| 8540 | | Thermionic, cold cathode or photocathode tubes (for example, vacuum or vapor or gas filled tubes, mercury arc rectifying tubes, cathode-ray tubes, television camera tubes); parts thereof: | | | | |
| 8540.11 | | Cathode-ray television picture tubes, including video monitor cathode-ray tubes: | | | | |
| 8540.12.10 | | Television picture tubes having a straight line dimension across the faceplate greater than 29 cm but having no straight line dimension across the faceplate that exceeds 42 cm: | | | | |
| 8540.20 | | Television camera tubes; image converters and intensifiers; other photocathode tubes: | | | | |
| 8540.20.20 | | Cathode-ray tubes | | 6% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P,SG) | 35% |
| 8540.40.00 | | Data/graphic display tubes, color, with a phosphor dot screen pitch smaller than 0.4 mm | | 3% | Free (A+,AU,B,BH, CA,CL,D,E,IL,J, JO,MA,MX,P, SG) | 35% |
| 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% |
| 8540.60.00 | | Other cathode-ray tubes | | 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: | | | | |
| 8540.81.00 | 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 | 20 | Gas and vapor electron tubes | No. | | | |
| 8540.89.00 | 40 | Diodes, triodes and tetrodes | No. | | | |
| 8540.89.00 | 60 | Light-sensing tubes | 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% |
| 8540.99.40 | 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 | | With a dissipation rate of less than 1 W | | Free | | 35% |
| 8541.21.00 | 75 | With an operating frequency not less than 100 MHz | No. | | | |
| 8541.29.00 | 75 | With an operating frequency not less than 30 MHz | No. | | | |
| 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: | | | | |
