| 8540.72.00 | 00 | Klystrons | No. | 3.3% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.79.00 | 00 | Other | No. | 3.7% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.81.00 | 00 | Other tubes: | | | | |
| 8540.81.00 | 00 | Receiver or amplifier tubes | No. | 4.2% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.89.00 | | Other | | 3.7% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.89.00 | 20 | Gas and vapor electron tubes | No. | | | |
| 8540.89.00 | 40 | Diodes, triodes and tetrodes | No. | | | |
| 8540.89.00 | 80 | Other | No. | | | |
| 8540.91 | | Of cathode-ray tubes: | | | | |
| 8540.91.15 | 00 | Front panel assemblies | X | 5.4% | Free (A+,AU,B,CA, CL,D,E,IL,J,JO, MX,P,SG) 3.7% (BH) 3.5% (MA) | 35% |
| 8540.91.20 | 00 | Deflection coils | X | Free | | 35% |
| 8540.91.50 | 00 | Other | X | 5.4% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P,SG) | 35% |
| 8540.99 | | Other: | | | | |
| 8540.99.40 | 00 | Electron guns; radio frequency (RF) interaction structures for microwave tubes of subheadings 8540.71 through 8540.79, inclusive | X | Free | | 35% |
| 8540.99.80 | 00 | Other | X | Free | | 35% |
| 8541 | | Diodes, transistors and similar semiconductor devices; photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes; mounted piezoelectric crystals; parts thereof: | | | | |
| 8541.10.00 | | Diodes, other than photosensitive or light-emitting diodes | | Free | | 35% |
| 8541.10.00 | 40 | Unmounted chips, dice and wafers | No. | | | |
| 8541.10.00 | 50 | Other: | | | | |
| 8541.10.00 | 60 | Microwave | No. | | | |
| 8541.10.00 | 70 | Other: | | | | |
| 8541.10.00 | 70 | With a maximum current of 0.5 A or less | No. | | | |
| 8541.10.00 | 80 | Other | No. | | | |
| 8541.21.00 | | Transistors, other than photosensitive transistors: | | | | |
| 8541.21.00 | | With a dissipation rate of less than 1 W | | Free | | 35% |
