Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
X05 | | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
| | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
X21MET | Heptode | 1934 | | ![](../static/nopdf.jpg)
| CV3817 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
X481D | Reflex Klystron | 1952 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XA3446 | Katz Adder | 1950 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XB2 | Barretter | | | ![](../static/nopdf.jpg)
| CV1634 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XC13 | Thyratron | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XC18 | Thyratron | | | ![](../static/nopdf.jpg)
| G1/237G |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XC23 | Thyratron | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XC24 | Thyratron | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XC31 | Thyratron | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XD60 | | | | ![](../static/nopdf.jpg)
| CV168 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XD61 | | | | ![](../static/nopdf.jpg)
| CV169 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XE2 | Triode | 1950 | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFG1 | Thyratron | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFR1 | Subminiature RF Pentode | | | ![](../static/nopdf.jpg)
| 1AD4 CV2237 DF62 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFR2 | Subminiature RF Pentode | | | ![](../static/nopdf.jpg)
| 5678 CV2254 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFR3 | Subminiature VHF Triode | 1956 | | ![](../static/nopdf.jpg)
| 5676 CV2239 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFR5 | Subminiature RF Pentode | | | ![](../static/nopdf.jpg)
| 5678 CV2254 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFW20 | Pentode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFW30 | Pentode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFW40 | Subminiature AF Pentode | | | ![](../static/nopdf.jpg)
| CV2260 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFW50 | Pentode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY11 | Pentode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY12 | Pentode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY14 | Subminiature Output Pentode | | | ![](../static/nopdf.jpg)
| 5672 CV2238 DL620 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY15 | Subminiature Output Pentode | | | ![](../static/nopdf.jpg)
| 5672 CV2238 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY22 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY31 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY32 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY33 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY34 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY35 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY41 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY43 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY51 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY53 | Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XFY54 | Subminiature Output Beam Tetrode | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XG15-10 | Triode Thyratron | 1957 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XG15-12 | Triode Thyratron | 1957 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XG2 | Tetrode Thyratron | 1958 | | ![](../static/nopdf.jpg)
| CV474 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XG2-12 | Tetrode Thyratron | 1957 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XG2-25 | TriodeThyratron | 1956 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XG5-500 | Triode Thyratron | 1957 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XGQ2-6400 | Tetrode Thyratron | 1952 | B4D | ![](../static/pdflogo.gif)
| MT105 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XH16-200 | Triode Thyratron | 1955 | | ![](../static/pdflogo.gif)
| 5C22 CV2520 PL522 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XH25-500 | Triode Thyratron | 1957 | | ![](../static/pdflogo.gif)
| CV3521 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XH3-045 | Triode Thyratron | 1958 | | ![](../static/pdflogo.gif)
| 3C45 CV372 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XH8-100 | Triode Thyratron | 1958 | | ![](../static/pdflogo.gif)
| 4C35 CV1787 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XJ | | | | ![](../static/nopdf.jpg)
| CV119 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XL601 | Glow Modulator | 1970 | IO | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XN1 | Cold Cathode Indicator Tube | 1960 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XN13 | Cold Cathode Indicator Tube | 1960 | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XN13-FA | Cold Cathode Indicator Tube | 1960 | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XNP12 | Cold Cathode Indicator Tube | 1960 | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XQ1020G | Camera Tube | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XQ1410B | Camera Tube | | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XQ3457R | Camera Tube | | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XR1-12 | Triode Thyratron | 1959 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XR1-1600 | Triode Thyratron | 1959 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XR1-3200 | Triode Thyratron | 1958 | | ![](../static/pdflogo.gif)
| 5544 CV2210 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XR1-3200A | Triode Thyratron | 1960 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XR1-6400A | Triode Thyratron | 1959 | | ![](../static/pdflogo.gif)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XR4 | RF Power Pentode | | | ![](../static/nopdf.jpg)
| 6397 |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XR9 | Double Triode | 1958 | | ![](../static/nopdf.jpg)
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XSG | RF Tetrode | 1935 | | ![](../static/nopdf.jpg)
| XSGSW |
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Type | Structure | Date | Base | PDF | Sensibly equivalent¶ to: |
XT45A | Thermal Delay Switch | | B7G | ![](../static/pdflogo.gif)
| F9031A |
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