V511HB34

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TVS (Transient Voltage Suppressor) devices are components designed to protect electronic circuits from voltage spikes and electrostatic discharges. Varistors, MOVs (Metal Oxide Varistors) and Hybrid Suppressors (Hybrids) are commonly used to fulfill this task.The V511HB34 varistor, in particular, is a double-sided radial leaded component specifically designed to limit surges to a safe, low level. It’s rated for a DC voltage of 510V, a nominal voltage of 400V and a surge voltage of 500V. It has a maximum rated current of 34A (34 mA leakage current at maximus) and a maximum energy dissipation of 8 joules.

The V511HB34 is often used to protect electronic systems/circuits from transient and ESD events. It works by clamping the surge voltage across a parallel (or series-parallel) connection to a current-limiting resistor at a pre-determined voltage. This reduces the amount of current that can flow through the resistor, thereby limiting the amount of energy that can be dissipated in the event. This protects the circuit and reduces the chances of system malfunction or damage to system components.

In addition, V511HB34 varistors have excellent electrical characteristics which make them ideal for EMI/RFI filtering applications. Their small form factor also makes them ideal for use in applications where space is limited. Furthermore, they provide excellent temperature stability, enabling them to operate reliably in extreme temperature environments.

The working principle of the V511HB34 varistor is based on the ferroelectric effect, which occurs at the junction between a material and an electric field. When a voltage spike occurs, the varistor reduces the voltage by creating a potential difference between the external line and the internal varistor. This potential difference, in turn, produces a short-circuiting effect which clamps the voltage to a safe, low level.

To conclude, V511HB34 varistors are useful components for protecting electronic systems from transient events and ESD damage. They provide effective protection while also having excellent electrical characteristics for EMI/RFI filtering. Additionally, their small form factor makes them ideal for space-limited applications and their temperature stability allows them to function reliably in extreme temperature environments. This makes the V511HB34 varistor an excellent choice for a wide range of applications.

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