| BC261 |  | ITT Semiconductors | Transistors 1980 | Scan | PDF | 252.29KB | 8 | 
| BC261 |  | Micro Electronics | Semiconductor Device Data Book | Scan | PDF | 64.48KB | 1 | 
| BC261 |  | Micro Electronics | PNP HIGH GAIN LOW NOISE SILICON PLANAR EPITAXIAL TRANSISTOR | Scan | PDF | 97.59KB | 2 | 
| BC261 |  | Micro Electronics | Low Level and General Purpose Amplifiers | Scan | PDF | 439.84KB | 4 | 
| BC261 |  | Micro Electronics | Semiconductor Devices | Scan | PDF | 95.61KB | 1 | 
| BC261 |  | Unknown | Transistor Shortform Datasheet & Cross References | Scan | PDF | 88.39KB | 1 | 
| BC261 |  | Unknown | Basic Transistor and Cross Reference Specification | Scan | PDF | 56.63KB | 1 | 
| BC261 |  | Unknown | Transistor Replacements | Scan | PDF | 88.33KB | 1 | 
| BC261 |  | Unknown | Catalog Scans - Shortform Datasheet | Scan | PDF | 76.9KB | 1 | 
| BC261 |  | Unknown | Shortform Transistor PDF Datasheet | Short Form | PDF | 160.93KB | 1 | 
| BC261 |  | Unknown | Cross Reference Datasheet | Scan | PDF | 34.48KB | 1 | 
| BC261 |  | Unknown | Diode, Transistor, Thyristor Datasheets and more | Scan | PDF | 76.57KB | 1 | 
| BC261 |  | Unknown | Semiconductor Master Cross Reference Guide | Scan | PDF | 119.71KB | 1 | 
| BC261 |  | Unknown | Shortform IC and Component Datasheets (Plus Cross Reference Data) | Short Form | PDF | 122.13KB | 1 | 
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| BC261 |  | Unknown | Shortform Data and Cross References (Misc Datasheets) | Short Form | PDF | 35.15KB | 1 | 
| BC261 |  | Unknown | Discontinued Transistor Data Book 1975 | Scan | PDF | 204.66KB | 2 | 
| BC261 |  | Unknown | Shortform Transistor Datasheet Guide | Short Form | PDF | 99.87KB | 1 | 
| BC261 |  | Semico | Audio Frequency Small Signal Transistors | Scan | PDF | 662.38KB | 7 | 
| BC261A |  | ITT Industries | Misc. Data Book Scans 1975/76 | Scan | PDF | 37.83KB | 1 | 
| BC261A |  | ITT Semiconductors | Semiconductor Summary 1969 | Scan | PDF | 47.65KB | 1 |