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| PartNumber | 1SMB5945 M4G | 1SMB5945 R4 | 1SMB5945 |
| Description | Zener Diodes DO-214AA (SMB) 3000mW 5% Znr Diode | Zener Diodes 68 Volt 3 Watt 5% | Zener Diodes 68 Volt 3 Watt 5% |
| Manufacturer | Taiwan Semiconductor | Taiwan Semiconductor | Taiwan Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Diodes - Zener - Single |
| Vz Zener Voltage | 68 V | 68 V | - |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SMB-2 | DO-214AA-2 | - |
| Pd Power Dissipation | 3 W | 3 W | - |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Zener Current | 22 mA | 1 uA | 22 mA |
| Zz Zener Impedance | 120 Ohms | 120 Ohms | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - 65 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Configuration | Single | Single | Single |
| Test Current | 5.5 mA | 5.5 mA | - |
| Series | 1SMB5945 | 1SMBxxxx | - |
| Height | 2.65 mm | 2.65 mm | 2.41 mm |
| Length | 4.6 mm | 4.6 mm | 4.75 mm |
| Width | 3.95 mm | 3.95 mm | 3.73 mm |
| Brand | Taiwan Semiconductor | Taiwan Semiconductor | - |
| Ir Reverse Current | 1 uA | 1 uA | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| RoHS | - | Y | - |
| Packaging | - | Reel | Reel |
| Factory Pack Quantity | - | 3000 | - |
| Unit Weight | - | 0.003527 oz | 0.006349 oz |
| Part Aliases | - | - | R4 |
| Package Case | - | - | SMB |
| Pd Power Dissipation | - | - | 550 mW |
| Vz Zener Voltage | - | - | 68 V |
| Zz Zener Impedance | - | - | 120 Ohms |
| Ir Reverse Current | - | - | 1 uA |