| 2N494A |  | Central Semiconductor | UNIJUNCTION TRANSISTORS / PROGRAMMABLE UNIJUNCTION TRANSISTORS | Scan | PDF | 345.23KB | 3 | 
| 2N494A |  | Central Semiconductor | Unijunction Transistors in a TO-5 Case | Scan | PDF | 345.2KB | 3 | 
| 2N494A |  | General Electric | Semiconductor Data Book 1971 | Scan | PDF | 252.22KB | 1 | 
| 2N494A |  | General Electric | Semiconductor Data Handbook 1977 | Scan | PDF | 2.62MB | 7 | 
| 2N494A |  | Motorola | Motorola Semiconductor Datasheet Library | Scan | PDF | 47.02KB | 1 | 
| 2N494A |  | Unknown | Basic Transistor and Cross Reference Specification | Scan | PDF | 30.36KB | 1 | 
| 2N494A |  | Unknown | Shortform Transistor PDF Datasheet | Short Form | PDF | 153.35KB | 1 | 
| 2N494A |  | Unknown | GE Transistor Specifications | Scan | PDF | 43.97KB | 1 | 
| 2N494A |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 33.32KB | 1 | 
| 2N494A |  | Semico | Unijunction Transistors | Scan | PDF | 142.13KB | 2 | 
| 2N494A |  | Semitron | Dual / Unijunction Transistors | Scan | PDF | 350.88KB | 3 | 
| 2N494A |  | Texas Instruments | Semiconductor and Components Data Book 1967/8 | Scan | PDF | 45.43KB | 1 |