SS3P3LHM3_A/I vs ST12100STR
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | SMC Diode Solutions |
| Description | DIODE SCHOTTKY 30V 3A TO277A | DIODE SCHOTTKY 100V 12A TO277B |
| Package | Tape & Reel (TR) | -Reel® |
| Series | Automotive, AEC-Q101 | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-277, 3-PowerDFN | TO-277, 3-PowerDFN |
| Supplier Device Package | TO-277A (SMPC) | TO-277B |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 3A | 12A |
| Voltage - Forward (Vf) (Max) @ If | 470 mV @ 3 A | 700 mV @ 12 A |
| Current - Reverse Leakage @ Vr | 250 µA @ 30 V | 300 µA @ 100 V |
| Capacitance @ Vr, F | - | 660pF @ 5V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 30 V | 100 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | - |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°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. How to improve the efficiency of rectifier diodes?
The use of Schottky diodes or fast recovery diodes can reduce forward voltage drop and reverse recovery time, thereby improving the efficiency of rectifier circuits, especially in high-frequency applications.
