SFS1001GHMNG vs SRAS850HMNG
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Taiwan Semiconductor Corporation | Taiwan Semiconductor Corporation |
| Description | DIODE GEN PURP 50V 10A TO263AB | DIODE SCHOTTKY 50V 8A TO263AB |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | Automotive, AEC-Q101 | Automotive, AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
| Supplier Device Package | TO-263AB (D²PAK) | TO-263AB (D²PAK) |
| Diode Type | Standard | Schottky |
| Current - Average Rectified (Io) | 10A | 8A |
| Voltage - Forward (Vf) (Max) @ If | 975 mV @ 5 A | 700 mV @ 8 A |
| Current - Reverse Leakage @ Vr | 1 µA @ 50 V | 100 µA @ 50 V |
| Capacitance @ Vr, F | 70pF @ 4V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 50 V | 50 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 35 ns | - |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 150°C |
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1. How to choose the appropriate rectifier diode?
When making a choice, the following factors need to be considered:
Current capacity: Determine the maximum current that the diode needs to handle.
Reverse voltage: Ensure that the reverse voltage of the diode can withstand the highest voltage in the circuit.
Forward voltage drop: A lower forward voltage drop can improve circuit efficiency.
Recovery time: For high-frequency applications, choose fast recovery or Schottky diodes. -
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 identify the polarity of a single rectifier diode?
Rectifying diodes usually have polarity markings, with the positive (anode) of the diode being "+" and the negative (cathode) being "-". On the packaging of diodes, there is usually a circular mark on the cathode side indicating the direction of the diode.
