VDRH14M025BSE

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Varistors, also known as voltage-dependentresistors (VDRs), are mainly used to reduce transientsurges in electrical circuits, providing over-voltagelong-term protection to ensure the reliable operation ofsensitive electrical and electronic components. The VDRH14M025BSE, manufactured by Littode Electronics, is a ceramic-based varistor designed to protect circuits from electrical overstress conditions. This article addresses the application field andworking principles of the VDRH14M025BSE.

Application Fields for VDRH14M025BSE

The VDRH14M025BSE is an ideal overvoltage protection device in a wide range of applications, including:

• Telecommunications: the VDRH14M025BSE is used to protect circuit boards in telecom devices such as mobile phones, laptops, and modems.
• Automotive electronics: the VDRH14M025BSE can protect delicate auto electronics, such as onboard computers and navigation systems.
• Industrial electronics: used to protect semiconductor equipment, it helps ensure that surges resulting from lightning strikes and power outages do not damage machinery.
• Consumer electronics: the VDRH14M025BSE is used in many consumer electronic products, including audio systems, DVD players, and television sets.

The VDRH14M025BSE is a highly reliable protection device, offering superior protection in environments where temperature and humidity can vary greatly. It can be used in temperatures ranging from 40°C to +105°C and in rugged industrial environments such as steel mills and paper mills.

Working Principles of VDRH14M025BSE

The working principle of the VDRH14M025BSE is quite simple. It functions as an electrical resistor whose resistance decreases when the voltage across it increases. This is known as a voltage-dependent effect and occurs in all varistors. When a voltage surge occurs, the varistor will quickly reduce its resistance, providing a low-impedance path to ground and thus limiting the voltage.

The specific operational characteristics of the VDRH14M025BSE are as follows:

• Voltage surge capability: The VDRH14M025BSE can absorb multiple voltage surges of up to 1,000V peak.
• Maximum clamping voltage: The VDRH14M025BSE can clamp the voltage to a maximum of 16V. This ensures that the sensitive electrical components it is protecting are not damaged.
• Thermal stability: The thermal stability of the VDRH14M025BSE is excellent and it resists temperature changes without any significant change in performance.

The VDRH14M025BSE is an effective and reliable overvoltage protection device that is suitable for a wide range of applications. It is designed to absorb and dissipate electrical surges, while providing exceptional thermal stability and maximum clamping voltage.

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