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| Part Number | MMBZ5257BLT1 | MMBZ5257BLT1G | MMBZ5259BLT1 | MMBZ5258BLT1 | MMBZ5257ELT1 | MMBZ5257BLT3 | MMBZ5254BLT1 | MMBZ5255BLT1 | MMBZ5256BLT1 |
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Voltage - Zener (Nom) (Vz) | 33 V | 33 V | 39 V | 36 V | 33 V | 33 V | 27 V | 28 V | 30 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 225 mW | 225 mW | 225 mW | 225 mW | 225 mW | 225 mW | 225 mW | 225 mW | 225 mW |
| Impedance (Max) (Zzt) | 58 Ohms | 58 Ohms | 80 Ohms | 70 Ohms | 58 Ohms | 58 Ohms | 41 Ohms | 44 Ohms | 49 Ohms |
| Current - Reverse Leakage @ Vr | 100 nA @ 25 V | 100 nA @ 25 V | 100 nA @ 30 V | 100 nA @ 27 V | 100 nA @ 25 V | 100 nA @ 25 V | 100 nA @ 21 V | 100 nA @ 21 V | 100 nA @ 23 V |
| Voltage - Forward (Vf) (Max) @ If | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA | 900 mV @ 10 mA |
| Operating Temperature | -65°C ~ 150°C | -65°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C | -55°C ~ 150°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 | TO-236-3, SC-59, SOT-23-3 |
| Supplier Device Package | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) | SOT-23-3 (TO-236) |
