SMF20A-HE3-18

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TVS, or Transient Voltage Suppressors, are a type of diode designed to protect against electrical transients. The SMF20A-HE3-18 is a commonly used TVS diode, perfect for protecting against electrical surges.

The SMF20A-HE3-18 is rated for 18V and has a low capacitance of 2pF. It is designed to provide fast, effective protection against over-voltage and transients on lines up to 18V. The device has a peak pulse power rating of 1500W and a breakdown voltage of 18V. The SMF20A-HE3-18 is also RoHS compliant.

This simple and efficient diode is highly effective at protecting various electronic circuits. It is often used to protect equipment from voltage surges in industrial, automotive, and consumer electronics applications. This makes the SMF20A-HE3-18 an ideal choice for protecting against electrical transients.

The SMF20A-HE3-18 has a relatively simple working principle. Its construction is divided into two parts: the cathode and the anode. The cathode is the midpoint between the anode and the other electrode. It acts as a gatekeeper and allows electrons to flow when the anode is positive with respect to the other electrode. When the anode is negative with respect to the other electrode, the gatekeeper blocks any current from flowing.

The gatekeeper also adjusts the breakdown voltage of the device. The breakdown voltage is the voltage at which the gatekeeper allows electrons to flow, resulting in a current. This current is the TVS diode\'s form of protection. The SMF20A-HE3-18 has a breakdown voltage of 18V, meaning that it offers protection against electrical transients up to this level.

The SMF20A-HE3-18 also has a low capacitance value of 2pF and a peak pulse power rating of 1500W. The low capacitance value ensures that the diode does not interfere with circuitry which has low signal margins. The peak pulse power rating ensures that the diode can handle large voltage spikes without any damage.

The SMF20A-HE3-18 is a reliable and effective TVS diode which can provide excellent protection against electrical transients and surges. Its low capacitance and high peak power rating make it an ideal choice for industrial, automotive, and consumer electronics applications.

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