SDM2A20CSP-7 vs ES1A-E3/5AT
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Diodes Incorporated | Vishay Semiconductor - Diodes Division |
| Description | DIODE SCHTKY 20V 2A X3-WLB1406-2 | DIODE GEN PURP 50V 1A DO214AC |
| Package | -Reel® | Tape & Reel (TR) |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 2-XDFN | DO-214AC, SMA |
| Supplier Device Package | X3-WLB1406-2 | DO-214AC (SMA) |
| Diode Type | Schottky | Standard |
| Current - Average Rectified (Io) | 2A | 1A |
| Voltage - Forward (Vf) (Max) @ If | 530 mV @ 2 A | 920 mV @ 1 A |
| Current - Reverse Leakage @ Vr | 80 µA @ 20 V | 5 µA @ 50 V |
| Capacitance @ Vr, F | 70pF @ 5V, 1MHz | 10pF @ 4V, 1MHz |
| Voltage - DC Reverse (Vr) (Max) | 20 V | 50 V |
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) |
| Reverse Recovery Time (trr) | - | 25 ns |
| Operating Temperature - Junction | -55°C ~ 150°C | -55°C ~ 155°C |
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1. 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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2. What is a fast recovery diode?
Fast recovery diode is a special type of rectifier diode with a short reverse recovery time, suitable for high-frequency power supplies and switch mode power supplies (SMPS) applications, reducing switching losses.
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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 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.
