AU2PJHM3_A/I vs AR3PJHM3_A/I
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Vishay Semiconductor - Diodes Division |
| Description | DIODE AVALANCHE 600V 1.6A TO277A | DIODE AVALANCHE 600V 1.8A TO277A |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | Automotive, AEC-Q101, eSMP® | Automotive, AEC-Q101, eSMP® |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-277, 3-PowerDFN | TO-277, 3-PowerDFN |
| Supplier Device Package | TO-277A (SMPC) | TO-277A (SMPC) |
| Diode Type | Avalanche | Avalanche |
| Current - Average Rectified (Io) | 1.6A | 1.8A |
| Voltage - Forward (Vf) (Max) @ If | 1.9 V @ 2 A | 1.6 V @ 3 A |
| Current - Reverse Leakage @ Vr | 10 µA @ 600 V | 10 µA @ 600 V |
| Capacitance @ Vr, F | 42pF @ 4V, 1MHz | 44pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 600 V | 600 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | 75 ns | 140 ns |
| Operating Temperature - Junction | -55°C ~ 175°C | -55°C ~ 175°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. How to determine if the rectifier diode is damaged?
Use a multimeter to measure the forward and reverse resistance of a diode. If the diode exhibits low impedance or high impedance in both directions, it may have been damaged. Under normal circumstances, there should be low impedance when conducting in the forward direction, and high impedance when conducting in the reverse direction.
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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.
