LNBTVS3-220 Circuit Protection

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LNBTVS3-220 is a type of Transient Voltage Suppressor (TVS) diode which offers a solution for protecting high speed electronic components from voltage transients. TVS diodes are semiconductor devices designed to absorb and dissipate transient energy due to over-voltage and electrostatic discharge (ESD) events. They are widely used for protecting integrated circuits, transmission lines, and other sensitive electronic components against damaging levels of voltage.

The LNBTVS3-220 is an ultra-low profile TVS diode, designed to offer a fast response time and low ESD protection. The device features a low clamping voltage of 3.3V, a peak pulse power rating of 1.5kW, and an operating temperature range of -55°C to +150°C. The LNBTVS3-220 is to be used for ESD protection in high-speed digital applications such as USB ports, HDMI connectors, and Ethernet ports. It is available in a 3-pin SOT-23 package.

The working principle of TVS diodes is based on avalanche breakdown. When a high voltage transient exceeds the breakdown voltage of the diode, an avalanche is triggered which causes the device to quickly switch from its off-state to its on-state. As it is in the on-state, the diode will absorb the voltage surge and then return to its original state. By absorbing the surge, the device will prevent damaging levels of voltage from reaching the protected components.

The LNBTVS3-220 is a bidirectional TVS diode, meaning it can be used to protect sensitive equipment against both positive and negative voltage transients. The device has a maximum VBR of 11.3V (9.2V uni-directional) and an ultra-fast response time of <20ps. The low clamping voltage of 3.3V makes the device ideal for protecting small voltage components such as digital logic gates and microcontrollers.

TVS diodes such as the LNBTVS3-220 are an essential component in any system that requires protection against voltage transients. The device’s ultra-low profile design and very fast response time make it a perfect fit for protecting sensitive electronic components from damaging over-voltage events.

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