SMA5J15-E3/61

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The SMA5J15-E3/61 is a TVS – Diode, a special component used in electrical and electronics engineering. TVS stands for transient voltage suppression, and a TVS diode is a protective device designed to protect sensitive electrical components from transients or high-voltage surges.

Essentially, a TVS diode works by providing a very low impedance path for transient current to flow through. In other words, it acts like a shunt across the circuit, allowing transient voltage and current to bypass other devices. When a surge occurs, the TVS diode will absorb the energy, limiting the available pulse, and protect other components in the circuit.

The SMA5J15-E3/61 offers high surge ratings and a wide operating temperature range, making it suitable for use in applications with a variety of power requirements, such as automobiles, industrial electronics, computer equipment, and home appliances. The device also features high temperature operation, making it suitable for high-reliability applications.

As for the working principle of the SMA5J15-E3/61, it is based on the principle of avalanche breakdown. When a reverse voltage is applied across the diode, the electric field becomes strong enough in the space-charge region to cause the electrons to gain enough energy for them to ionize atoms and create electron-hole pairs in the process, resulting in a current surge.

To limit this current surge, the SMA5J15-E3/61 has internal clamping structures and an internal Zener diode that will absorb the energy from the surge. The device also has built-in thermal protection, which prevents it from overloading and burning out.

The SMA5J15-E3/61 is a versatile TVS-Diode that can be used in a variety of applications. Its wide operating temperature range makes it suitable for use in automotive and consumer electronics, and its high surge ratings make it suitable for industrial and high-reliability applications. Its avalanche breakdown principle ensures that energy-surges are properly absorbed, limiting potential damage to other components.

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