Electronic tube and vacuum tube catalog

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High-vacuum electromechanical switching tube for rapid interruption of high-voltage, high-current circuits. It performs physical vacuum switching rather than gas-discharge or thermionic control.

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Bomac BL-315 waveguide mechanical shutter; 23.7–24.3 GHz; coil 14 V DC nominal, 100 ohms.

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Bomac BL-323 tunable mechanical cavity shutter, no gas fill; 8490–9600 MHz; 3 V coil.

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Single-pole double-throw vacuum switch for high-speed relay switching in high-current DC circuits. Mechanical contacts operate within vacuum for rapid, reliable interruption.

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Mechanically actuated single-pole double-throw vacuum switch for high-speed switching. Sealed vacuum contacts provide rapid circuit transfer with strong electrical isolation.

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Dry reed switch for sealed mechanical switching. Magnetic actuation closes or opens reed contacts without gas-discharge or thermionic operation.