MINIASMDC150F/16-2

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PTC (Positive Temperature Coefficient) Resettable Fuses are a specialised type of polymeric Positive Temperature Coefficient (PPTC) device designed to protect electrical circuits. A PTC Resettable Fuses acts as a trip device when an overcurrent or short-circuit occurs, safely disconnecting the circuit until the fault is removed and the device is manually reset. The MINIASMDC150F/16-2 is a PTC Resettable Fuse, and is used in a range of applications.

Application Fields
The MINIASMDC150F/16-2 is widely used in various automotive and electronics applications due to its characteristics of self-resetting after tripping and its very low resistance when not tripped. These characteristics make them ideal for low-current circuits, such as the current powering sockets in vehicles. In addition, MINIASMDC150F/16-2 devices are used in industrial automation, telecom equipment and many other electronic circuits.

Working Principle
When current flows through the MINIASMDC150F/16-2 device, it causes a resistive heating effect. The heating changes the resistance of the PTC, creating a voltage drop in the circuit. As the current increases, the resistive heating effect increases, causing the voltage drop across the device to increase accordingly. At a set point, the voltage drop across the device becomes higher, and the device trips, disconnecting the circuit. Once the current flow has stopped, the device cools down, and the voltage drop across it returns to its normal level, at which point the device can be manually reset by pressing the reset button.

In summary, a MINIASMDC150F/16-2 PTC Resettable Fuse protects circuits from overcurrents and short-circuits by tripping when a certain current is exceeded. When it trips, the device disconnects the circuit until manually reset, and the low resistance of the device together with its self-resettable nature make it an ideal protection component for low-current circuits in automotive and various electronic applications.

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