| PartNumber | 1N4123UR-1 | 1N4123UR | 1N4123UR-1/TR |
| Description | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes | Zener Diodes Zener Diodes |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | N |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | DO-213AA-2 | DO-213AA-2 | DO-213AA-2 |
| Packaging | Bulk | Foil Bag | Reel |
| Brand | Microchip / Microsemi | Microchip / Microsemi | Microchip / Microsemi |
| Product Type | Zener Diodes | Zener Diodes | Zener Diodes |
| Factory Pack Quantity | 1 | 1 | 100 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Vz Zener Voltage | - | - | 39 V |
| Pd Power Dissipation | - | - | 0.5 W |
| Voltage Tolerance | - | - | 5 % |
| Voltage Temperature Coefficient | - | - | 0.095 %/C |
| Zener Current | - | - | 9.8 mA |
| Zz Zener Impedance | - | - | 200 Ohms |
| Minimum Operating Temperature | - | - | - 65 C |
| Maximum Operating Temperature | - | - | + 175 C |
| Configuration | - | - | Single |
| Test Current | - | - | 250 uA |
| Diameter | - | - | 1.7 mm |
| Length | - | - | 3.71 mm |
| If Forward Current | - | - | 200 mA |
| Ir Reverse Current | - | - | 0.01 uA |
| Vf Forward Voltage | - | - | 1.1 V |