SDT5H100LP5-13 vs UG4D-M3/54
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Diodes Incorporated | Vishay Semiconductor - Diodes Division |
| Description | DIODE SCHOTTKY 100V 5A POWERDI 5 | DIODE GEN PURP 200V 4A DO201AD |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Mounting Type | Surface Mount | Through Hole |
| Package / Case | PowerDI™ 5 | DO-201AD, Axial |
| Supplier Device Package | PowerDI™ 5 | DO-201AD |
| Diode Type | Schottky | Standard |
| Current - Average Rectified (Io) | 5A | 4A |
| Voltage - Forward (Vf) (Max) @ If | 660 mV @ 5 A | 950 mV @ 4 A |
| Current - Reverse Leakage @ Vr | 3.5 µA @ 100 V | 5 µA @ 200 V |
| Capacitance @ Vr, F | - | 20pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 100 V | 200 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | 30 ns |
| Operating Temperature - Junction | -55°C ~ 150°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. 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.

