SMBG26AHE3/5B

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TVS (Transient Voltage Suppressors [TVS]) diodes are used in a variety of ways to protect components from overvoltage. The SMBG26AHE3/5B is a unidirectional TVS diode for Automotive, High Energy, and Enhanced Peak Pulse Power applications. By absorbing and dissipating high energy transients during an electrical surge, this diode can help protect components from voltage spikes and provide long-term system reliability.

The SMBG26AHE3/5B TVS diode consists of a PN junction with a total breakdown voltage between 26 and 34 volts (V). The maximum peak pulse current (IPPM) is 6,000 amperes (A) with a rated power dissipation (Pd) of 3.5 watts (W). The avalanche breakdown voltage is 4.3V or higher. The static drain-to-source breakdown voltage (BVdss) is around −8V. The SMBG26AHE3/5B has a low reverse current leakage of less than 1 microamps (μA) at 26V. It also has a current surges ability of 100A above normal working power requirements, making it suitable for high-power applications.

In order to understand the application field of the SMBG26AHE3/5B TVS diode, it is important to first understand the working principle of the diode. TVS diodes work by clamping and diverting voltages above their breakdown voltage. This prevents the voltage from rising and damaging downstream components. When there is a surge in electrical current beyond its specified levels, the diode can absorb the surge and drop it to a safe level, thus protecting components from damage.

The SMBG26AHE3/5B is specifically designed for automotive, high energy, and enhanced peak pulse power applications. Due to its low leakage current and higher power dissipation compare to other TVS diodes, it can be used in power inverters, power doors, power windows, car engine control units, electronic control units, and various other automotive applications. The diode is also capable of protecting high-speed data transmission lines from high-energy transients in computing applications. For example, the SMBG26AHE3/5B diodes can be used in smart phones to prevent damage due to power surges.

The SMBG26AHE3/5B TVS diode is a robust and reliable device for protecting components and providing long-term system reliability. It is also capable of quickly clamping and diverting high transient voltages from damaging components. The diode is particularly suited for applications where high energy transients and power surges are common, such as automotive and computing applications. With its low leakage current, higher power dissipation, and fast clamping response, the SMBG26AHE3/5B is an ideal device for protection.

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