6I1P Heptode triode in a glass finger design with an indirectly heated oxide cathode of increased durability, reliability and mechanical strength. Designed for frequency conversion with simultaneous automatic gain control in broadcast receivers. The 6I1P triode heptode is used in radio receiving equipment and other radio devices for general and special purposes. Works in any position. Available in glass finger design. 9-pin base with button bottom. Pin location: РШ8. Overall dimensions of the 6I1P triode-heptode: — lamp height — 80 mm; — lamp diameter — 22.5 mm. Weight no more than 20 g. Operating time not less than 750 hours. Foreign analogues of the 6I1P lamp: ECH81, X719, 6AJ8, 6CH40, 6C12, 20D4. Decoding the triode-heptode markings: 6I1P 6 - a number indicating the rounded value of the lamp filament voltage in volts; And - a letter that determines the type of lamp: And - hexode triode, heptode triode, octode triode; 1 - the serial number of the development of this type of lamp; P - letter characterizing the design: P - miniature (finger) lamp in a glass shell with a cylinder diameter of 19 or 22.5 mm; E - letter characterizing the increased durability of the lamp; B - a lamp with increased reliability and mechanical strength. |