SMAZ5919B-M3/5A vs ZMY12-GS18
| Part Number |
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| Category | Diodes - Zener - Single | Diodes - Zener - Single |
| Manufacturer | Vishay Semiconductor - Diodes Division | Vishay Semiconductor - Diodes Division |
| Description | DIODE ZENER 5.6V 500MW DO214AC | DIODE ZENER 12V 1W DO213AB |
| Package | Bulk | Cut Tape (CT) |
| Series | - | Automotive, AEC-Q101 |
| Operating Temperature | -65°C ~ 150°C | 175°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | DO-214AC, SMA | DO-213AB, MELF (Glass) |
| Supplier Device Package | DO-214AC (SMA) | DO-213AB |
| Tolerance | ±5% | ±5% |
| Power - Max | 500 mW | 1 W |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA | - |
| Current - Reverse Leakage @ Vr | 200 µA @ 3 V | 500 nA @ 9 V |
| Voltage - Zener (Nom) (Vz) | 5.6 V | 12 V |
| Impedance (Max) (Zzt) | 5 Ohms | 7 Ohms |
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1. Can 2 Zener diodes be connected in series?
Yes, two or more Zener diodes can be used in series to obtain higher stable voltage values. But pay attention to the power rating and heat dissipation of each diode.
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2. Is every diode a Zener diode?
No. Although all Zener diodes are a type of diode, not all diodes can be called Zener diodes.
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3. Where are Zener diodes used in real life?
Applied to power adapters, overvoltage protection in electronic devices, LED drive circuits, etc.
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4. Can Zener diodes be used as rectifiers?
This is generally not recommended because they are not designed to efficiently convert AC to DC. Rectification is usually done by specialized rectifier diodes.

