ES3A-M3/57T vs SK1840DTR
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | SMC Diode Solutions |
| Description | DIODE GEN PURP 50V 3A DO214AB | DIODE SCHOTTKY 40V 18A D2PAK |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AB, SMC | TO-263-3, D²Pak (2 Leads + Tab), TO-263AB |
| Supplier Device Package | DO-214AB (SMC) | D2PAK |
| Diode Type | Standard | Schottky |
| Current - Average Rectified (Io) | 3A | 18A |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 3 A | 500 mV @ 5 A |
| Current - Reverse Leakage @ Vr | 10 µA @ 50 V | 500 µA @ 40 V |
| Capacitance @ Vr, F | 45pF @ 4V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 50 V | 40 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 30 ns | - |
| Operating Temperature - Junction | -55°C ~ 150°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. 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. -
3. 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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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.
