SMAJ58CA-TR Circuit Protection

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TVS (Transient Voltage Suppressor) diodes are an electronic component that helps protect circuits from damage due to overvoltage conditions (electrical surges, electrostatic discharges, and lightning strikes).

The SMAJ58CA-TR is a 5.8 Volt, 500 Watt Uni-directional TVS Diode designed specifically for the protection of sensitive electronic components and equipment from electrostatic discharges (ESD), and power cross/surge events. This device features a minimal working voltage of 5.8V, a wide operating junction temperature range (-65°C to +150°C), and a low clamping voltage of 8.3V.

The SMAJ58CA-TR is typically used in applications such as consumer electronics, aerospace/avionics, medical, industrial, automotive, and other industries that require reliable and robust transient protection. It is suitable for a variety of applications, including serial data interfaces, power supplies, and interconnects.

The SMAJ58CA-TR works by drawing a current during an overvoltage event. This causes the voltage clamp to open, which limits the voltage rise to the breakdown voltage of the device. This prevents further damage to the protected circuit and component by keeping the voltage below the specified clamping voltage.

The SMAJ58CA-TR features a bidirectional configuration, meaning it can be used to protect against overvoltage events in either direction. The device uses a metal-oxide-semiconductor (MOS) structure enhancement layer to improve transient response and reduce leakage current. The enhanced design of the MOS structure helps reduce component size, while also increasing protection capability.

The SMAJ58CA-TR is available in a variety of sizes and packages, including a slim version that is designed to save space in high-reliability applications. The device is also RoHS compliant and tested under IEC 61000-4-2 (ESD) and IEC 61000-4-4 (lightning) transient testing. Additionally, this TVS diode is designed to be capable of absorbing a multiple number of ESD strikes.

In summary, the SMAJ58CA-TR is a uni-directional 5.8V 500W TVS diode designed to protect sensitive components and circuitry from overvoltage conditions such as ESD, lightning strikes, and power surges. Its wide operating junction temperature range, low clamping voltage, and bidirectional configuration makes it suitable for a variety of applications including consumer electronics, aerospace/avionics, automotive, and medical.

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