ES2B/1 vs SF45GHR0G
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Taiwan Semiconductor Corporation |
| Description | DIODE GEN PURP 100V 2A DO214AA | DIODE GEN PURP 300V 4A DO201AD |
| Package | Tape & Reel (TR) | -Reel® |
| Series | - | Automotive, AEC-Q101 |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | DO-214AA, SMB | DO-201AD, Axial |
| Supplier Device Package | DO-214AA (SMB) | DO-201AD |
| Diode Type | Standard | Standard |
| Current - Average Rectified (Io) | 2A | 4A |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 2 A | 1.3 V @ 4 A |
| Current - Reverse Leakage @ Vr | 10 µA @ 100 V | 5 µA @ 300 V |
| Capacitance @ Vr, F | 18pF @ 4V, 1MHz | 80pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 100 V | 300 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 30 ns | 35 ns |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°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. 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.
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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.

