| 8540.60.00 | 40 | Exceeding 30 cm but not exceeding 33 cm | No. | | | |
| 8540.60.00 | 60 | Exceeding 33 cm but not exceeding 36 cm | No. | | | |
| 8540.60.00 | 80 | Exceeding 36 cm | No. | | | |
| 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% |
| 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 | 40 | Unmounted chips, dice and wafers | No. | | | |
| 8541.21.00 | 40 | Unmounted chips, dice and wafers | No. | | | |
| 8541.29.00 | 40 | Unmounted chips, dice and wafers | No. | | | |
| 8541.30.00 | 40 | Unmounted chips, dice and wafers | No. | | | |
| 8541.40 | | Photosensitive semiconductor devices, including photovoltaic cells whether or not assembled in modules or made up into panels; light-emitting diodes: | | | | |
| 8541.40.20 | 00 | Light-emitting diodes (LED's) | No. | Free | | 20% |
| 8541.40.60 | 10 | Unmounted chips, dice and wafers | No. | | | |
| 8541.40.60 | 20 | Assembled into modules or made up into panels | No. | | | |
| 8541.40.70 | 40 | Unmounted chips, dice and wafers | No. | | | |
| 8541.40.80 | 00 | Optical coupled isolators | No. | Free | | 35% |
| 8541.50.00 | 40 | Unmounted chips, dice and wafers | No. | | | |
| 8541.60.00 | | Mounted piezoelectric crystals | | Free | | 35% |
| 8541.60.00 | 10 | Quartz designed for operating frequencies of: | | | | |
| 8541.60.00 | 20 | Not exceeding 1 MHz, except 32.768 kHz | No. | | | |
| 8541.60.00 | 30 | Exceeding 1 MHz, but not exceeding 5 MHZ | No. | | | |
| 8541.60.00 | 50 | Exceeding 5 MHZ, but not exceeding 20 MHz | No. | | | |
| 8541.60.00 | 60 | Exceeding 20 MHZ | No. | | | |
| 8542 | | Electronic integrated circuits; parts thereof: | | | | |
| 8542.31.00 | 00 | Electronic integrated circuits: | | | | |
