STPSC8H065G-TR vs STTH30R02DJF-TR
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Description | DIODE SCHOTTKY 650V 8A D2PAK | DIODE GP 200V 30A POWERFLAT |
| Package | -Reel® | Cut Tape (CT) |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB | 8-PowerVDFN |
| Supplier Device Package | D²PAK | PowerFlat™ (5x6) |
| Diode Type | Silicon Carbide Schottky | Standard |
| Current - Average Rectified (Io) | 8A | 30A |
| Voltage - Forward (Vf) (Max) @ If | 1.75 V @ 8 A | 1.15 V @ 30 A |
| Current - Reverse Leakage @ Vr | 80 µA @ 650 V | 10 µA @ 200 V |
| Capacitance @ Vr, F | 414pF @ 0V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 650 V | 200 V |
| Speed | No Recovery Time > 500mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 0 ns | 50 ns |
| Operating Temperature - Junction | -40°C ~ 175°C | 175°C (Max) |
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1. How to choose the appropriate rectifier diode?
When making a choice, the following factors need to be considered:
Current capacity: Determine the maximum current that the diode needs to handle.
Reverse voltage: Ensure that the reverse voltage of the diode can withstand the highest voltage in the circuit.
Forward voltage drop: A lower forward voltage drop can improve circuit efficiency.
Recovery time: For high-frequency applications, choose fast recovery or Schottky diodes. -
2. 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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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.
