Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
Q/U37A | | | | 
| CV4061 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QA2400 | | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QA2401 | | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QA2402 | | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QA2405 | Double Tetrode | 1953 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QB4/1100 | Power Tetrode | 1960 | | 
| 7527 YL1460 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QD77 | Double Diode | | B7G | 
| EB91 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QEL1/150 | Pentode | 1963 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QEL2/250 | Pentode | 1960 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QEP20/18 | Pentode | 1957 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QP22a | Double Output Pentode | 1935 | | 
| 240QP K77A |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QP240 | Double Pentode | 1934 | B9 | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQC04/15 | Double Beam Tetrode | 1954 | B8B | 
| 5895 AX9905 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQE02/5 | Double Beam Tetrode | 1957 | | 
| 6939 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQE03-20 | Double Beam Tetrode | 1957 | B7A | 
| 11E15 AX9910 RS1019 SRS4452 TT20 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQE06-40 | Double Beam Tetrode | 1957 | B7A | 
| 11E16 5894 829 AX9903 RS1009 SRS4451 TD25 TT25 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQV03-25 | Double Beam Tetrode | 1964 | B7A | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQV04-15 | Double Beam Tetrode | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQV04-16 | Double Beam Tetrode | 1961 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQV06-40 | Double Beam Tetrode | | B7A | 
| CV424 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQV06-40A | Double Beam Tetrode | | B7A | 
| 55B/400A 5894/C178A 5894A 5894 CV2797 TT25 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQZ04-15 | Double Beam Tetrode | 1964 | | 
| CV1838 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QQZ06-40 | Double Beam Tetrode | 1964 | B7A | 
| YL1030 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QR132 | Quartz Crystal | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QRS-Red-Top | Triode | 1927 | | 
| 201A |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QT1257 | Touch Button | 1970 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QU37 | Rectifier EHT | 1952 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QU37A | Rectifier EHT | 1952 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QU452 | Rectifier HW | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QU456 | Rectifier HW | | | 
| CV4117 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QV12-P10 | | 1960 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QV04-20 | Double Beam Tetrode | | | 
| 815 QQV04-20 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QV07-40 | Double Beam Tetrode | | | 
| QQV07-40 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QV08-100 | Power Tetrode | 1960 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QV20-P18 | Power Tetrode | 1955 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QX1020G | Plumbicon Camera Tube | | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QV1-150 | Beam Tetrode | | | 
| 4X150G CV3893 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QVA39 | Photocell | 1951 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QY4-250 | Power Tetrode | 1956 | B5F | 
| 4-250A 6156 C1112 CV2131 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QY4-400 | Power Tetrode | 1960 | | 
| CV5959 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QY4-500A | Power Tetrode | 1963 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QY5-3000A | Power Tetrode | 1957 | | 
| CR1100 CV5219 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QY5-3000W | Power Tetrode | 1957 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QY5-500 | Power Tetrode | 1961 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QY4-800 | Power Tetrode | 1962 | | 
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
QYS50-P40 | Pulse Tetrode | 1959 | | 
| CV313 |
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