B72510T0040M062

TVS - Varistors, MOVs

B72510T0040M062 Application Field and Working Principle

Transient voltage suppressors (TVSs) are elements used to protect sensitive electronic components from electrostatic discharge (ESD) and other forms of electrical transients. Varistors, Metal Oxide Varistors (MOVs), and thyristors are all types of TVSs. The B72510T0040M062 is a varistor, a type of non-linear resistor made from a sintered form of metal oxide, specifically zinc oxide.

The B72510T0040M062 has a rated voltage of 40 volts, a dissipation constant of 150mW/V, and a clamping voltage of around 58 volts. Its application field is primarily in low voltage circuits with devices such as bus cards, transistors, and high-frequency power ICs. Common applications can include DC-DC converter circuits, portable consumer electronics, laptops, and others.

The primary function of the B72510T0040M062 is to act as a shield for sensitive components to absorb electrical transients and voltage spikes, thus protecting the device from being damaged. It does this through its working principle, which is based on the concept of capacitive divider. When an electrical transient or voltage increase occurs, the varistor distributes the energy across it by using a combination of capacitance and resistance, reducing the peak value of the transient and dissipating the energy.

The B72510T0040M062 is composed of a composite of zinc oxide grains, which are held together with a metallic or organic binder. This creates a contact between the grains, which acts as a junction between the layers of different materials. The internal junction between the layers creates a capacitive divider, allowing the varistor to operate in its working principle.

In addition, the B72510T0040M062 also has an encapsulation casing that protects the varistor from environmental factors, as well as mechanical and thermal stress. This ensures that the varistor will remain functional and continue protecting the device from electrical transients.

Overall, the B72510T0040M062 is an effective solution for protecting sensitive electronic components from electrical transients. It has a wide application field and is suitable for use in low voltage circuits with devices such as bus cards, transistors, and high-frequency power ICs. Its working principle relies on capacitive divider and the encapsulation casing ensures that it will durable and able to protect devices from electrical transients.