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| Part Number | MMSZ5231B-E3-08 | MMSZ5231B-E3-18 | MMSZ5231B-G3-08 | MMSZ5231B-HE3-08 | MMSZ5231B-G3-18 |
| Manufacturer | Vishay General Semiconductor - Diodes Division | Vishay General Semiconductor - Diodes Division | Vishay General Semiconductor - Diodes Division | Vishay General Semiconductor - Diodes Division | Vishay General Semiconductor - Diodes Division |
| Series | - | - | - | - | - |
| Package/Case | SOD-123 | SOD-123 | SOD-123 | SOD-123 | SOD-123 |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Product Status | Active | Active | Active | Obsolete | Active |
| Voltage - Zener (Nom) (Vz) | 5.1 V | 5.1 V | 5.1 V | 5.1 V | 5.1 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW |
| Impedance (Max) (Zzt) | 17 Ohms | 17 Ohms | 17 Ohms | 17 Ohms | 17 Ohms |
| Current - Reverse Leakage @ Vr | 5 µA @ 2 V | 5 µA @ 2 V | 5 µA @ 2 V | 5 µA @ 2 V | 5 µA @ 2 V |
| Voltage - Forward (Vf) (Max) @ If | - | - | - | - | - |
| Operating Temperature | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C |
| Grade | - | - | - | Automotive | - |
| Qualification | - | - | - | AEC-Q101 | - |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Supplier Device Package | SOD-123 | SOD-123 | SOD-123 | SOD-123 | SOD-123 |
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