SS34-3HE3/9AT vs SDT8A100P5-13D
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Diodes Incorporated |
| Description | DIODE SCHOTTKY 40V 3A DO214AB | DIODE SCHOTTKY 100V 8A POWERDI 5 |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AB, SMC | PowerDI™ 5 |
| Supplier Device Package | DO-214AB (SMC) | PowerDI™ 5 |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 3A | 8A |
| Voltage - Forward (Vf) (Max) @ If | 500 mV @ 3 A | 700 mV @ 8 A |
| Current - Reverse Leakage @ Vr | 500 µA @ 40 V | 100 µA @ 100 V |
| Capacitance @ Vr, F | - | - |
| Voltage - DC Reverse (Vr) (Max) | 40 V | 100 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | - |
| 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. 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 the maximum reverse voltage (PIV) of a rectifier diode?
The Peak Inverse Voltage (PIV) is the maximum reverse voltage that a diode can withstand. When selecting a diode, the PIV must be higher than the maximum reverse voltage in the circuit, usually twice or more the input voltage.
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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.
