TRF600-400

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PTC resettable fuses are components designed to protect circuits and electronic devices from overcurrent due to spikes, shorts, and other irregularities. The theory behind their operation is based on the thermally-induced characteristics of a small amount of current-sensitive polymeric material that changes state when the current passes through it. TRF600-400 is a PTC Resettable Fuse device specifically designed for applications ranging from consumer electronics to sensitive industrial applications.The TRF600-400 is a self-regulating, single-device protection circuit featuring an integrated, non-linear PTC technology. The device is composed of an innovative polymeric material which serves as a temperature-sensitive resistor that starts as a low value resistance when normal working current is encountered, and instantly changes to an open circuit when an overcurrent condition is detected. Furthermore, the device also features a low-voltage cutoff point, to prevent over-stressing of the device when the battery is nearly empty.This device is designed for applications in the automotive, consumer electronic, and industrial segments, and is available in capacities ranging from 0.1 to 200 amperage. It provides reliable circuit protection that requires no additional control circuits, and is highly cost-effective due to its low power consumption and long service life.When installed in a circuit, the TRF600-400 is able to protect itself by sensing when the current being passed through it has exceeded the rated current of the device. Upon sensing this, the polymeric material comprising the device changes from a low-valued resistance to an open circuit, blocking the overcurrent and thus stopping the excessive power from reaching the circuit, ultimately protecting it.When the device has been triggered by an overcurrent condition, it will self-reset when the current is brought back down to an acceptable level. Once the overcurrent condition has been removed, the polymeric material within the device will return to its initial low-resistance value, allowing the circuit to operate again.The TRF600-400 can also serve as an overvoltage protection component, allowing it to be used in a wide range of applications. It is designed to disconnect when the voltage of the system exceeds a preset level, ensuring that the system is not damaged by any surges.The TRF600-400 is an effective and cost-efficient way to protect sensitive electronic devices. It provides reliable protection with no additional circuitry or control components, and its long service life makes it an excellent choice for a wide range of applications.

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