2016L150DR

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PTC (Positive Temperature Coefficient) Resettable Fuses are an integral part of many modern electronic device designs. These fuses not only protect components from dangerous over-currents, but they also offer a reset feature, which allows a device to be recovered from an overload or fault condition. The L150DR series from Little fuse is one example of a PTC Resettable device.

The LittleFuse L150DR series is a radial leaded PLP package with a rated current of 150mA at a nominal voltage of 25V. The device has an operating temperature range of -40° to 85°C and can withstand maximum over-current conditions of up to 240 volts. The L150DR features a dual-action design that provides both over-current and over-temperature protection.

The L150DR works by using an integrated PTC thermistor that is designed to detect when an over-current condition is present. When an over-current is detected, the thermistor will heat up, and the resistance will increase to a point where the current is restricted. Once the over-current condition is removed, the PTC thermistor will cool down, and the resistance will return to its original, low value, allowing the device to reset and return to normal operation.

The L150DR PTC Resettable Fuse also features an integrated circuit breaker function, which is designed to protect against short circuit conditions. When a short circuit is detected, the integrated circuit breaker will trip and interrupt the current, preventing any further over-current conditions. Once the short circuit is removed, the device can be reset and returned to normal operation.

In addition to its integrated PTC and circuit breaker functions, the L150DR also features a built-in LED indicator. This LED light provides a visual indication that the fuse is operating correctly, as well as providing an indication of when a fault or overload condition has triggered the circuit breaker. The LED will remain lit when the fuse is in a normal, healthy state, and will go out when a fault condition has been detected.

The LittleFuse L150DR PTC Resettable Fuse series is designed to provide reliable protection in a wide variety of high-performance electronic applications. The PTC and circuit breaker functions ensure that components and devices are protected from dangerous overloads and / or short circuit conditions, while the LED indicator provides a visual indication of any problems that may have occurred. The device\'s wide operating temperature range and rated current of up to 150mA also make it suitable for a wide range of applications.

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