ROV14-121K-S

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Transient voltage suppressors (TVSs) are electrical devices which can protect a circuit from voltage transients, such as electrostatic discharge (ESD) or interference from lightning. Varistors, Metal Oxide Varistors (MOVs), and Silicon Avalanche Diodes (SADs) are three examples of common TVSs. The ROV14-121K-S is a surface-mounted varistor specifically designed for use in portable electronic products.

Varistors are one of the oldest and most reliable types of TVSs. They are made up of semi-conducting metal-oxide materials, such as zinc oxide, and are usually circularly shaped. When a surge in voltage strikes a varistor, the voltage will cause the material to conduct more electricity, thereby limiting the voltage and protecting the circuit.

Varistors differ from MOVs in two ways. First, MOVs are made of semi-conducting materials, such as silicon or aluminum oxide. MOVs react to voltage by quickly dissipating the energy as heat instead of limiting the current flow. Second, MOVs are normally rectangular shaped, and their larger surface area means that they can absorb higher amounts of energy than a varistor.

The ROV14-121K-S varistor is designed for use in portable consumer electronics applications, such as laptops, cell phones, PDAs, and digital music players. Its design features two axial leads for easy surface mount installation and a compact form-factor. The ROV14–121K–S is designed to protect the circuits of these devices from voltage transients up to 1140 volts, making it well-suited for use in consumer products.

The ROV14-121K-S is a non-polarized varistor. Because of this, it does not need to be oriented in a specific direction when it is installed. This makes it easier to install the varistor when wiring the circuit and eliminates the need to purchase polarized varistors.

The ROV14-121K-S also features a low clamping voltage of 11 volts, which helps protect the sensitive electronic components in the circuit from voltage spikes. For example, if the voltage spike exceeds 11 volts, the varistor will start conducting more electricity to protect the circuit from damage. This helps ensure that the components in the circuit will work reliably and last a long time.

In addition to its ability to protect a circuit from transient voltage surges, the ROV14-121K-S also features low leakage current, which helps improve the efficiency of the circuit while reducing power consumption. This helps to make the product more reliable and efficient, which is particularly important for mobile products such as laptops and smartphones.

The ROV14-121K-S is a reliable and efficient varistor designed to protect circuits from voltage transients in portable electronic products. Its low thermal resistance and low leakage current make it a great choice for use in consumer products, and its simple installation makes it easy to wire. With the ROV14-121K-S, product designers can rest assured that their circuits are protected from voltage transients while still enjoying reliable performance and long-term reliability.

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