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| Part Number | FLZ3V9B | FLZ3V0B | FLZ3V3B | FLZ3V6B | FLZ3V9A | 
|---|---|---|---|---|---|
| Manufacturer | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | 
| Voltage - Zener (Nom) (Vz) | 4 V | 3.1 V | 3.4 V | 3.7 V | 3.9 V | 
| Tolerance | ±3% | ±3% | ±3% | ±3% | ±3% | 
| Power - Max | 500 mW | 500 mW | 500 mW | 500 mW | 500 mW | 
| Impedance (Max) (Zzt) | 40 Ohms | 35 Ohms | 35 Ohms | 48 Ohms | 40 Ohms | 
| Current - Reverse Leakage @ Vr | 1.4 µA @ 1 V | 35 µA @ 1 V | 14 µA @ 1 V | 2.8 µA @ 1 V | 1.4 µA @ 1 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.2 V @ 200 mA | 1.2 V @ 200 mA | 1.2 V @ 200 mA | 1.2 V @ 200 mA | 1.2 V @ 200 mA | 
| Operating Temperature | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | -65°C ~ 175°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | DO-213AC, MINI-MELF, SOD-80 | DO-213AC, MINI-MELF, SOD-80 | DO-213AC, MINI-MELF, SOD-80 | DO-213AC, MINI-MELF, SOD-80 | DO-213AC, MINI-MELF, SOD-80 | 
| Supplier Device Package | SOD-80 | SOD-80 | SOD-80 | SOD-80 | SOD-80 |