G2SBA80-E3/51 vs GBU1501TB
| Part Number |
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| Category | Diodes - Bridge Rectifiers | Diodes - Bridge Rectifiers |
| Manufacturer | Vishay Semiconductor - Diodes Division | SMC Diode Solutions |
| Description | BRIDGE RECT 1PHASE 800V 1.5A GBL | BRIDGE RECT 1PHASE 100V 15A GBU |
| Package | Bulk | -Reel® |
| Series | - | - |
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 4-SIP, GBL | 4-ESIP |
| Supplier Device Package | GBL | GBU |
| Technology | Standard | Standard |
| Diode Type | Single Phase | Single Phase |
| Voltage - Peak Reverse (Max) | 800 V | 100 V |
| Current - Average Rectified (Io) | 1.5 A | 15 A |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 750 mA | 1.1 V @ 15 A |
| Current - Reverse Leakage @ Vr | 5 µA @ 800 V | 5 µA @ 100 V |
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1. What is the working principle of bridge rectifier?
The bridge rectifier converts the input AC power into DC power through an arrangement of four diodes. Every half cycle, two diodes conduct, converting both positive and negative half waves of alternating current into direct current in the same direction.
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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 choose a suitable bridge rectifier?
When choosing a bridge rectifier, the following factors need to be considered:
Current capacity: Select the appropriate rectification current capacity according to the load demand.
Voltage level: Ensure that the rectifier can withstand the maximum peak voltage of the input.
Forward voltage drop: The lower the forward voltage drop, the higher the efficiency.
Packaging form: Choose the packaging type that is suitable for the circuit board or heat dissipation requirements. -
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.

