SMBJ20A-M3/5B

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TVS (Transient Voltage Suppressors) or Transient Voltage Surge Suppressors are a type of diode-based components used to protect low voltage electrical circuits from voltage surges. The SMBJ20A-M3/5B is a type of TVS diode, widely used for transient over-voltage protection. This article provides an overview of the field of applications and working principle for SMBJ20A-M3/5B TVS Diodes.

Field Of Applications for SMBJ20A-M3/5B

The SMBJ20A-M3/5B is a general purpose transient voltage surge suppressor with a Rugged Thermoplastic body and a low cost. These type of components are typically applied in AC/DC line input-transformer circuits, providing protection from potential surges up to 2000 Watts. It does this through the use of a capacitance structure or a clamping voltage that reroutes the surge current to a lower voltage source.

The SMBJ20A-M3/5B is commonly used in a wide range of products from consumer electronics such as smartphones, tablets, and laptops to industrial equipment like inverters, motor controllers, and LED drivers. It is also often used in automotive electronics, providing extra protection under extreme conditions. In all these applications, the SMBJ20A-M3/5B serves to protect the electrical equipment from any type of voltage surges or spikes.

Working Principle Of SMBJ20A-M3/5B

The working principle of the SMBJ20A-M3/5B is based on its capacitive-stacked or clamping mechanism, which allows it to provide not only excellent over-voltage protection, but also fast signal response with a low warm-up time. It uses the principle of capacitance in order to absorb the energy of transient voltage surges and divert it from the sensitive electronics it is designed to protect.

The working principle of the SMBJ20A-M3/5B works on two main points. First, the surge diverter’s capacitance is able to absorb and spread out large voltage surges so that the voltage at the protected circuit is limited to a safe level. Secondly, the component’s low clamping voltage helps it to limit the magnitude of the surge, limiting the surge’s current so that it does not exceed the safe levels.

The working principle of the SMBJ20A-M3/5B also ensures that the component is protected against multiple transient events. This component’s excellent surge rejection capability and low thermal noise make it a highly reliable and efficient device. The SMBJ20A-M3/5B also offers a high clamping voltage that provides comprehensive and reliable protection even under severe operating and environmental conditions.

Conclusion

The SMBJ20A-M3/5B is an excellent choice for the protection of low voltage signals from voltage surges and other transient events. It is used across a wide range of products from consumer electronics, automotive electronics, and industrial products. This fast-acting technology provides effective over-voltage protection with a low warm-up time. It also ensures high reliability with a high-clamping voltage and excellent surge rejection capability.

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