SMF20A-HM3-08 Circuit Protection

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TVS-diodes provide protection from surges, or transient voltages, by clamping the excess voltage to a safe level. The SMF20A-HM3-08 is a TVS-diode that is specifically designed for high-speed protection from greater than 8kV ESD (electrostatic discharge) surges. Highly reliable and fast acting, it includes a transient clamping circuit with an avalanche diode for high-speed response to overvoltage conditions.

SMF20A-HM3-08 has a low clamping voltage (VCL) of 8V, and a fast response time (trr) of 10 ns. It includes a zener diode, an avalanche diode, and a voltage suppressor that work together to clamp dangerous voltage levels before they can cause damage. The ESD Suppressor is a three-terminal device (anode, cathode and ground) that blocks transients and suppresses unwanted voltage from entering an electrical system.

The SMF20A-HM3-08 is well suited for various applications. It can be used in automotive power electronics, industrial and consumer electronics, and Ethernet and telecom networks. It is also suitable for protecting vulnerable circuits from ESD surges, in automotive engine control, telecommunications, consumer, and many other applications.

The key working principle of a SMF20A-HM3-08 diode is based on its ability to "clamp," or hold, voltage levels above a certain threshold at a safe level. Once the voltage level of an incoming surge reaches the device\'s breakdown voltage, the device activates, quickly clamping the excess voltage to a safe level. This protects the connected circuit and ensures that sensitive components are not damaged by powerful transient voltages. As the transient voltage level drops, the device automatically deactivates and power is restored.

Typically, ESD protection is needed wherever there is a possibility of exposure to dangerously high voltages. The SMF20A-HM3-08 is a highly reliable and fast-acting solution that can provide protection in a wide variety of applications and environments. Its low clamping voltage and fast response time make it a great choice for safeguarding sensitive electronics from Electrostatic Discharge surges.

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