| PartNumber | 1N5999B | 1N5999B TR | 1N5999B BK |
| Description | Zener Diodes Zener Diodes | Zener Diodes 9.1Vz 10 Ohm 0.1 uA 7 Vr 55mA 500mW | Zener Diodes 9.1Vz 10 Ohm 0.1 uA 7 Vr 55mA 500mW |
| Manufacturer | Microchip | Central Semiconductor | Central Semiconductor |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | Y | Y |
| Vz Zener Voltage | 9.1 V | 9.1 V | 9.1 V |
| Mounting Style | Axial | Through Hole | Through Hole |
| Package / Case | DO-35-2 | DO-35 | DO-35 |
| Pd Power Dissipation | 0.5 W | 500 mW | 500 mW |
| Voltage Tolerance | 5 % | 5 % | 5 % |
| Voltage Temperature Coefficient | 0.061 %/C | - | - |
| Zener Current | 55 mA | 0.1 uA | 0.1 uA |
| Zz Zener Impedance | 10 Ohms | 10 Ohms | 10 Ohms |
| Minimum Operating Temperature | - 65 C | - 65 C | - 65 C |
| Maximum Operating Temperature | + 175 C | + 200 C | + 200 C |
| Configuration | Single | Single | Single |
| Test Current | 5 mA | 5 mA | 5 mA |
| Packaging | Foil Bag | Reel | Bulk |
| Diameter | 1.7 mm | 2.29 mm | 2.29 mm |
| Length | 3.7 mm | 5.08 mm | 5.08 mm |
| Brand | Microchip / Microsemi | Central Semiconductor | Central Semiconductor |
| Ir Reverse Current | 0.1 uA | 0.1 uA | 0.1 uA |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 10000 | 2500 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vf Forward Voltage | 1.1 V | 1.5 V | 1.5 V |
| Unit Weight | 0.004833 oz | - | - |
| Part # Aliases | - | 1N5999B PBFREE TR | 1N5999B BK PBFREE |