ES2B/1 vs CMS16(TE12L,Q,M)
| Part Number |
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| Category | Diodes - Rectifiers - Single | Diodes - Rectifiers - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Toshiba Semiconductor and Storage |
| Description | DIODE GEN PURP 100V 2A DO214AA | DIODE SCHOTTKY 40V 3A MFLAT |
| Package | Tape & Reel (TR) | Tape & Reel (TR) |
| Series | - | - |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AA, SMB | SOD-128 |
| Supplier Device Package | DO-214AA (SMB) | M-FLAT (2.4x3.8) |
| Diode Type | Standard | Schottky |
| Current - Average Rectified (Io) | 2A | 3A |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 2 A | 550 mV @ 3 A |
| Current - Reverse Leakage @ Vr | 10 µA @ 100 V | 200 µA @ 40 V |
| Capacitance @ Vr, F | 18pF @ 4V, 1MHz | - |
| Voltage - DC Reverse (Vr) (Max) | 100 V | 40 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 | -40°C ~ 150°C |
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1. What is the difference between a single rectifier diode and a bridge rectifier?
A single rectifier diode can only rectify the positive half wave of AC power (half wave rectification), while a bridge rectifier composed of four diodes can rectify the positive and negative half waves of AC power (full wave rectification), with higher efficiency and smoother output.
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2. 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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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.
