| PartNumber | 1N4909 | 1N4909A | 1N4909/TR |
| Description | Zener Diodes OTC Temperature Compensated Zeners | Zener Diodes OTC Temperature Compensated Zeners | Zener Diodes OTC Temperature Compensated Zeners |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | Zener Diodes | Zener Diodes | Zener Diodes |
| RoHS | N | N | N |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | DO-7 | DO-7 | DO-7-2 |
| Packaging | Foil Bag | 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 | - | - | 12.8 V |
| Pd Power Dissipation | - | - | 0.4 W |
| Voltage Tolerance | - | - | 5 % |
| Voltage Temperature Coefficient | - | - | 0.005 %/C |
| Zener Current | - | - | 15 uA |
| Zz Zener Impedance | - | - | 50 Ohms |
| Minimum Operating Temperature | - | - | - 65 C |
| Maximum Operating Temperature | - | - | + 175 C |
| Configuration | - | - | Single |
| Test Current | - | - | 4 mA |
| Diameter | - | - | 2.718 mm |
| Length | - | - | 7.62 mm |
| Ir Reverse Current | - | - | 15 uA |