CMDD4448 TR vs SD2114S040S5R0
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Central Semiconductor Corp | KYOCERA AVX |
| Description | DIODE GEN PURP 75V 250MA SOD323 | DIODE SCHOTTKY 40V 5A SMB |
| Package | SC-76, SOD-323 | -Reel® |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SC-76, SOD-323 | 2-SMD, No Lead |
| Supplier Device Package | SOD-323 | 2114/DO-214AA |
| Diode Type | Standard | Schottky |
| Current - Average Rectified (Io) | 250mA | 5A (DC) |
| Voltage - Forward (Vf) (Max) @ If | 1V @ 100mA | 550 mV @ 5 A |
| Current - Reverse Leakage @ Vr | 25nA @ 20V | 500 µA @ 40 V |
| Capacitance @ Vr, F | 4pF @ 0V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 75V | 40 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 4ns | - |
| Operating Temperature - Junction | -65°C ~ 175°C | -55°C ~ 125°C |
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1. What is a single rectifier diode?
A single rectifier diode is an electronic component used to convert alternating current (AC) to direct current (DC), typically used in power supplies, chargers, and other circuits that require DC power.
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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. 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 identify the polarity of a single rectifier diode?
Rectifying diodes usually have polarity markings, with the positive (anode) of the diode being "+" and the negative (cathode) being "-". On the packaging of diodes, there is usually a circular mark on the cathode side indicating the direction of the diode.
