| IT121 |  | Linear Integrated Systems | MONOLITHIC DUAL NPN TRANSISTOR | Original | PDF | 24.9KB | 2 | 
| IT121 |  | Calogic | Dual NPN General Purpose Amplifier | Scan | PDF | 62.05KB | 2 | 
| IT121 |  | Intersil | Shortform Data Book 1983/4 | Short Form | PDF | 51.04KB | 1 | 
| IT121 |  | Intersil | Data Book 1981 | Scan | PDF | 50.26KB | 1 | 
| IT121 |  | Intersil | Dual NPN general purpose amplifier. | Scan | PDF | 67.85KB | 2 | 
| IT121 |  | Unknown | Semiconductor Master Cross Reference Guide | Scan | PDF | 111.01KB | 1 | 
| IT121 |  | Unknown | Shortform Transistor PDF Datasheet | Short Form | PDF | 158.91KB | 1 | 
| IT121 |  | Unknown | Shortform Transistor PDF Datasheet | Short Form | PDF | 167.21KB | 1 | 
| IT121/71 |  | Calogic | Dual NPN General Purpose Amplifier | Scan | PDF | 62.05KB | 2 | 
| IT121F |  | EIC Semiconductor | Thyristors - Triac in a TO-220 case | Scan | PDF | 56.9KB | 1 | 
| IT121G |  | EIC Semiconductor | Thyristors - Triac in a TO-220 case | Scan | PDF | 56.9KB | 1 | 
| IT121 PDIP 8L ROHS |  | Linear Integrated Systems | TIGHTLY MATCHED, MONOLITHIC DUAL | Original | PDF | 210.76KB | 2 | 
| IT121 SOIC 8L ROHS |  | Linear Integrated Systems | TIGHTLY MATCHED, MONOLITHIC DUAL | Original | PDF | 210.76KB | 2 | 
| IT121-TO71 |  | Intersil | Dual NPN general purpose amplifier. | Scan | PDF | 67.85KB | 2 |