KBU4M-E4/51 Allicdata Electronics
Allicdata Part #:

KBU4M-E4/51-ND

Manufacturer Part#:

KBU4M-E4/51

Price: $ 0.00
Product Category:

Discrete Semiconductor Products

Manufacturer: Vishay Semiconductor Diodes Division
Short Description: DIODE 4A 1000V KBU
More Detail: Bridge Rectifier Single Phase Standard 1kV Through...
DataSheet: KBU4M-E4/51 datasheetKBU4M-E4/51 Datasheet/PDF
Quantity: 79
Stock 79Can Ship Immediately
Specifications
Series: --
Packaging: Bulk 
Part Status: Active
Diode Type: Single Phase
Technology: Standard
Voltage - Peak Reverse (Max): 1kV
Current - Average Rectified (Io): 4A
Voltage - Forward (Vf) (Max) @ If: 1V @ 4A
Current - Reverse Leakage @ Vr: 5µA @ 1000V
Operating Temperature: -50°C ~ 150°C (TJ)
Mounting Type: Through Hole
Package / Case: 4-ESIP, KBU
Supplier Device Package: KBU
Base Part Number: KBU4M
Description

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Bridge rectifiers, also known as diode bridges, are an integral part of many different types of electrical circuits and they are often found in AC power applications. The KBU4M-E4/51 bridge rectifier is a robust, high capacity device that is primarily used in the switching power supplies of very large power systems. In this article, we will discuss the application field and working principle of KBU4M-E4/51 diode bridge rectifier.

Application Fields

The KBU4M-E4/51 diode bridge rectifier can be found in many different types of AC power applications. These include high power switching power supplies, AC-DC power converters, power inverters, motor speed controllers, and other high power AC applications. The device has an impressive capacity of up to 400A RMS, making it ideal for large power systems. Its robust construction and thermal characteristics make it suitable for a wide range of temperature operating ranges as well. This makes it an ideal choice for applications in extreme environments.

Working Principle

The KBU4M-E4/51 diode bridge rectifier works on the principle of direct current conversion. It consists of four diodes connected in a bridge configuration. When AC voltage is applied to the device the diodes are alternately forward and reverse biased, converting the AC voltage to DC voltage. The output of the device is DC voltage with the same peak voltage as the AC voltage, but with the positive and negative halves of the waveform being 180° out of phase due to the alternating biasing of the diodes.

The KBU4M-E4/51 bridge rectifier also has several features that make it well-suited for large power applications. The device has a surge capability of up to 400V and a peak reverse voltage rating of 800V, making it suitable for variable output voltage applications. It also has a current rating of up to 400A, and it has a peak inverse temperature coefficient of -25°C making it suitable for a wide range of operating temperatures. Additionally, the device has low leakage current and a very low forward voltage drop.

Conclusion

In conclusion, the KBU4M-E4/51 bridge rectifier is an excellent choice for large power AC applications. Its robust and reliable construction, high current rating and peak inverse temperature coefficient, and surge capability make it well-suited for applications in extreme environments. It is also able to be used in variable output voltage applications due to its peak reverse voltage rating of 800V. By understanding its application fields and working principle, a designer can easily implement this device into their designs.

The specific data is subject to PDF, and the above content is for reference

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