PTR016V0185-TR1

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PTC Resettable Fuses are a type of over-current protection device which are widely used in modern electronics. The PTR016V0185-TR1 is one such device, with certain characteristics which make it well suited for certain applications. This article will discuss the application field and working principle of the PTR016V0185-TR1.

The PTR016V0185-TR1 is a surface-mount, axial leaded device, designed primarily for use as a circuit protector in low voltage DC applications. In particular, it is suitable for use in portable electronics such as electronic toys, LCD screens, and laptop PCs, or digital camera applications. The device provides over-current protection as well as over-temperature protection. It is also designed to be reset after an over-current or over-temperature event, which makes it useful as a circuit protector.

The working principle of the PTR016V0185-TR1 is based on the self-resetting thermal melting action of the special PTC material. The device works in a closed loop circuit which consists of a trigger circuit, a thermal switch, and a resistor. When a small current flows through the device, the resistance of the PTC material increases, allowing more current to flow. As the current increases, the temperature of the material will increase as well, due to the Joule heating effect. When the temperature of the material reaches a certain threshold, the thermal switch is triggered, and the current is cut off. This process is repeated until the device cools down, at which point the device can be reset and ready for use again.

The PTR016V0185-TR1 is designed to operate in a wide range of temperatures, from -20°C to +85°C, and is rated to handle up to 16 Volts of DC current. It also features a low power dissipation value of 0.625 watts, and a high surge current rating of 200 Amps. Furthermore, it is designed to handle up to 100,000 operations for long term reliability.

In summary, the PTR016V0185-TR1 is a low voltage surface-mount device designed for over-current and over-temperature protection. The device works by utilizing a closed loop circuit with a trigger circuit, a thermal switch, and a resistor. It is rated for up to 16 volts of DC operation, and features a low power dissipation of 0.625 watts. It is thus well suited for use in many low voltage portable electronic applications, such as electronic toys, LCD screens, and laptop PCs, or digital camera applications.

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