RMB4S-E3/80 vs GHXS045A120S-D1
| Part Number |
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| Category | Diodes - Bridge Rectifiers | Diodes - Bridge Rectifiers |
| Manufacturer | Vishay Semiconductor - Diodes Division | Global Power Technologies Group |
| Description | BRIDGE RECT 1P 400V TO269AA | MOD SBD BRIDGE 1200V 45A SOT227 |
| Package | Cut Tape (CT) | SOT-227-4, miniBLOC |
| Series | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 175°C (TJ) |
| Mounting Type | Surface Mount | Chassis Mount |
| Package / Case | TO-269AA, 4-BESOP | SOT-227-4, miniBLOC |
| Supplier Device Package | TO-269AA (MBS) | SOT-227 |
| Technology | Standard | Silicon Carbide Schottky |
| Diode Type | Single Phase | Single Phase |
| Voltage - Peak Reverse (Max) | 400 V | 1.2kV |
| Current - Average Rectified (Io) | 500 mA | 45A |
| Voltage - Forward (Vf) (Max) @ If | 1.25 V @ 400 mA | 1.7V @ 45A |
| Current - Reverse Leakage @ Vr | 5 µA @ 400 V | 300µA @ 1200V |
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1. What are the common applications of bridge rectifiers?
Bridge rectifiers are widely used in power supplies, chargers, household appliances, power tools, lighting systems, and various electronic devices to provide stable DC power.
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2. Does the bridge rectifier require heat dissipation?
Yes, high-power bridge rectifiers typically generate a large amount of heat and require cooling through radiators or cooling schemes to reduce temperature and prevent component damage due to overheating.
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3. How to reduce the ripple voltage of bridge rectifier?
Ripple voltage can be reduced by adding filtering capacitors or using more complex filters (such as inductive filters) in the rectifier circuit, resulting in a smoother DC output.
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4. Can bridge rectifiers be used for high-frequency applications?
Traditional silicon bridge rectifiers have low efficiency in high-frequency applications and are prone to significant power losses. However, bridge rectifiers using Schottky diodes or fast recovery diodes can significantly improve high-frequency rectification performance.

