AS4PK-M3/86A vs CMHSH-3 BK
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Central Semiconductor Corp |
| Description | DIODE AVALANCHE 800V 2.4A TO277A | DIODE SCHOTTKY 30V 200MA SOD123 |
| Package | Bulk | SOD-123 |
| Series | eSMP® | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-277, 3-PowerDFN | SOD-123 |
| Supplier Device Package | TO-277A (SMPC) | SOD-123 |
| Diode Type | Avalanche | Schottky |
| Current - Average Rectified (Io) | 2.4A (DC) | 200mA |
| Voltage - Forward (Vf) (Max) @ If | 962 mV @ 2 A | 1V @ 100mA |
| Current - Reverse Leakage @ Vr | 10 µA @ 800 V | 2µA @ 25V |
| Capacitance @ Vr, F | 60pF @ 4V, 1MHz | 7pF @ 1V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 800 V | 30V |
| Speed | Standard Recovery >500ns, > 200mA (Io) | Small Signal =< 200mA (Io), Any Speed |
| Reverse Recovery Time (trr) | 1.8 µs | 7ns |
| Operating Temperature - Junction | -55°C ~ 175°C | -65°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. 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. 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.
