SMF51A RQG Circuit Protection

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The TVS diode is an important component in the circuit protection product family. The SMF51A RQG is a Transient Voltage Suppression device from this field, providing a one-way circuit protection system. When it module is exposed to a voltage that is too high, it will be activated to protect the connected components, allowing the electrical current to flow in one direction only. The SMF51A RQG uses metal oxide varistors (MOVs) to dissipate the energy of transient surges. This makes it suitable for protection against transient or over-voltage conditions such as electrostatic discharge (ESD), surge, or inductive transients.

This module is designed to protect against electrical overstress (EOS) when the reverse leakage current is less than 5mA. Its reverse standoff voltage (Vrwm) is 51V, and its current rating is 15A. The SMF51A RQG is also incorporated with high thermal conductivity which ensures its long-term performance and durability in most environmental conditions. As a result, when connected to a device or circuit, it provides a reliable level of protection from direct and indirect lightning strikes.

Depending on the application, SMF51A RQG is available in multiple configurations. This includes axial leads, surface-mounted chip-type, and module packages. For example, in an application where the circuit needs to be shielded from high voltage or surge, a module like the SMF51A RQG will be needed. This module uses the ceramic composition of MOFSETs with a reverse standoff voltage of 51V. Additionally, this device is designed to provide ultra-low capacitance, low leakage current, and fast response time.

The working principle of the SMF51A RQG module is based on the metal oxide varistor (MOV). The MOV is a two-terminal electronic component that uses insulated metal plates with oxide to dissipate energy when it is exposed to excessive voltage. The plates are separated by an insulating material and when a voltage is applied, its resistance is lowered. As a result, when the SMF51A RQG module is exposed to a voltage higher than the reverse standoff voltage, it will conduct current and absorb the energy of the transient.

In conclusion, the SMF51A RQG is a Transient Voltage Suppression device from the TVS Diode family. It provides circuit protection against transient spikes and over-voltage conditions. Its reverse standoff voltage is 51V, and its current rating is 15A. It is designed with a ceramic composition of MOFSETs, providing ultra-low capacitance, low leakage current, and fast response time. It uses the metal oxide varistor (MOV) to dissipate the energy of the transient surge, making it suitable in many applications.

The specific data is subject to PDF, and the above content is for reference