| Abbreviation | Definition |
|---|---|
| IFT | InterFerential Therapy |
| IG | Induction Generator |
| IG | Insulated Gate |
| IG | Insulated Grounding |
| IGBT | Insulated Gate Bipolar Transistor |
| IGES | Integrated Graphics Exchange System |
| IGFET | Insulated-Gate Field-Effect Transistor |
| IHT | Ideal Handler Time |
| II | Ion Implant (also seen as I2) |
| IIC | Intermediate Image Carrier |
| Iih | Input High Current |
| IIR | Infinite Impulse Response |
| IJCE | International Journal of Circuits and Electronics |
| IJCSIT | International Journal of Computer Science and Information Technology |
| IL | Inner Lead |
| IL | Insertion Loss |
| ILB | Inner Lead Bond |
| ILD | Inter-Layer Di-electric |
| ILEC | Iowa Lakes Electric Cooperative |
| ILEF | Induced lateral electric field |