SMAJ26CATR Circuit Protection

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Transient Voltage Suppressor (TVS) Diodes provide the ideal solution to protect sensitive electronic equipment from overvoltage and related electrical surge faults. The SMAJ26CATR is TVS Diode designed for overvoltage protection and reliability. It has an operating reverse standoff voltage of 26 Volts and a peak pulse power rating of 1500 Watts.

SMAJ26CATR is suitable for a wide range of applications. It has low typical leakage current and fast response time up to 14.5 volts. This makes the device ideal for transient overvoltage protection in television & broadcasting equipment, computers and peripherals, telecom systems, test & measurement equipment, and consumer electronics. It is also suitable for bipolar, ESD and surge protection in automotive systems.

The SMAJ26CATR is a small, compact diode with an ultra-low capacitance. It comes in a tiny SMA package, making it suitable for high-density PCBs and a wide temperature range of -55°C to +125°C. The device is RoHS compliant and AEC-Q101 qualified.

To understand the working principle of SMAJ26CATR, let’s take a look at an example. For instance, suppose a high voltage surge enters a PCB with an SMAJ26CATR diode. Initially, the excessive potential of the surge will cause the diode to conduct current. However, once the voltage drops below the diode’s threshold, the excess current will cease and the diode will act as a high impedance block. As a result, the current is unable to pass beyond the protected area and the system is safe from harm.

To ensure the optimum performance of the SMAJ26CATR TVS diode, proper board level layout techniques should be employed. This will help prevent the diode’s reverse-recovery current from causing excessive switching noise in the circuit. Additionally, selection of a suitable decoupling capacitor should also ensure that the diode is able to handle any voltage spikes that may occur.

The SMAJ26CATR is a highly versatile diode that is suitable for a variety of applications. It offers a low breakdown voltage, fast response time, small footprint and low leakage current and is ideal for systems requiring transient overvoltage protection. By applying proper board layout techniques with suitable capacitors, the SMAJ26CATR can provide the highest level of reliability and safety to any system.

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