YM120D150N330

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PTC resettable fuses provide efficient and cost effective protection for electronics and control systems. The YM120D150N330 is a small, high performing, and reliable device designed to provide over-current protection for applications where temperature is a key factor. It has an operating temperature range of -40°C to +85°C and offers a wide range of current ranges from 120m A - 150A.

The working principle of a PTC resettable fuse (also known as a polyswitch or degausser) is quite simple. A small Bimetallic element (usually made from copper and nickel) is placed in the center of the device. When the current flowing through the element reaches a certain level, the electrical resistance along the bimetallic element increases and acts as a fuse, preventing any further current from flowing through the circuit. This prevents damage to sensitive electronic components from current overloads.

YM120D150N330 fuses are popular in many applications, such as consumer electronics, industrial electronics, motors and automation equipment, televisions, and remote control equipment. They are extremely reliable, able to withstand large inrush currents and short duration spikes, yet fast enough to trip and provide sufficient current protection. The device is also resistant to abrasion, vibration, and shock.

This device is designed with a very low voltage drop, meaning that it only allows a small decrease in voltage when it is activated. This makes it suitable for use in high voltage, low current applications such as lighting systems or any other applications that require high steady current carrying capacity. The device is also highly dependable, with very narrow temperature characteristics for a given application and a low failure rate.

The YM120D150N330 is constructed from flame-retardant thermoplastic material, allowing for very high quality insulation, low leakage current, and a long operational life. It also features an LED indicator which helps to identify when the fuse has been activated. This device offers reliable and efficient over-current protection, making it an ideal choice for many applications.

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