STPS140ZY vs ES2GHE3_A/I
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | STMicroelectronics | Vishay Semiconductor - Diodes Division |
| Description | DIODE SCHOTTKY 40V 1A SOD123 | DIODE GEN PURP 400V 2A DO214AA |
| Package | Cut Tape (CT) | Tape & Reel (TR) |
| Series | Automotive, AEC-Q101 | Automotive, AEC-Q101 |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | SOD-123 | DO-214AA, SMB |
| Supplier Device Package | SOD-123 | DO-214AA (SMB) |
| Diode Type | Schottky | Standard |
| Current - Average Rectified (Io) | 1A (DC) | 2A |
| Voltage - Forward (Vf) (Max) @ If | 550 mV @ 1 A | 1.1 V @ 2 A |
| Current - Reverse Leakage @ Vr | 40 µA @ 400 V | 10 µA @ 50 V |
| Capacitance @ Vr, F | - | 15pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 40 V | 400 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | 35 ns |
| Operating Temperature - Junction | -40°C ~ 150°C | -55°C ~ 150°C |
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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. What is the maximum reverse voltage (PIV) of a rectifier diode?
The Peak Inverse Voltage (PIV) is the maximum reverse voltage that a diode can withstand. When selecting a diode, the PIV must be higher than the maximum reverse voltage in the circuit, usually twice or more the input voltage.
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3. What is the difference between Schottky diodes and traditional silicon rectifier diodes?
Schottky diodes have a lower forward voltage drop (typically 0.2V to 0.3V) and faster switching speed, making them suitable for high-frequency applications. However, their reverse voltage is relatively low and is typically used in circuits with lower voltages.
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4. 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.
