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| PartNumber | 1N4121 | 1N4121-1 | 1N4121-1JANTX |
| Description | Zener Diodes .25W 5% Lw Noise/Lvl | Zener Diodes Zener Diodes | |
| Manufacturer | Central Semiconductor | Microchip | - |
| Product Category | Zener Diodes | Zener Diodes | - |
| RoHS | Y | N | - |
| Vz Zener Voltage | 33 V | - | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | DO-35-2 | - | - |
| Pd Power Dissipation | 250 mW | - | - |
| Voltage Tolerance | 5 % | - | - |
| Zener Current | 7.2 mA | - | - |
| Zz Zener Impedance | 200 Ohms | - | - |
| Minimum Operating Temperature | - 65 C | - | - |
| Maximum Operating Temperature | + 200 C | - | - |
| Configuration | Single | - | - |
| Test Current | 0.25 mA | - | - |
| Packaging | Bulk | Foil Bag | - |
| Height | 2.29 mm | - | - |
| Length | 5.08 mm | - | - |
| Termination Style | Axial | - | - |
| Width | 2.29 mm | - | - |
| Brand | Central Semiconductor | Microchip / Microsemi | - |
| Ir Reverse Current | 10 nA | - | - |
| Product Type | Zener Diodes | Zener Diodes | - |
| Factory Pack Quantity | 2500 | 1 | - |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | - |
| Part # Aliases | 1N4121 BK | - | - |
| Unit Weight | 0.004833 oz | - | - |