PTGL09AS2R2K3B51B0

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PTC resettable fuses are a type of circuit protection device and are used to protect against overcurrent or short circuits. They are commonly used in applications ranging from consumer electronics to automotive circuits. PTC resettable fuses are also known as polyfuses or polymeric positive temperature coefficient (PPTC) fuses. They are designed to safely dissipate an excess surge of current and reset after a period of time.

PTGL09AS2R2K3B51B0 is one type of PTC resettable fuse mainly used in automotive circuits. It is a high current protection device which can limit the sustained overload current to a specific value and also provide excellent protection against short-circuits. The device can withstand currents up to 20A (at a temperature of 25 degree Celsius) and 9A in the pulse mode. It has a low operating temperature of 40-85 Celsius and will reset itself within 0.2-2 second upon the overload current being reduced to its normal level.

The device also features a “snap-on” type installation and is used to protect against voltage surges and motor starters. The PTGL09AS2R2K3B51B0 is designed to offer a reliable and secure protection in applications ranging from HVAC to consumer electronics, automotive, and home appliances.

The working principle of the PTGL09AS2R2K3B51B0 is simple and straightforward. When a surge of current passes through the device, it will heat up and cause a rapid build-up of pressure, which forces the fuse to trip and disconnect the circuit. This will provide the desired protection to the connected devices. After a period of time, the fuse will cool down and reset itself, allowing the circuit to be reconnected and functional.

The PTGL09AS2R2K3B51B0 is designed to provide reliable protection in a wide variety of applications and environments. It offers excellent protection against sustained overloads and short circuits, while allowing for a safe reconnection after the overload is removed. It is a reliable and secure option for circuit protection in a variety of applications, including consumer electronics, automotive, and home appliances.

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