SR802 A0G vs SF42GHB0G
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation |
| Description | DIODE SCHOTTKY 20V 8A DO201AD | DIODE GEN PURP 100V 4A DO201AD |
| Package | Tape & Box (TB) | Bulk |
| Series | - | Automotive, AEC-Q101 |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | DO-201AD, Axial | DO-201AD, Axial |
| Supplier Device Package | DO-201AD | DO-201AD |
| Diode Type | Schottky | Standard |
| Current - Average Rectified (Io) | 8A | 4A |
| Voltage - Forward (Vf) (Max) @ If | 550 mV @ 8 A | 1 V @ 4 A |
| Current - Reverse Leakage @ Vr | 500 µA @ 20 V | 5 µA @ 100 V |
| Capacitance @ Vr, F | - | 100pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 20 V | 100 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | 35 ns |
| Operating Temperature - Junction | -55°C ~ 125°C | -55°C ~ 150°C |
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1. What is a single rectifier diode?
A single rectifier diode is an electronic component used to convert alternating current (AC) to direct current (DC), typically used in power supplies, chargers, and other circuits that require DC power.
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2. 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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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 determine if the rectifier diode is damaged?
Use a multimeter to measure the forward and reverse resistance of a diode. If the diode exhibits low impedance or high impedance in both directions, it may have been damaged. Under normal circumstances, there should be low impedance when conducting in the forward direction, and high impedance when conducting in the reverse direction.
