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| Part Number | 1SMA5944BT3 | 1SMA5944BT3G | 1SMA5945BT3 | 1SMA5934BT3 | 1SMA5940BT3 | 1SMA5941BT3 | 1SMA5942BT3 | 1SMA5943BT3 | 
|---|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | 
| Voltage - Zener (Nom) (Vz) | 62 V | 62 V | 68 V | 24 V | 43 V | 47 V | 51 V | 56 V | 
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | 
| Power - Max | 1.5 W | 1.5 W | 1.5 W | 1.5 W | 1.5 W | 1.5 W | 1.5 W | 1.5 W | 
| Impedance (Max) (Zzt) | 100 Ohms | 100 Ohms | 120 Ohms | 19 Ohms | 53 Ohms | 67 Ohms | 70 Ohms | 86 Ohms | 
| Current - Reverse Leakage @ Vr | 500 nA @ 47.1 V | 500 nA @ 47.1 V | 500 nA @ 51.7 V | 500 nA @ 18.2 V | 500 nA @ 32.7 V | 500 nA @ 35.8 V | 500 nA @ 38.8 V | 500 nA @ 42.6 V | 
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 200 mA | 1.5 V @ 200 mA | 1.5 V @ 200 mA | 1.5 V @ 200 mA | 1.5 V @ 200 mA | 1.5 V @ 200 mA | 1.5 V @ 200 mA | 1.5 V @ 200 mA | 
| Operating Temperature | -65°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C | -65°C ~ 150°C | 
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | 
| Package / Case | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | DO-214AC, SMA | 
| Supplier Device Package | SMA | SMA | SMA | SMA | SMA | SMA | SMA | SMA |