AR3PDHM3/86A

Series:	eSMP®
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Diode Type:	Avalanche
Voltage - DC Reverse (Vr) (Max):	200V
Current - Average Rectified (Io):	1.8A (DC)
Voltage - Forward (Vf) (Max) @ If:	1.6V @ 3A
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	140ns
Current - Reverse Leakage @ Vr:	10µA @ 200V
Capacitance @ Vr, F:	44pF @ 4V, 1MHz
Mounting Type:	Surface Mount
Package / Case:	TO-277, 3-PowerDFN
Supplier Device Package:	TO-277A (SMPC)
Operating Temperature - Junction:	-55°C ~ 175°C
Base Part Number:	AR3PD

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Diodes - Rectifiers - Single: AR3PDHM3/86A

The AR3PDHM3/86A is a type of diode rectifier, commonly used to convert alternating current (AC) to direct current (DC). This rectifier is constructed of silicon and is suitable for both general-purpose and high-voltage applications. It has a maximum standing current of 7 A, an average forward current (IF(AV)) of 6.75 A, and a peak repetitive reverse voltage (VRRM) rating of 1,000 V.

Application fields

The AR3PDHM3/86A is typically used in power supplies, DC motors, home appliances, and various other industrial applications, where it functions as a power rectifier. In AC-DC conversion processes, the rectifier is used to convert AC into a pulsed DC voltage. The diode then smoothes out this resultant pulsed voltage, providing a constant DC voltage output.

Working principle

When an AC voltage is applied across the anode and cathode of the diode, the alternating voltages cause a current to flow through the diode and be rectified into a unidirectional current. This current only flows in one direction and is incapable of flowing in the opposite direction. As the polarity of the applied AC voltage changes, the diode alternates between passing and not passing the current.When the applied AC voltage is in the same polarity as the diode’s inherent voltage drop, the diode passes the current and it is rectified into a unidirectional current. When the applied AC voltage is of opposite polarity to that of the diode’s inherent voltage drop, the diode does not pass the current, and it is stored in the anode and cathode of the diode. The peak voltage stored in the anode and cathode of the diode is known as the peak inverse voltage (PIV).

Advantages

This diode rectifier offers a number of advantages over other rectifying devices. Firstly, it is capable of handling high peak inverse voltages (up to 1,000 V). Secondly, it has a low forward voltage drop, meaning that it has extremely low power losses. This leads to less heat generation, thus reducing the amount of energy wasted. Finally, it has very low reverse leakage current, making it more reliable than other rectifiers and reducing the amount of power provided to the system.

Conclusion

In conclusion, the AR3PDHM3/86A is a type of diode rectifier that is suitable for high-voltage AC-DC conversion applications. It has a maximum standing current of 7 A, an average forward current (IF(AV)) of 6.75 A, and a peak repetitive reverse voltage (VRRM) rating of 1,000 V. It offers a number of advantages over other rectifying devices, such as being able to handle high peak inverse voltages, having a low forward voltage drop, and having a low reverse leakage current.

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