B72210S0421K131 Circuit Protection

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TVS (Transient Voltage Suppressors) are protective components used to protect sensitive electronic circuits from voltage transients, surges, and spikes. The B72210S0421K131 is a member of the TVS family of devices designed to protect board level circuits from over voltage transients. It is an ultra-low leakage bidirectional overvoltage suppression device which is designed to protect sensitive electronic components against transient overvoltage, including IEC 61000-4-2/-4/-5 lightning and voltage surges and can be used in a wide variety of applications including telecommunications, digital data systems, automotive, consumer electronics, and test and measurement equipment. The device is certified to Automotive Electronics Council’s AEC-Q101 standard for quality assurance.

The B72210S0421K131 is a state-of-the-art Bi-directional Transient Voltage Suppressor (TVS) diode with an operating voltage of 21V. The device provides bi-directional protection and is packaged in an ultra-low profile 2-pin SOT-23 package. The device is available in Uni-directional and Uni-directional reversal polarity versions. The Bi-directional version is suitable for applications where protection of two different voltages is required.

The B72210S0421K131 has an ultra-low VBR and leakage current, which results in excellent ESD protection, transient protection, and low power loss. It features an operating voltage range from -20V to +21V, and an ultra-low maximum VBR of 2.17V. Its ultra-wide clamping voltage range ensures that it can provide protection in a wide range of transient overvoltage conditions.

The B72210S0421K131 works on the principle of voltage clamping. When the overvoltage protection threshold (VBR) is reached, the device cracks or opens, clamping the supply voltage and current to a safe level. This clamping action is instantaneous and prevents damage to sensitive circuity. The device also provides Reverse Polarity Protection which protects against reverse voltage and polarity transients.

The B72210S0421K131 is suitable for a wide range of applications, including computers, consumer electronics, and automotive applications. It is an ideal choice for board-level transient protection in communications and data systems, ATM, escalator systems, etc. It can be used in a wide range of industrial equipment and test and measurement equipment, professional audio and broadcast systems, automotive infotainment systems, etc. It is particularly suitable for applications that require low leakage current and optimized voltage clamping protection.

In summary, the B72210S0421K131 is a state-of-the-art device designed to protect board level circuits from over voltage transients. It is an ultra-low leakage bidirectional overvoltage suppression device which is designed to protect sensitive electronic components. The device provides bi-directional protection and is packaged in an ultra-low profile 2-pin SOT-23 package. It features an operating voltage range from -20V to +21V and an ultra-low maximum VBR of 2.17V. The device is suitable for a wide range of applications including computers, consumer electronics, automotive applications, industrial equipment, and professional audio and broadcast systems. It is an ideal choice for board-level transient protection in a wide variety of applications.

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