SDT12A120P5-7D vs SBRT15M50AP5-13
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Diodes Incorporated | Diodes Incorporated |
| Description | DIODE SCHOTTKY 120V 12A POWRDI 5 | DIODE SBR 50V 15A POWERDI5 |
| Package | Tape & Box (TB) | -Reel® |
| Series | - | TrenchSBR |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | PowerDI™ 5 | PowerDI™ 5 |
| Supplier Device Package | PowerDI™ 5 | PowerDI™ 5 |
| Diode Type | Schottky | Super Barrier |
| Current - Average Rectified (Io) | 12A | 15A |
| Voltage - Forward (Vf) (Max) @ If | 800 mV @ 12 A | 540 mV @ 15 A |
| Current - Reverse Leakage @ Vr | 500 µA @ 120 V | 150 µA @ 50 V |
| Capacitance @ Vr, F | - | - |
| Voltage - DC Reverse (Vr) (Max) | 120 V | 50 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Standard Recovery >500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | - |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°C |
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1. What is the difference between a single rectifier diode and a bridge rectifier?
A single rectifier diode can only rectify the positive half wave of AC power (half wave rectification), while a bridge rectifier composed of four diodes can rectify the positive and negative half waves of AC power (full wave rectification), with higher efficiency and smoother output.
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2. What is the difference between Schottky diodes and traditional silicon rectifier diodes?
Schottky diodes have a lower forward voltage drop (typically 0.2V to 0.3V) and faster switching speed, making them suitable for high-frequency applications. However, their reverse voltage is relatively low and is typically used in circuits with lower voltages.
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3. Can a single rectifier diode be used for high-frequency applications?
Traditional silicon rectifier diodes are not suitable for high-frequency applications because their reverse recovery time is relatively long. For high-frequency applications, fast recovery diodes or Schottky diodes are typically used to reduce switching losses and improve efficiency.
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4. How to improve the efficiency of rectifier diodes?
The use of Schottky diodes or fast recovery diodes can reduce forward voltage drop and reverse recovery time, thereby improving the efficiency of rectifier circuits, especially in high-frequency applications.

