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Vishay Bridge Rectifier 400 V 300 A Through Hole 4-Pin Single KBU8G-E4/51
Specifications
| Country of Origin | China |
|---|---|
| Brand | Vishay |
| Height | 19.3mm |
| Length | 23.7mm |
| Model | KBU8G-E4/51 |
| Width | 7.1mm |
| Mount Type | Through Hole |
| Series | KUB8 |
| Configuration | Single |
| Maximum Operating Temperature | 150°C |
| Package Type | KBU |
| Minimum Operating Temperature | -50°C |
| Number of Phases | 1 |
| Pin Count | 4 |
| Peak Reverse Repetitive Voltage Vrrm | 400V |
| Peak Reverse Current Ir | 10μA |
| Peak Non-Repetitive Forward Surge Current Ifsm | 300A |
| Forward Current If | 8A |
| Peak Forward Voltage Vf | 1V |
| Vishay Bridge Rectifier, 800 V 300 A, 4-Pin SingleBrand | Vishay |
| Vishay Bridge Rectifier, 8A, 400V, 4-PinBrand | Vishay |
Key Features
- Designed for through-hole mounting on printed circuit boards.
- Supports a forward current of 8 A for continuous operation.
- Operates reliably at maximum temperatures up to 150°C and minimum down to -50°C.
- KBU series with high surge current capability and isolating voltage of 1500 Vrms.
- Features soldering pins designed for reliable PCB mounting.
- Provides full-wave rectification with single-phase diode arrangement.
- Suitable for industrial and electronic power conversion applications.
- Manufactured in China with UL approval E54214 for quality assurance.
Product Description
Vishay KBU8G-E4/51 bridge rectifier is a discrete semiconductor device designed to convert alternating current (AC) into direct current (DC) using full-wave rectification. It operates at a peak reverse repetitive voltage of 400 V and supports a high forward surge current of 300 A, making it suitable for demanding industrial and electronic power applications.
This model belongs to the KBU8 series, featuring a robust through-hole mounting package with 4 pins configured as a single-phase bridge. The device is engineered for enhanced thermal performance with a maximum operating temperature of 150°C and a minimum of -50°C, allowing operation in varied environments.
The bridge rectifier has compact dimensions (23.7 mm in length, 7.1 mm width, and 19.3 mm height) with pins optimized for soldering onto printed circuit boards (PCB). Its isolating voltage rating of 1500 Vrms ensures electrical insulation suitable for high-voltage applications. The low peak forward voltage drop of 1 V and minimal reverse current of 10 μA contribute to efficient operation with reduced losses.
Designed following industry standards with UL approval E54214, this Vishay bridge rectifier is ideal for power supply units, inverters, battery chargers, and other industrial electronic circuits where reliable conversion of AC to DC is critical.
Through-hole mounting with 4-pin single-phase configuration. Peak Reverse Voltage: 400 V; Forward Current: 8 A continuous. High surge current tolerance: 300 A peak. Operating temperature range from -50°C to 150°C. Compact form factor with KBU package type.
Isolating voltage rating: 1500 Vrms for safety. Low forward voltage drop and minimal reverse leakage current. UL approved for quality and reliability assurance. Manufactured in China.
This Vishay KBU8G-E4/51 Bridge Rectifier represents a high-performance, reliable component suitable for use in electronics manufacturing, automation, power supply design, and industrial control systems. Explore our electronics and semiconductor offerings for compatible components and tools.
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Frequently Asked Questions
The Vishay KBU8G-E4/51 bridge rectifier has a peak reverse repetitive voltage rating of 400 V.
This model can handle a peak non-repetitive forward surge current of 300 A.
The continuous forward current rating for the KBU8G-E4/51 is 8 A.
The dimensions of this bridge rectifier are 23.7 mm in length, 7.1 mm in width, and 19.3 mm in height.
It operates reliably within a temperature range of -50°C to 150°C.
The KBU8G-E4/51 is designed for through-hole mounting on printed circuit boards.
The isolating voltage rating for this bridge rectifier is 1500 Vrms.
This model features a single-phase configuration with 4 pins.
The peak forward voltage drop for the KBU8G-E4/51 is 1 V.
The peak reverse current for this bridge rectifier is 10 μA.
Yes, the KBU8G-E4/51 has UL approval E54214 for quality assurance.
This bridge rectifier is suitable for industrial and electronic power conversion applications, including power supply units and battery chargers.
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