CMMR1U-06 TR vs RS3KHE3_A/I
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Central Semiconductor Corp | Vishay Semiconductor - Diodes Division |
| Description | DIODE GEN PURP 600V 1A SOD123F | DIODE GEN PURP 800V 3A DO214AB |
| Package | SOD-123F | Tape & Reel (TR) |
| Series | - | Automotive, AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SOD-123F | DO-214AB, SMC |
| Supplier Device Package | SOD-123F | DO-214AB (SMC) |
| Diode Type | Standard | Standard |
| Current - Average Rectified (Io) | 1A | 3A |
| Voltage - Forward (Vf) (Max) @ If | 1.7V @ 1A | 1.3 V @ 2.5 A |
| Current - Reverse Leakage @ Vr | 1µA @ 600V | 10 µA @ 800 V |
| Capacitance @ Vr, F | 9pF @ 4V, 1MHz | 34pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 600V | 800 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 100ns | 500 ns |
| Operating Temperature - Junction | -65°C ~ 150°C | -55°C ~ 150°C |
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1. What are the common applications of a single rectifier diode?
They are commonly used in power circuits, chargers, AC to DC converters, motor drives, circuit protection, and other electronic devices to convert AC power to DC power or protect circuits from reverse current.
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2. 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. -
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.
