MBRD5200TR vs RB500VM-40TE-17
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | SMC Diode Solutions | Rohm Semiconductor |
| Description | DIODE SCHOTTKY 200V 5A DPAK | DIODE SCHOTTKY 40V 100MA UMD2 |
| Package | Tape & Reel (TR) | -Reel® |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | TO-252-3, DPak (2 Leads + Tab), SC-63 | SC-90, SOD-323F |
| Supplier Device Package | DPAK | UMD2 |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 5A | 100mA |
| Voltage - Forward (Vf) (Max) @ If | 920 mV @ 5 A | 450 mV @ 10 mA |
| Current - Reverse Leakage @ Vr | 1 mA @ 200 V | 1 µA @ 10 V |
| Capacitance @ Vr, F | 150pF @ 5V, 1MHz | 6pF @ 10V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 200 V | 40 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | - |
| Operating Temperature - Junction | -55°C ~ 150°C | 125°C (Max) |
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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. 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. What is the reverse recovery time of a rectifier diode?
Reverse recovery time refers to the time required for a diode to transition from a forward conducting state to a reverse blocking state. A shorter reverse recovery time is particularly important in high-frequency applications to reduce power loss.
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4. 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.
