MB151 Allicdata Electronics
Allicdata Part #:

MB151-ND

Manufacturer Part#:

MB151

Price: $ 0.00
Product Category:

Discrete Semiconductor Products

Manufacturer: Diodes Incorporated
Short Description: RECTIFIER BRIDGE 100V 15A MB
More Detail: Bridge Rectifier Single Phase Standard 100V QC Ter...
DataSheet: MB151 datasheetMB151 Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Packaging: Bulk 
Part Status: Obsolete
Diode Type: Single Phase
Technology: Standard
Voltage - Peak Reverse (Max): 100V
Current - Average Rectified (Io): 15A
Voltage - Forward (Vf) (Max) @ If: 1.1V @ 7.5A
Current - Reverse Leakage @ Vr: 10µA @ 100V
Operating Temperature: -55°C ~ 150°C (TJ)
Mounting Type: QC Terminal
Package / Case: 4-Square, MB
Supplier Device Package: MB
Base Part Number: MB151
Description

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Diodes - Bridge Rectifiers - MB151 application field and working principle

The MB151 power diode series, produced by German semiconductor manufacturer Würth Elektronik, is based on a bridge rectifier architecture that comprises four 1.1 Amp diodes. It is designed for space-limited DC power applications with their small size and easy assembly. This paper discusses the application field and working principle of the MB151 bridge rectifier.

Application Field of MB151 Bridge Rectifier

The MB151 is mostly applied when a relatively low-power DC voltage source is required, such as in automotive, solar power and consumer electronics, among many other uses. The ability to provide up to 1.1 Amps of sustained current output makes it a great choice for powering relatively low-power devices and accessories. The rectifier housing is also designed with thermal stability in mind, allowing it to efficiently dissipate heat so that components downstream of the bridge rectifier remain viable.

The rectifier housing also provides a great degree of versatility in its application field. Because it has a small form factor, the MB151 can easily be used in areas that may have limited real estate. It can be mounted easily and securely, making it a great choice for applications in which portability is strongly desired.

Working Principle of MB151 Bridge Rectifier

The bridge rectifier circuit works by charging the two capacitors alternatively, depending on the polarity of the power source. This occurs when the NPN transistors serve as a switch, either connecting the two capacitors together and charging them up with the same polarity or otherwise separating them and charging them up with opposite polarities. This allows the capacitors to maintain a constant voltage across them, regardless of the input power source and its polarity, thus providing a reliable DC voltage supply. Then, a switchmode controller is used to limit the current and to select the desired output voltage.

The MB151 bridge rectifier also offers an enhanced performance over other available rectifiers around its size, thanks to its improved power density, reliability and efficiency. This is mainly due to its four-diode architecture, which features two additional higher-voltage models to provide enhanced power capabilities. It also features a wide operating temperature range, allowing it to withstand extreme temperatures, making it suitable for use in most applications.

Additionally, the bridge rectifier features a built-in thermal protection circuit that prevents overheating, thus ensuring the safety of the local electrical system and its components. The unit also has a built-in reverse-current protection mechanism, thanks to the four individual diodes in the circuit. This prevents the possibility of reversed currents flowing back into the power source, which could potentially damage it.

In conclusion, the MB151 is a great choice for low-power DC power applications due to its small size, thermal stability and high power density. Furthermore, its four-diode architecture allows for enhanced performance, with reverse-current protection and thermal protection built in.

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

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