V10PM12-M3/87A vs 10MQ040NTR
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Vishay Semiconductor - Diodes Division |
| Description | DIODE SCHOTTKY 120V 3.9A TO277A | DIODE SCHOTTKY 40V 1.5A SMA |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-277, 3-PowerDFN | DO-214AC, SMA |
| Supplier Device Package | TO-277A (SMPC) | DO-214AC (SMA) |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 3.9A (DC) | 1.5A |
| Voltage - Forward (Vf) (Max) @ If | 830 mV @ 10 A | 540 mV @ 1 A |
| Current - Reverse Leakage @ Vr | 400 µA @ 120 V | 500 µA @ 40 V |
| Capacitance @ Vr, F | - | - |
| Voltage - DC Reverse (Vr) (Max) | 120 V | 40 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | - |
| Operating Temperature - Junction | -40°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. 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.
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4. What are the packaging types of rectifier diodes?
There are various packaging types for rectifier diodes, including axial pin packaging (such as DO-41), surface mount packaging (such as SMA, SMB), and high-power packaging (such as TO-220). When selecting, the appropriate packaging should be chosen based on the application's heat dissipation requirements and installation method.
