SMAZ5919B-M3/5A vs ZMY11-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 11V 1W DO213AB |
| Package | Bulk | Tape & Reel (TR) |
| 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 @ 8.5 V |
| Voltage - Zener (Nom) (Vz) | 5.6 V | 11 V |
| Impedance (Max) (Zzt) | 5 Ohms | 7 Ohms |
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1. Are Zener diodes unidirectional?
In normal operation mode, Zener diodes do exhibit unidirectional conductivity, but they start conducting when reverse biased to their Zener voltage.
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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. What happens when a Zener diode fails?
If it is overheated or subjected to excessive current, it may cause permanent damage, which will appear as an open or short circuit state.
