MSD100-08 vs MSD130-12
| Part Number |
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| Category | Diodes - Bridge Rectifiers | Diodes - Bridge Rectifiers |
| Manufacturer | Microsemi Corporation | Microsemi Corporation |
| Description | BRIDGE RECT 3PHASE 800V 100A M3 | BRIDGE RECT 3PHASE 1.2KV 130A M3 |
| Package | Bulk | Bulk |
| Series | - | - |
| Operating Temperature | -40°C ~ 150°C (TJ) | -40°C ~ 150°C (TJ) |
| Mounting Type | Chassis Mount | Chassis Mount |
| Package / Case | SM3-20H | M3 |
| Supplier Device Package | M3 | M3 |
| Technology | Standard | Standard |
| Diode Type | Three Phase | Three Phase |
| Voltage - Peak Reverse (Max) | 800 V | 1.2 kV |
| Current - Average Rectified (Io) | 100 A | 130 A |
| Voltage - Forward (Vf) (Max) @ If | 1.9 V @ 300 A | 1.8 V @ 300 A |
| Current - Reverse Leakage @ Vr | 300 µA @ 800 V | 300 µA @ 1200 V |
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1. What is a bridge rectifier?
A bridge rectifier is a circuit composed of four diodes used to convert alternating current (AC) to direct current (DC). It is a common type of rectifier circuit widely used in devices such as power supplies and chargers.
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2. What are the advantages of bridge rectifier compared to single diode rectifier?
Bridge rectifier is more efficient than single diode (half wave) rectifier because it can use two and a half cycles of AC power, not just one and a half cycles, thereby improving the output power efficiency and stability.
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3. How to improve the efficiency of bridge rectifier?
The use of Schottky diodes in bridge rectifiers can reduce forward voltage drop and improve efficiency. In addition, increasing the filtering capacitor and optimizing the heat dissipation design can also improve the performance and efficiency of the rectifier.
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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.

