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| Part Number | Z1SMA20 | Z1SMA20-AQ | Z1SMA20 | Z1SMA20-AQ | Z1SMA20 |
| Manufacturer | Diotec Semiconductor | Diotec Semiconductor | Diotec Semiconductor | Diotec Semiconductor | Diotec Semiconductor |
| Series | - | - | - | - | - |
| Package/Case | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA |
| Packaging | Strip | Tape & Reel (TR) | Bulk | Bulk | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Active | Active |
| Voltage - Zener (Nom) (Vz) | 20 V | 20 V | 20 V | 20 V | 20 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 1 W | 1 W | 1 W | 1 W | 1 W |
| Impedance (Max) (Zzt) | 20 Ohms | 20 Ohms | 20 Ohms | 20 Ohms | 20 Ohms |
| Current - Reverse Leakage @ Vr | 1 µA @ 15 V | 1 µA @ 15 V | 1 µA @ 15 V | 1 µA @ 15 V | 1 µA @ 15 V |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 200 mA | 1 V @ 200 mA | 1 V @ 200 mA | 1 V @ 200 mA | 1 V @ 200 mA |
| Operating Temperature | -50°C ~ 150°C (TJ) | -50°C ~ 150°C (TJ) | -50°C ~ 150°C (TJ) | -50°C ~ 150°C (TJ) | -50°C ~ 150°C (TJ) |
| Grade | - | Automotive | - | Automotive | - |
| Qualification | - | AEC-Q101 | - | AEC-Q101 | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) | DO-214AC (SMA) |
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