CMR3U-06 BK vs VF20100SG-M3/4W
| 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 3A SMC | DIODE SCHOTTKY 20A 100V ITO220AB |
| Package | DO-214AB, SMC | Bulk |
| Series | - | - |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | DO-214AB, SMC | TO-220-3 Isolated Tab |
| Supplier Device Package | SMC | ITO-220AB |
| Diode Type | Standard | Schottky |
| Current - Average Rectified (Io) | 3A | 20A |
| Voltage - Forward (Vf) (Max) @ If | 1.4V @ 3A | 1.07 V @ 20 A |
| Current - Reverse Leakage @ Vr | 5µA @ 600V | 350 µA @ 100 V |
| Voltage - DC Reverse (Vr) (Max) | 600V | 100 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 100ns | - |
| Operating Temperature - Junction | -65°C ~ 175°C | -40°C ~ 150°C |
| Capacitance @ Vr, F | - | - |
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1. 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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2. 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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3. What is the difference between a single rectifier diode and a bridge rectifier?
A single rectifier diode can only rectify the positive half wave of AC power (half wave rectification), while a bridge rectifier composed of four diodes can rectify the positive and negative half waves of AC power (full wave rectification), with higher efficiency and smoother output.
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4. What is the reverse recovery time of a rectifier diode?
Reverse recovery time refers to the time required for a diode to transition from a forward conducting state to a reverse blocking state. A shorter reverse recovery time is particularly important in high-frequency applications to reduce power loss.
