S5KHE3_A/I vs S5JHE3_A/I
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Vishay Semiconductor - Diodes Division |
| Description | DIODE GEN PURP 800V 5A DO214AB | DIODE GEN PURP 600V 5A DO214AB |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | Automotive, AEC-Q101 | Automotive, AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AB, SMC | DO-214AB, SMC |
| Supplier Device Package | DO-214AB (SMC) | DO-214AB (SMC) |
| Diode Type | Standard | Standard |
| Current - Average Rectified (Io) | 5A | 5A |
| Voltage - Forward (Vf) (Max) @ If | 1.15 V @ 5 A | 1.15 V @ 5 A |
| Current - Reverse Leakage @ Vr | 10 µA @ 800 V | 10 µA @ 600 V |
| Capacitance @ Vr, F | 40pF @ 4V, 1MHz | 40pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 800 V | 600 V |
| Speed | Standard Recovery >500ns, > 200mA (Io) | Standard Recovery >500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 2.5 µs | 2.5 µs |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°C |
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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 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. What is the reverse recovery time of a rectifier diode?
Reverse recovery time refers to the time required for a diode to transition from a forward conducting state to a reverse blocking state. A shorter reverse recovery time is particularly important in high-frequency applications to reduce power loss.
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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.
