to handle 400W (10/1000μs surge) peak pulse power dissipation, the SMAJ48CA-TR ensures reliable protection against high energy transients.
• Clamping Voltage: It provides a clamping voltage of 77.4V, ensuring that any voltage exceeding this threshold is effectively clamped, thus protecting the downstream components from overvoltage damage.
• Package: The device comes in a compact SMA (DO-214AC) package, which is ideal for space-constrained applications.
• Low Leakage Current: It boasts a low leakage current, minimizing power loss and ensuring efficiency in operation.
• Operating Temperature Range: The SMAJ48CA-TR can operate over a wide temperature range from -55°C to +150°C, accommodating various environmental conditions.

Applications

The SMAJ48CA-TR is versatile and can be used in a variety of applications. Some of the common applications include:

• Protection of I/O Interfaces
• Voltage Regulation Modules (VRM)
• Microcontroller-based Equipment
• Power Supply Devices
• Portable Electronics
• Telecommunication Systems

Reliability and Compliance

STMicroelectronics is known for its commitment to quality and reliability. The SMAJ48CA-TR is no exception, as it is produced with the high standards of quality control and assurance that ST is known for. Additionally, the device complies with the RoHS directive, ensuring that it is free from hazardous substances and suitable for use in environmentally sensitive applications.

With its combination of high surge capability, fast response time, and low clamping voltage, the SMAJ48CA-TR from STMicroelectronics is an excellent choice for designers looking to enhance the durability and longevity of their electronic systems.