HER104-AP

Series:	--
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	300V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 40V
Speed:	Fast Recovery = 200mA (Io)
Reverse Recovery Time (trr):	50ns
Capacitance @ Vr, F:	20pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-41
Operating Temperature - Junction:	-55°C ~ 125°C

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Introduction

HER104-AP is a three-terminal, single-phase rectifier that is commonly used in AC-DC power supplies, automotive and general purpose applications. This device features 600V nominal maximum peak reverse voltage (VRRM) and has an epitaxial construction. The HER104-AP rectifier is suitable for higher-power bridged or center-tapped converter/inverter systems and provides a smooth, power efficient and reliable operation.

Application Field

The HER104-AP rectifier is used in a wide range of applications, including power supplies, charging systems, and converters. This device can also be used in automotive, automotive electronics, and general purpose applications. In DC-DC power supplies, the HER104-AP can be used in a bridge configuration, as well as in center tap configurations. Its design provides for higher surge current capability and therefore more power for these types of applications.

Working Principle

HER104-AP rectifiers operate using the principle of the p-n junction diode. This device consists of an anode and a cathode and works to conduct electricity only in a single direction. When voltage is applied to the device, electrons from the anode flow to the cathode. This flow of electrons will create a current. When AC voltage is applied to a single-phase rectifier, like the HER104-AP, the alternating current, or AC signals with positive and negative polarities, are rectified and converted into a unidirectional current with only positive voltage. The power output of the rectifier is dependant on the input voltage and load resistance. This rectification process enables the HER104-AP to effectively convert AC power to DC power, making it a popular choice for AC-DC power supplies.

Performance Characteristics

The HER104-AP has a high maximum reverse voltage of 600 volts and a peak repetitive reverse voltage or VRRM of 600V. This makes the design suitable for applications where steeply rising DC output voltage and high-load current is required. This rectifier has a forward current rating of 4A, meaning it can support high current loads. It also has a surge current rating of up to 80A that makes this device suitable for operations with both high power and peak current requirements.The HER104-AP has a fast switching speed that allows it to be used in applications where quick response is necessary and the design offers a low forward voltage drop of 0.7V, meaning it is an efficient device with a high power output. Finally, the design of the HER104-AP enables it to withstand temperatures up to 150°C, making it an excellent choice for automotive and other high-temperature applications.

Conclusion

The HER104-AP is a widely-used single-phase rectifier that is designed for higher power applications. This device has a wide range of applications, including power supplies, charging systems and converters. The HER104-AP has a peak repetitive reverse voltage of 600V and a fast switching speed, thereby allowing it to handle higher-power operations. Additionally, this rectifier has a low forward voltage drop of 0.7V and is able to withstand temperatures up to 150°C. This makes it a reliable and efficient device and an ideal choice for AC-DC power conversion.

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