PMEG45T15EPDAZ vs SL43HE3_A/H
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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 SCHOTTKY 30V 4A DO214AB |
| Package | -Reel® | Tape & Reel (TR) |
| Series | - | Automotive, AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-277, 3-PowerDFN | DO-214AB, SMC |
| Supplier Device Package | CFP15 | DO-214AB (SMC) |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 15A | 4A |
| Voltage - Forward (Vf) (Max) @ If | 580 mV @ 15 A | 420 mV @ 4 A |
| Current - Reverse Leakage @ Vr | 100 µA @ 45 V | 500 µA @ 30 V |
| Capacitance @ Vr, F | 2200pF @ 1V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 45 V | 30 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 20 ns | - |
| Operating Temperature - Junction | 150°C (Max) | -55°C ~ 125°C |
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1. What is the working principle of a single rectifier diode?
A rectifier diode conducts current when forward biased, converting the positive half wave of alternating current into direct current. When reverse biased, the diode blocks the current, thereby preventing the negative half wave from passing through and achieving rectification effect.
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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 are the packaging types of rectifier diodes?
There are various packaging types for rectifier diodes, including axial pin packaging (such as DO-41), surface mount packaging (such as SMA, SMB), and high-power packaging (such as TO-220). When selecting, the appropriate packaging should be chosen based on the application's heat dissipation requirements and installation method.
