STMicroelectronics

SMAJ13CA-TR

The SMAJ13CA-TR is a high-power 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 SMAJ13CA-TR is a uni-directional TVS diode with a maximum clamping voltage of 13.0V and a reverse stand-off voltage of 14.0V. It is packaged in an SMA (Surface Mount Adapter) package, which is a surface-mount package with a lead spacing of 2.29mm.

Features:

1. High-power capability: The SMAJ13CA-TR can handle high-energy transients, making it suitable for protecting high-power electronic equipment.
2. Uni-directional operation: The device is designed to conduct current in only one direction, providing protection against positive voltage transients.
3. Low clamping voltage: The maximum clamping voltage of 13.0V ensures that the protected circuit is not subjected to excessive voltage during transient events.
4. Fast response time: The device has a fast response time, typically in the range of a few nanoseconds, which enables it to effectively clamp high-energy transients.
5. High surge current capability: The SMAJ13CA-TR can handle high surge currents, making it suitable for protecting equipment in harsh electrical environments.

Applications:

The SMAJ13CA-TR is commonly used in a variety of applications where high-power transient protection is required. Some of the key applications include:

1. Power supplies: The device can be used to protect power supply lines from voltage transients caused by inductive load switching or other sources.
2. Telecommunications equipment: The SMAJ13CA-TR can protect sensitive telecommunications equipment from ESD and other electrical overstress events.
3. Industrial control systems: The device can be used to protect industrial control systems from voltage transients caused by electrical noise or other disturbances.
4. Automotive electronics: The SMAJ13CA-TR can protect automotive electronic systems, such as infotainment systems and engine control modules, from voltage transients.
5. Test and measurement equipment: The device can be used to protect test and measurement equipment from voltage transients during high-power testing.

In summary, the SMAJ13CA-TR is a high-power TVS diode that offers robust protection against voltage transients in various applications. Its fast response time, low clamping voltage, and high surge current capability make it an ideal choice for protecting sensitive electronic equipment from electrical overstress events.