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| PartNumber | 2SA1977-A | 2SA1977-T1B | 2SA1977-T1B-A |
| Description | RF Bipolar Transistors PNP Silicon 8.5GHz NF 1.5dB | RF Bipolar Transistors NPN Silicon 8.5GHz NF 1.5dB | |
| Manufacturer | CEL | - | - |
| Product Category | RF Bipolar Transistors | - | - |
| RoHS | Y | - | - |
| Technology | Si | - | - |
| Brand | CEL | - | - |
| Product Type | RF Bipolar Transistors | - | - |
| Factory Pack Quantity | 1 | - | - |
| Subcategory | Transistors | - | - |
| Part # Aliases | NE97733-A | - | - |