PMEG45T15EPDAZ vs NSF8KT-E3/45
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Nexperia USA Inc. | Vishay Semiconductor - Diodes Division |
| Description | DIODE SCHOTTKY 45V 15A CFP15 | DIODE GEN PURP 800V 8A ITO220AC |
| Package | -Reel® | Tube |
| Series | - | - |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | TO-277, 3-PowerDFN | TO-220-2 Full Pack, Isolated Tab |
| Supplier Device Package | CFP15 | ITO-220AC |
| Diode Type | Schottky | Standard |
| Current - Average Rectified (Io) | 15A | 8A |
| Voltage - Forward (Vf) (Max) @ If | 580 mV @ 15 A | 1.1 V @ 8 A |
| Current - Reverse Leakage @ Vr | 100 µA @ 45 V | 10 µA @ 800 V |
| Capacitance @ Vr, F | 2200pF @ 1V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 45 V | 800 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Standard Recovery >500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 20 ns | - |
| Operating Temperature - Junction | 150°C (Max) | -55°C ~ 150°C |
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1. What is the maximum reverse voltage (PIV) of a rectifier diode?
The Peak Inverse Voltage (PIV) is the maximum reverse voltage that a diode can withstand. When selecting a diode, the PIV must be higher than the maximum reverse voltage in the circuit, usually twice or more the input voltage.
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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.
