AHRF550S

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The AHRF550S is one of the most popular types of PTC Resettable Fuses on the market today. This type of resetting fuse is an excellent choice for many applications where the regular fuse does not offer the same level of protection or convenience. The AHRF550S provides protection against electrical surges and has the ability to reset itself after the surge has gone.

A PTC Resettable Fuse is an integrated circuit chip that utilizes a Polymer Positive Temperature Coefficient (PPTC) element as its core component. This element is a thermally sensitive polymer whose resistance increases when its temperature is raised above a certain threshold. The PPTC element works in tandem with a Discrete Non-Linear element that acts as the main switch in the PTC Resettable Fuse\'s triggering system.

When the current passing through the AHRF550S exceeds a predetermined limit, the PPTC element triggers the Discrete Non-Linear element which in turn causes a break in the circuit, thus cutting off the current supply to the device being protected. It is worth noting that when the current passes through the fuse, the PPTC element heats up. This temperature increase can cause the fuse to reset itself once the current is gone.

The AHRF550S offers a range of protection options for applications that may require protection against short circuit, overload, overvoltage, and reverse current. The AHRF550S is normally used in circuits where there is a need for short circuit protection and/or control due to its low DC resistance and high carry current.

Some of the common applications of the AHRF550S PTC Resettable Fuse include the protection of household appliances and consumer electronic products, internal wiring of power supplies, automotive electronics, and battery circuits. The AHRF550S is also used in controlling and protecting devices such as motors, compressors, and fans.

The AHRF550S comes with a choice of two mountings, a surface mount and a through-hole. The device can be sealed to environmental influences and can withstand a wide range of temperatures. The AHRF550S also features a fast reaction time of less than 1 millisecond, making it an ideal choice for many applications in need of protection from surges.

Overall, theAHRF550S PTC Resettable Fuse is an excellent choice for many applications that need protection from short-circuit currents, over-voltage, overload, and reverse currents. The AHRF550S is an excellent example of a PTC Resettable Fuse that can provide reliable protection with its fast reaction time and wide range of temperature resistance.

The specific data is subject to PDF, and the above content is for reference