APT60DF60HJ

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Diode Type:	Single Phase
Technology:	Standard
Voltage - Peak Reverse (Max):	600V
Current - Average Rectified (Io):	90A
Voltage - Forward (Vf) (Max) @ If:	2.3V @ 60A
Current - Reverse Leakage @ Vr:	25µA @ 600V
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Chassis Mount
Package / Case:	SOT-227-4, miniBLOC
Supplier Device Package:	SOT-227

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APT60DF60HJ is a silicon bridge rectifier. It is a four-terminal three phase ac bridge rectifier consisting of a semi-conductor diode bridge and is designed specifically to accept three-phase ac input voltages.OverviewThe APT60DF60HJ is an important component in diode bridge rectifier circuits. It is based on a three-phase silicon diode bridge and is designed to convert ac input voltages into unidirectional dc output. The device has three input terminals which are adapted to accept three alternating current inputs from three separate phases. The fourth terminal is the output which is used to recover the unidirectional dc output power of the diode bridge rectifier. The output voltage and current of the bridge rectifier are determined by the forward voltage drops of the four diodes in the bridge configuration. Because of its simple construction, this bridge rectifier has become popular for a variety of ac to dc conversion applications.Application FieldThe APT60DF60HJ is primarily used as a rectifier in low voltage power supplies. It is particularly suited for a wide range of applications, including: dc power conversion, uninterruptible power supplies, solar inverters and electric vehicle charging systems.The bridge rectifier finds use in industrial power supplies and is also a common component in hifi audio equipment. Due to its ruggedness and low cost, many designs incorporate the bridge rectifier rather than more complex switching rectifier circuits.In home appliances, the bridge rectifier is also used in heavy-duty applications such as brushless motor drives, fans, pumps, blowers and other machines that utilize controllable ac motors.Working PrincipleTo understand the working principle of the APT60DF60HJ, let us consider an example. Assume that three alternating current sinusoidal signals of frequencies 420V, 24V and 18V are applied to the three input terminals of the bridge rectifier. The fourth terminal is used to output the dc current from the bridge rectifier.When the three signals are applied, the voltage across the four diodes in the bridge rectifier become equal. This enables the two top diodes to act like a closed switch, permitting the current to flow from the positive terminal to the negative terminal. The other two diodes act like an open switch, preventing the reverse current flow. As a result, the alternating current is converted into unidirectional dc current, which is then outputted from the fourth terminal.In the APT60DF60HJ, the four diodes act in the same manner, allowing the alternating current to pass through the bridge rectifier and outputting the dc current through the fourth terminal.ConclusionThe APT60DF60HJ is an important diode bridge rectifier designed for use in a wide range of ac to dc conversion applications. The three input terminals of the bridge rectifier are adapted to accept three alternating current inputs from three separate phases, while the fourth terminal is used to recover the unidirectional dc output. The working principle of this device is based on the four diodes in the bridge rectifier becoming equal, enabling the two top diodes to act like a closed switch and the other two diodes acting like an open switch. As a result, the alternating current is converted into unidirectional dc current. The bridge rectifier is commonly used in low voltage power supplies, hifi audio equipment, industrial power supplies and home appliances, among others.

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