SMB10J18AHE3/52

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Transient-voltage-suppression diodes, popularly known as TVS – diodes, are a type of specialty electronic components used for over-voltage protection in a circuit. They come in different configurations and offer various advantages such as high-speed switching, low parasitic capacitance, low leakage current, etc. One such TVS diode is the SMB10J18AHE3/52. This article discuss the application field and working principle of the SMB10J18AHE3/52 TVS diode.

The SMB10J18AHE3/52 is a Double Line to Line DIAC-TVS diode, in SMA package, which is designed to protect two power system lines from high-voltage, high-energy transients. It features unidirectional bidirectional protection, a peak pulse power handling of 600 W, a clamping voltage of 18 V, a series resistance of 0.06Ω, a reverse leak max of 1 μA, a reverse break down voltage min of 12 V, and a switching voltage max of 6V. Due to its high-speed switching, low parasitic capacitance, low leakage current, and its other features, the SMB10J18AHE3/52 TVS diode is ideal for use in a variety of applications such as UPS systems, motor drives, office equipment, medical equipment, LED security lighting, and telecommunication systems.

The working principle of the SMB10J18AHE3/52 TVS diode is based upon its specialized design which enables it to operate in a bidirectional fashion. In other words, the diode is designed to switch quickly when a transient voltage across it reaches a predefined level, and it will switch back to its off-state when the voltage drops back below that level. During operation, the SMB10J18AHE3/52 diode will absorb the high-voltage transients and limit the voltage applied to the circuit, thus protecting it from damage or degrading performance.

In conclusion, the SMB10J18AHE3/52 TVS diode is a high-performance component designed for over-voltage protection in a circuit. It is equipped with features such as high-speed switching, low parasitic capacitance, low leakage current, and unidirectional bidirectional protection capabilities, making it attractive for use in UPS systems, motor drives, office equipment, medical equipment, LED security lighting, and telecommunication systems.

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