FES8JTHE3/45

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	600V
Current - Average Rectified (Io):	8A
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 8A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	50ns
Current - Reverse Leakage @ Vr:	10µA @ 600V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	TO-220-2
Supplier Device Package:	TO-220AC
Operating Temperature - Junction:	-55°C ~ 150°C

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FES8JTHE3/45 is a single-phase bridge rectifier module, which belongs to the diode rectifiers category. It features thyristor (SCR) technology, mainly used in uninterruptible power supply systems, motor control drives and motor speed control applications. The product has a reverse voltage of 8kV (maximum) and a forward current of 45A (maximum). It complies with international standards, such as UL, TUV, and EN 60950-1.The working principle of FES8JTHE3/45 is based on the thyristor (SCR) technology. This type of diode is a solid-state switch, which is triggered with a voltage signal. When the voltage signal reaches a certain threshold, the thyristor turns on and the diode is in the “on state”. The on-state of the thyristor is maintained by the voltage signal and a current flow, usually referred to as “holding current”. As long as the current flow through the thyristor is maintained, the thyristor remains “on”, and the diode is in the “on state”. When the current flow ceases, the thyristor turns off and the diode is in the “off state”. When applied to an AC power source, FES8JTHE3/45 serves as a diode bridge rectifier for converting AC voltage into DC voltage. In a single-phase bridge rectifier circuit, the AC voltage is applied to the two AC input terminals of the thyristor. When the voltage reaches the threshold voltage (VBO) of the thyristor, the thyristor turns on and the diode is in the “on state”. The current will then flow through the diode, and a DC voltage is formed between the two DC output terminals, which is a rectified version of the input AC voltage. FES8JTHE3/45 has a wide range of application fields, such as motor control drives, motor speed control, and uninterruptible power supply (UPS) systems. In motor control drives, FES8JTHE3/45 is used for managing the speed of motors, by controlling the voltage and current of the power supply. This can have a positive effect on energy efficiency, by reducing the power loss.In UPS systems, FES8JTHE3/45 can be used for regulating the output voltage via a single-phase bridge rectifier circuit. The circuit turns the AC voltage into DC voltage, which can then be regulated via a variable DC power supply. This ensures that the output voltage is consistent, even during disordered power conditions, or when power supply or load current fluctuate.Moreover, FES8JTHE3/45 is widely used in electronic circuit protection due to its low turn-on voltage and fast switching capabilities. This can protect electronic components from overtemperature, overvoltage, and overcurrent.In conclusion, FES8JTHE3/45 is a single-phase bridge rectifier module widely used in motor control drives, motor speed control, uninterruptible power supply (UPS) systems, and electronic circuit protection applications. Its working principle is based on the thyristor (SCR) technology, making it an efficient and reliable module with a reverse voltage of 8kV and a forward current of 45A. It complies with international standards, such as UL, TUV, and EN 60950-1.

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