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| Part Number | 1SMB5943BT3 | 1SMB5943BT3G | 1SMB5944BT3 | 1SMB5945BT3 | 1SMB5946BT3 | 1SMB5947BT3 | 1SMB5948BT3 | 1SMB5949BT3 | 1SMB5953BT3 | 1SMB5933BT3 | 1SMB5940BT3 | 1SMB5941BT3 | 1SMB5942BT3 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Obsolete | Active | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Voltage - Zener (Nom) (Vz) | 56 V | 56 V | 62 V | 68 V | 75 V | 82 V | 91 V | 100 V | 150 V | 22 V | 43 V | 47 V | 51 V |
| Tolerance | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% | ±5% |
| Power - Max | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W | 3 W |
| Impedance (Max) (Zzt) | 86 Ohms | 86 Ohms | 100 Ohms | 120 Ohms | 140 Ohms | 160 Ohms | 200 Ohms | 250 Ohms | 600 Ohms | 17.5 Ohms | 53 Ohms | 67 Ohms | 70 Ohms |
| Current - Reverse Leakage @ Vr | 1 µA @ 42.6 V | 1 µA @ 42.6 V | 1 µA @ 47.1 V | 1 µA @ 51.7 V | 1 µA @ 56 V | 1 µA @ 62.2 V | 1 µA @ 69.2 V | 1 µA @ 76 V | 1 µA @ 114 V | 1 µA @ 16.7 V | 1 µA @ 32.7 V | 1 µA @ 35.8 V | 1 µA @ 38.8 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 | 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 | -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 | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB | DO-214AA, SMB |
| Supplier Device Package | SMB | SMB | SMB | SMB | SMB | SMB | SMB | SMB | SMB | SMB | SMB | SMB | SMB |
