BSPM3480DLG

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TVS (Transient Voltage Suppressors) are typically used to protect sensitive electronic devices from high voltage transients caused by electric discharge or lightning. MOVs (Metal Oxide Varistors) are a type of TVS specifically designed for applications requiring higher surge current ratings such as power line voltage spikes or lightning protection. The BSPM3480DLG is a MOV manufactured by Bourns featuring large pulse current ratings and low leakage current, making it suitable for a wide range of applications from basic consumer electronics to medical and industrial applications.

The BSPM3480DLG is a disk-shaped MOV made of a zinc-oxide nonlinear resistor and board-mounted cathodic protection device. The resistive element is able to clamp currents up to 560 amperes for a single chip, meaning that it can be used to protect any device from voltage and current levels at or below the rated surge and leakage current. The cathodic protection device provides additional protection but only when the MOV has been damaged and rendered inoperative.

The MOV works on the principle of ‘letting through’ a surge event and then ‘blocking’ the remaining current flow. This is done by having a nonlinear resistant material (zinc-oxide) at the central hub of the device. When a voltage transient is detected, the MOV automatically diverts as much of the energy of the surge event as possible into its central hub section, thus protecting the connected device from further current or voltage surges. The zinc-oxide is designed to absorb the most destructive elements of the transient voltage pulse.

The BSPM3480DLG is the perfect device for protecting circuits from transient voltage and current spikes. It can be used in both consumer and industrial applications, such as communications systems, AC/DC power supplies, motor drives, and LED lighting. The large pulse current rating and low leakage current make it suitable for a range of applications where a high degree of reliability is required.

In summary, the BSPM3480DLG is an ideal component for protecting circuits from transient voltage and current spikes. It is a disk-shaped MOV made of a zinc-oxide nonlinear resistor and board-mounted cathodic protection device, which can absorb up to 560 amperes of pulse current. It is suitable for a range of applications, from consumer electronics to medical and industrial systems. As always, it is important to read and understand the data sheet to be sure that a protective component is suitable for any particular application.

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