STPS140ZY vs SS3003CH-TL-W
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | STMicroelectronics | ON Semiconductor |
| Description | DIODE SCHOTTKY 40V 1A SOD123 | DIODE SCHOTTKY 30V 3A 6CPH |
| Package | Cut Tape (CT) | Cut Tape (CT) |
| Series | Automotive, AEC-Q101 | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SOD-123 | SOT-23-6 |
| Supplier Device Package | SOD-123 | 6-CPH |
| Diode Type | Schottky | Schottky |
| Current - Average Rectified (Io) | 1A (DC) | 3A |
| Voltage - Forward (Vf) (Max) @ If | 550 mV @ 1 A | 420 mV @ 3 A |
| Current - Reverse Leakage @ Vr | 40 µA @ 400 V | 1.4 mA @ 15 V |
| Capacitance @ Vr, F | - | 880pF @ 0V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 40 V | 30 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | 20 ns |
| Operating Temperature - Junction | -40°C ~ 150°C | -55°C ~ 125°C |
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1. What are the common applications of a single rectifier diode?
They are commonly used in power circuits, chargers, AC to DC converters, motor drives, circuit protection, and other electronic devices to convert AC power to DC power or protect circuits from reverse current.
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2. What is forward voltage drop?
Forward voltage drop refers to the voltage drop generated when the current passes through a diode when it is conducting. The forward voltage drop of silicon rectifier diodes is usually around 0.7V, while the forward voltage drop of Schottky diodes is usually lower, between 0.2V and 0.3V.
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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 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.
