SS5P3HM3_A/I vs SF44G R0G
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Taiwan Semiconductor Corporation |
| Description | DIODE SCHOTTKY 30V 5A TO277A | DIODE GEN PURP 200V 4A DO201AD |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | Automotive, AEC-Q101 | - |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | TO-277, 3-PowerDFN | DO-201AD, Axial |
| Supplier Device Package | TO-277A (SMPC) | DO-201AD |
| Diode Type | Schottky | Standard |
| Current - Average Rectified (Io) | 5A | 4A |
| Voltage - Forward (Vf) (Max) @ If | 520 mV @ 5 A | 1 V @ 4 A |
| Current - Reverse Leakage @ Vr | 250 µA @ 30 V | 5 µA @ 200 V |
| Capacitance @ Vr, F | - | 100pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 30 V | 200 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | 35 ns |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°C |
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1. What is a fast recovery diode?
Fast recovery diode is a special type of rectifier diode with a short reverse recovery time, suitable for high-frequency power supplies and switch mode power supplies (SMPS) applications, reducing switching losses.
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2. 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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3. How to determine if the rectifier diode is damaged?
Use a multimeter to measure the forward and reverse resistance of a diode. If the diode exhibits low impedance or high impedance in both directions, it may have been damaged. Under normal circumstances, there should be low impedance when conducting in the forward direction, and high impedance when conducting in the reverse direction.
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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.
