SE40PDHM3/87A

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	200V
Current - Average Rectified (Io):	2.4A (DC)
Voltage - Forward (Vf) (Max) @ If:	1.05V @ 4A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Reverse Recovery Time (trr):	2.2µs
Current - Reverse Leakage @ Vr:	10µA @ 100V
Capacitance @ Vr, F:	28pF @ 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

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SE40PDHM3/87A Diodes - Rectifiers - Single

The SE40PDHM3/87A is a rectifier diode designed for use in applications that require efficient electrical power conversion. It is a three-phase rectifier module designed for single-phase or three-phase mains applications, particularly for use in battery charge applications. The diode is made up of a three terminal module with integrated current balancing components, ensuring that the current distribution is balanced among the thyristors, leading to a higher power output.

Application Fields

The SE40PDHM3/87A rectifier diode is commonly used in the following applications:

• Battery charger systems such as e-bikes, electric scooters, and electric vehicles.
• Mobile UPS (uninterruptible power supply) systems.
• High and low power inverter systems.
• Solar PV (photovoltaic) power systems.
• Three-phase permanent magnet AC motors.
• Industrial motor drives.

Working Principle

The SE40PDHM3/87A rectifier diode operates under the principle of rectification by controlling the forward and reverse flow of current. It is constructed with a three-terminal system, with two input terminals connected to an external power source and one output terminal connected to a load.The device uses a three-phase bridge rectification configuration, which allows the current flow to be rectified in single-phase or three-phase mains applications. During a positive half-cycle, the current will flow from the external power source into the diode, travel through the load, and then return to the power source, in a single path. Similarly, during a negative half-cycle, the current path will be from the power source, through the load, and back to the power source.In the SE40PDHM3/87A rectifier diode, current-balancing components are integrated to ensure that the current is distributed equally among the three thyristors during operation. This helps to improve the power output of the device, and thereby the overall efficiency of the system.

Advantages

The SE40PDHM3/87A rectifier diode offers a number of advantages over other types of rectifier diodes, including:

• High efficiency: Due to its integrated current-balancing components, the SE40PDHM3/87A is able to achieve higher efficiency than other rectifier diodes.
• High reliability: The diode incorporates a three-terminal system, which makes it more reliable than other rectifiers.
• Compact design: The SE40PDHM3/87A is designed to be compact and lightweight, making it easy to use in smaller applications.
• Cost-effectiveness: The diode is designed for mass production, making it cost effective for large-scale applications.

Disadvantages

The SE40PDHM3/87A rectifier diode has some disadvantages:

• Limited power output: The maximum power output of the module is limited to 40A, which may not be adequate for some applications.
• Limited frequency range: The input frequency range of the module is limited to 400Hz, which may not be suitable for some applications.
• High cost: Due to its integrated components, the module may be more expensive than other rectifier diodes.

Conclusion

The SE40PDHM3/87A rectifier diode is designed for applications that require efficient electrical power conversion. It provides a reliable and cost-effective solution for battery charge applications and other power conversions. However, it is not suitable for applications that require a higher power output, due to its limited power output and frequency range.

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