| 3CPX800A7 pulsed air cooled Triode | Oxide | Air | 3.2 | 0.4 | 0.9 | 3CPX800A7 |
| 3CW20,000H7 water cooled Triode | Thoriated | Water | 7 | 5 | 34.2 | 3CW20,000H7 |
| 3CX10,000A1/8158 air cooled Triode | Thoriated | Air | 7 | 4 | 22.4 | 3CX10,000A1/8158 |
| 3CX10,000A3/8159 air cooled Triode | Thoriated | Air | 7 | 4 | 22.4 | 3CX10,000A3/8159 |
| 3CX10,000A7/8160 air cooled Triode | Thoriated | Air | 7.6 | 3.7 | 22.5 | 3CX10,000A7/8160 |
| 3CX10,000U7 air cooled Triode | Oxide | Air | 5 | 3.7 | 10 | 3CX10,000U7 |
| 3CX1000A7/8283 air cooled Triode | Thoriated | Air | 3.5 | 0.9 | 2.1 | 3CX1000A7/8283 |
| 3CX1200A7 air cooled Triode | Thoriated | Air | 3.6 | 0.7 | 1.5 | 3CX1200A7 |
| 3CX1200D7/YU-121 air cooled Triode | Thoriated | Air | 4 | 0.6 | 1.6 | 3CX1200D7/YU-121 |
| 3CX1200Z7/YU-181 air cooled Triode | Thoriated | Air | 4 | 0.6 | 1.6 | 3CX1200Z7/YU-181 |
| 3CX15,000A3 air cooled Triode | Thoriated | Air | 7 | 6 | 30 | 3CX15,000A3 |
| 3CX15,000A7 air cooled Triode | Thoriated | Air | 7 | 4.6 | 25.5 | 3CX15,000A7 |
| 3CX15,000H3 air cooled Triode | Thoriated | Air | 10 | 5 | 41.2 | 3CX15,000H3 |
| 3CX1500A7/8877 air cooled Triode | Oxide | Air | 3.5 | 1 | 2.1 | 3CX1500A7/8877 |
| 3CX1500C7/8938 air cooled Triode | Thoriated | Air | 3 | 1 | 1.6 | 3CX1500C7/89387 |
| 3CX1500D7 air cooled Triode | Thoriated | Air | 4 | 0.6 | 1.6 | 3CX1500D7 |
| 3CX20,000A3 air cooled Triode | Thoriated | Air | 10 | 7.9 | 64 | 3CX20,000A3 |
| 3CX20,000A7 air cooled Triode | Thoriated | Air | 7.8 | 4.2 | 27.5 | 3CX20,000A7 |
| 3CX20,000C7 air cooled Triode | Thoriated | Air | 7.8 | 4.2 | 27.5 | 3CX20,000C7 |
| 3CX2500A3/8161 air cooled Triode | Thoriated | Air | 6 | 2.1 | 10 | 3CX2500A3/8161 |
| 3CX2500F3/8251 air cooled Triode | Thoriated | Air | 6 | 2.1 | 10 | 3CX2500F3/8251 |
| 3CX3000A1/8238 air cooled Triode | Thoriated | Air | 5.5 | 1.1 | 5.1 | 3CX3000A1/8238 |
| 3CX3000A7 air cooled Triode | Thoriated | Air | 4.8 | 1.5 | 5.5 | 3CX3000A7 |
| 3CX3000F1/8239 air cooled Triode | Thoriated | Air | 5.5 | 1.1 | 5.1 | 3CX3000F1/8239 |
| 3CX3000F7 air cooled Triode | Thoriated | Air | 4.8 | 1.5 | 5.5 | 3CX3000F7 |
| 3CX400A7/8874 air cooled Triode | Oxide | Air | 2 | 0.3 | 0.3 | 3CX400A7/8874 |
| 3CX5000A7 air cooled Triode | Oxide | Air | 6 | 1.6 | 5 | 3CX5000A7 |
| 3CX6000A7/YU-148 air cooled triode | Thoriated | Air | 5.7 | 2.5 | 10 | 3CX6000A7/YU-148 |
| 3CX800A7 air cooled Triode | Oxide | Air | 2.2 | 0.5 | 0.8 | 3CX800A7 |
| 8874/3CX400A7 air cooled Triode | Oxide | Air | 2 | 0.3 | 0.3 | 8874/3CX400A7 |
| YC-236 air cooled Triode | Oxide | Air | 4 | 0.9 | 2 | YC-236 |
