SK55C R7 vs BAT721C/ZLR
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Taiwan Semiconductor Corporation | NXP USA Inc. |
| Description | DIODE SCHOTTKY DO214AB | DIODE SCHOTTKY TO-236AB |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Mounting Type | Surface Mount | - |
| Package / Case | DO-214AB, SMC | - |
| Supplier Device Package | DO-214AB (SMC) | - |
| Diode Type | Schottky | - |
| Current - Average Rectified (Io) | 5A | - |
| Voltage - Forward (Vf) (Max) @ If | 750 mV @ 5 A | - |
| Current - Reverse Leakage @ Vr | 500 µA @ 50 V | - |
| Capacitance @ Vr, F | - | - |
| Voltage - DC Reverse (Vr) (Max) | 50 V | - |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | - |
| Reverse Recovery Time (trr) | - | - |
| Operating Temperature - Junction | -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 a fast recovery diode?
Fast recovery diode is a special type of rectifier diode with a short reverse recovery time, suitable for high-frequency power supplies and switch mode power supplies (SMPS) applications, reducing switching losses.
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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.
