CMSH3-40M TR13 vs MURHD560T4G
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Central Semiconductor Corp | ON Semiconductor |
| Description | DIODE SCHOTTKY 40V 3A SMB | DIODE GEN PURP 600V 5A DPAK |
| Package | DO-214AA, SMB | Cut Tape (CT) |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AA, SMB | TO-252-3, DPak (2 Leads + Tab), SC-63 |
| Supplier Device Package | SMB | DPAK |
| Diode Type | Schottky | Standard |
| Current - Average Rectified (Io) | 3A | 5A |
| Voltage - Forward (Vf) (Max) @ If | 550mV @ 3A | 2.7 V @ 5 A |
| Current - Reverse Leakage @ Vr | 500µA @ 40V | 10 µA @ 600 V |
| Capacitance @ Vr, F | 280pF @ 4V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 40V | 600 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Operating Temperature - Junction | -65°C ~ 150°C | -65°C ~ 175°C |
| Reverse Recovery Time (trr) | - | 30 ns |
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1. 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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2. 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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3. 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.
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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.
