UH10FT-E3/4W vs VS-ETU1506-M3
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Vishay Semiconductor - Diodes Division |
| Description | DIODE GEN PURP 300V 10A TO220AC | DIODE GEN PURP 600V 15A TO220-2 |
| Package | Cut Tape (CT) | -Reel® |
| Series | - | FRED Pt® |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | TO-220-2 | TO-220-2 |
| Supplier Device Package | TO-220AC | TO-220AC |
| Diode Type | Standard | Standard |
| Current - Average Rectified (Io) | 10A | 15A |
| Voltage - Forward (Vf) (Max) @ If | 1.2 V @ 10 A | 1.9 V @ 15 A |
| Current - Reverse Leakage @ Vr | 5 µA @ 300 V | 15 µA @ 600 V |
| Capacitance @ Vr, F | - | - |
| Voltage - DC Reverse (Vr) (Max) | 300 V | 600 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 35 ns | 40 ns |
| Operating Temperature - Junction | -55°C ~ 175°C | -65°C ~ 175°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 forward voltage drop?
Forward voltage drop refers to the voltage drop generated when the current passes through a diode when it is conducting. The forward voltage drop of silicon rectifier diodes is usually around 0.7V, while the forward voltage drop of Schottky diodes is usually lower, between 0.2V and 0.3V.
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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. 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.
