1KSMB16CAHR5G Circuit Protection

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TVS – Diodes, also known as Transient Voltage Suppressors, are used to protect electronic circuits from voltage spikes. The 1KSMB16CAHR5G is one such device designed to reduce the peak input voltage of a power supply by dissipating it into a grounded load. It is a low-speed (15ns max., 30V) bidirectional device with transient voltage protection up to 16V (working voltage). It is typically used to protect sensitive circuitry such as AC/DC converters and power management ICs. In this article, we will discuss the applications and working principles of 1KSMB16CAHR5G.

Applications

1KSMB16CAHR5G is well suited for AC/DC converters, power control ICs, and other sensitive electronic components. Its low reverse leakage (typically 1nA) makes it especially useful in applications with high-input voltages, such as automotive or industrial power supplies. Additionally, it can be used in wearable fitness trackers, Current-Driver Class-D audio amplifiers, robotics, medical systems, set-top boxes, gaming consoles, and power modules.

Working Principle

The 1KSMB16CAHR5G is a bidirectional TVS diode that can be used to protect against transient overvoltage that may occur in the system. This device has two main functions: suppress transient voltages by redirecting them to ground and limit the peak current of an external circuit. As a Transient Voltage Suppressor, it acts as a clamp that dissipates excess voltage (from external sources) to ground. It will shunt any current around the protected element and absorb the energy, thus preventing the voltage from acting on the protected circuitry. The device also limits the peak current by blocking any current from exceeding certain limits.

When the peak input voltage exceeds its 16V working voltage, the 1KSMB16CAHR5G will reduce it by clamping it to ground. This process helps improve system reliability and protect sensitive electronics from overvoltage conditions. In addition, the reverse leakage current of the device is low (typically 1nA), which makes it suitable for use in automotive and industrial power supplies.

Finally, the device has a fast response time of 15ns max. This allows it to respond quickly to sudden voltage spikes and act as an effective defense against electronic circuits.

Conclusion

The 1KSMB16CAHR5G is a low-speed (15ns max., 30V) bidirectional TVS diode that helps protect sensitive electronics from voltage spikes. It features low reverse leakage (typically 1nA), making it well suited for use in automotive and industrial power supplies. Additionally, it can be used in numerous different applications, from wearable fitness trackers to power modules, making it a versatile and reliable protection device.

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