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| PartNumber | 1N8149 | 1N8149US | 1N8149E3 |
| Description | TVS Diodes / ESD Suppressors Uni-Directional TVS | TVS Diodes / ESD Suppressors Hi Rel TVS | Diode TVS Single Uni-Direction 6.8V 150W 2-Pin Case A Bag - Bag (Alt: 1N8149E3) |
| Manufacturer | Microchip | Microchip | - |
| Product Category | TVS Diodes / ESD Suppressors | TVS Diodes / ESD Suppressors | - |
| Product Type | TVS Diodes | TVS Diodes | - |
| Vesd Voltage ESD Contact | - | - | - |
| Vesd Voltage ESD Air Gap | - | - | - |
| Polarity | Unidirectional | Unidirectional | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Termination Style | Axial | SMD/SMT | - |
| Breakdown Voltage | 7.79 V | 7.79 V | - |
| Working Voltage | 6.8 V | 6.8 V | - |
| Clamping Voltage | 12.8 V | 12.8 V | - |
| Ipp Peak Pulse Current | 11.7 A | 11.7 A | - |
| Cd Diode Capacitance | 4 pF | 4 pF | - |
| Package / Case | A-Package-2 | SQ-MELF-2 | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Packaging | Bulk | Bulk | - |
| Brand | Microchip / Microsemi | Microchip / Microsemi | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | TVS Diodes / ESD Suppression Diodes | TVS Diodes / ESD Suppression Diodes | - |
| RoHS | - | N | - |
| Pppm Peak Pulse Power Dissipation | - | 150 W | - |