| 8540.50.00 | 00 | Data/graphic display tubes, black and white or other monochrome | No. | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 8540.71 | | Microwave tubes (for example, magnetrons, klystrons, traveling wave tubes, carcinotrons), excluding grid-controlled tubes: | | | | |
| 8540.71.20 | 00 | Modified for use as parts of microwave ovens | No. | Free | | 35% |
| 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 | 20 | Gas and vapor electron tubes | No. | | | |
| 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% |
| 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 | 70 | With a maximum current of 0.5 A or less | No. | | | |
| 8541.21.00 | | Transistors, other than photosensitive transistors: | | | | |
| 8541.30.00 | | Thyristors, diacs and triacs, other than photosensitive devices | | Free | | 35% |
| 8541.40 | | Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes: | | | | |
| 8541.40.60 | 20 | Assembled into modules or made up into panels | No. | | | |
| 8541.40.70 | | Transistors | | Free | | 35% |
| 8541.40.80 | 00 | Optical coupled isolators | No. | Free | | 35% |
| 8541.50.00 | | Other semiconductor devices | | Free | | 35% |
| 8541.60.00 | 10 | Quartz designed for operating frequencies of: | | | | |
| 8542.31.00 | 00 | Processors and controllers, whether or not combined with memories, converters, logic circuits, amplifiers, clock and timing circuits, or other circuits | No. | Free | | 35% |
| 8542.32.00 | | Memories: | | Free | | 35% |
| 8542.32.00 | 50 | Electrically erasable programmable read-only memory (EEPROM) | No. | | | |
| 8542.32.00 | 60 | Erasable (except electrically) programmable read-only memory (EPROM) | No. | | | |
| 8543 | | Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof: | | | | |
| 8543.10.00 | 00 | Particle accelerators | No. | 1.9% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8543.20.00 | 00 | Signal generators | No. | 2.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
| 8543.30.00 | 00 | Machines and apparatus for electroplating, electrolysis or electrophoresis | X | 2.6% | Free (A,AU,BH,CA, CL,E,IL,J,JO, MA,MX,P,SG) | 35% |
