SMP30-M3/85A Circuit Protection

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Transient Voltage Suppressors (TVS) Diodes are an important component in any electrical system used to protect from transient overvoltage. The SMP30-M3/85A from Littelfuse is a high-key TVS diode that provides protection from automatic voltage transient up to a maximum peak pulse power of 15kW.

The SMP30-M3/85A offers protectors for a wide range of operating voltages between 30V and 200V. It features extremely low clamping voltage, low capacitance and fast response time. This makes it ideal for both consumer and industrial applications, from automotive electronics to medical and military applications.

Applications of the SMP30-M3/85A include overvoltage protection of I/O lines and clamping of EMI/RFI noise. It can also be used as a protection device to protect integrated circuits and other sensitive microelectronic components from electrostatic discharge (ESD). In addition, it can be used to reduce the stress caused by transient voltage spikes across power systems.

The working principle of the SMP30-M3/85A is relatively simple. When a transient voltage is sensed, the device is activated and the voltage is clamped to a safe level. This creates a current shunting mechanism which limits the flow of current and reduces the peak transient voltage. The device is designed with a lead-in structure that helps dissipate the energy of the transient in a controlled manner.

The SMP30-M3/85A also features clamping protection in multiple directions. It has an internal Zener diode that reduces avalanche voltage and inductive kickback which can arise from transient voltage pulses. The device also provides extremely low dynamic resistance which makes it a viable choice for sensitive loads.

The SMP30-M3/85A is available in a variety of packages including SMD, DIP and SOD. It can also be mounted to printed circuit boards, making it simpler to install and integrate. Moreover, the device is easy to operate, and offers a high level of protection for a broad range of common industrial and consumer applications.

In summary, the SMP30-M3/85A is a high-key TVS diode that provides a reliable and cost-effective solution for protection from ESD, spikes, and overvoltage transient. It has excellent clamping protection in multiple directions, low dynamic resistance, and is available in a wide range of packages for convenient integration. This makes it an excellent choice for anyone needing a robust, reliable and cost-effective protection from transient voltage.

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