MBRD5200TR vs BAS40T-7-F
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | SMC Diode Solutions | Diodes Incorporated |
| Description | DIODE SCHOTTKY 200V 5A DPAK | DIODE SCHOTTKY 40V 200MA SOT523 |
| Package | Tape & Reel (TR) | -Reel® |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 | SOT-523 |
| Supplier Device Package | DPAK | SOT-523 |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 5A | 200mA (DC) |
| Voltage - Forward (Vf) (Max) @ If | 920 mV @ 5 A | 1 V @ 40 mA |
| Current - Reverse Leakage @ Vr | 1 mA @ 200 V | 200 nA @ 30 V |
| Capacitance @ Vr, F | 150pF @ 5V, 1MHz | 5pF @ 0V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 200 V | 40 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Small Signal =< 200mA (Io), Any Speed |
| Reverse Recovery Time (trr) | - | 5 ns |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 125°C |
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1. 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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2. Can a single rectifier diode be used for high-frequency applications?
Traditional silicon rectifier diodes are not suitable for high-frequency applications because their reverse recovery time is relatively long. For high-frequency applications, fast recovery diodes or Schottky diodes are typically used to reduce switching losses and improve efficiency.
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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. 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.
