SJPB-H4V vs SJPB-H6V
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Sanken | Sanken |
| Description | DIODE SCHOTTKY 40V 2A SJP | DIODE SCHOTTKY 60V 2A SJP |
| Package | Bulk | Bulk |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 2-SMD, J-Lead | 2-SMD, J-Lead |
| Supplier Device Package | SJP | SJP |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 2A | 2A |
| Voltage - Forward (Vf) (Max) @ If | 550 mV @ 2 A | 690 mV @ 2 A |
| Current - Reverse Leakage @ Vr | 200 µA @ 40 V | 200 µA @ 60 V |
| Capacitance @ Vr, F | - | - |
| Voltage - DC Reverse (Vr) (Max) | 40 V | 60 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | - |
| Operating Temperature - Junction | -40°C ~ 150°C | -40°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 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. 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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4. 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.
