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| PartNumber | 1SMB5940 R4 | 1SMB5940 M4G | 1SMB5940 |
| Description | Zener Diodes 3W,43V,5%,ZENER,SMB | Zener Diodes DO-214AA (SMB) 3000mW 5% Znr Diode | Zener Diodes 43 Volt 3 Watt 5% |
| Manufacturer | Taiwan Semiconductor | Taiwan Semiconductor | Diodes Incorporated |
| Product Category | Zener Diodes | Zener Diodes | Diodes - Zener - Single |
| RoHS | Y | - | - |
| Vz Zener Voltage | 43 V | 43 V | - |
| Pd Power Dissipation | 3 W | 3 W | - |
| Voltage Tolerance | 5 % | 5 % | - |
| Zener Current | 1 uA | 35 mA | - |
| Zz Zener Impedance | 53 Ohms | 53 Ohms | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 150 C | + 150 C | - |
| Configuration | Single | Single | - |
| Test Current | 8.7 mA | 8.7 mA | - |
| Packaging | Reel | - | Digi-ReelR Alternate Packaging |
| Series | 1SMBxxxx | 1SMB5940 | 1SMB59 |
| Brand | Taiwan Semiconductor | Taiwan Semiconductor | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 3000 | - | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | SMB-2 | - |
| Height | - | 2.65 mm | - |
| Length | - | 4.6 mm | - |
| Width | - | 3.95 mm | - |
| Ir Reverse Current | - | 1 uA | - |
| Package Case | - | - | DO-214AA, SMB |
| Operating Temperature | - | - | -65°C ~ 150°C |
| Mounting Type | - | - | Surface Mount |
| Supplier Device Package | - | - | SMB |
| Tolerance | - | - | ±5% |
| Power Max | - | - | 3W |
| Voltage Zener Nom Vz | - | - | 43V |
| Impedance Max Zzt | - | - | 53 Ohm |
| Current Reverse Leakage Vr | - | - | 1μA @ 32.7V |
| Voltage Forward Vf Max If | - | - | 1.5V @ 200mA |