{"type_number":"6CG3","canonical_url":"https://tubeofile.com/tubes/6CG3","manufacturer":"RCA","tube_type_key":"rectifier","tube_type_display_name":"Rectifier","base_name":"Duodekal","description":"Half-wave vacuum rectifier with indirectly-heated pressure-welded coated unipotential cathode, designed for color-TV damper-diode applications. Duodecar 12-pin base (JEDEC E12-70). RCA design, dated February 1969.","is_directly_heated":false,"completeness":"high","notes":["Duodecar 12-pin base (JEDEC E12-70) — mates with a Duodecar 12-contact socket, generally available from RCA distributors.","Socket terminals 2, 5, 6, 8, and 9 should not be used as tie points for external-circuit components. It is recommended that the socket tabs be removed to reduce the possibility of arc-over and to minimize leakage.","Pins 3 and 11 have no internal connection.","Peak inverse plate voltage rating of 5000V applies when the duration of the voltage pulse does not exceed 15% of one horizontal scanning cycle (525-line, 30-frame system, 15% of one horizontal scanning cycle is 10 µs).","Instantaneous tube voltage drop is 25V at instantaneous plate current of 700 mA.","Envelope temperature (hottest point on surface): 220 °C max."],"references":["https://frank.pocnet.net/sheets/049/6/6CG3.pdf","http://www.tubebooks.org/tubedata/HB-3/Receiving_Tubes_Part_1/6CG3.PDF"],"source_urls":{"r_type":null,"tdsl":"https://tdsl.duncanamps.com/show.php?des=6CG3","radiomuseum":"https://www.radiomuseum.org/tubes/tube_6cg3.html"},"raw_equivalents":[],"equivalents":[],"similar":[{"type_number":"6AX4GTB","reason":"Half-wave TV damper rectifier but Octal base — different base type, lower PIV","has_detail_page":false},{"type_number":"6CJ3","reason":"Similar Duodecar half-wave damper diode for color TV — different ratings","has_detail_page":true}],"pins":[{"pin_number":"1","function":"Heater","function_code":"h","notes":null},{"pin_number":"2","function":"Do Not Use","function_code":"ic","notes":null},{"pin_number":"3","function":"No Connection","function_code":"nc","notes":null},{"pin_number":"4","function":"Plate","function_code":"a","notes":null},{"pin_number":"5","function":"Do Not Use","function_code":"ic","notes":null},{"pin_number":"6","function":"Internal Connection","function_code":"ic","notes":null},{"pin_number":"7","function":"Cathode","function_code":"k","notes":null},{"pin_number":"8","function":"Internal Connection","function_code":"ic","notes":null},{"pin_number":"9","function":"Internal Connection","function_code":"ic","notes":null},{"pin_number":"10","function":"Plate","function_code":"a","notes":null},{"pin_number":"11","function":"No Connection","function_code":"nc","notes":null},{"pin_number":"12","function":"Heater","function_code":"h","notes":null}],"specs":[{"key":"Vh","display_name":"Heater Voltage","value":"6.3","numeric_value":"6.3","unit":"V","param_group":"heater"},{"key":"Ah","display_name":"Heater Current","value":"1.8","numeric_value":"1.8","unit":"A","param_group":"heater"}],"sections":[{"section_number":1,"section_label":"Rectifier","tube_type_key":"rectifier","specs":[{"key":"Pa_max","display_name":"Anode Dissipation (max)","value":"6.5","numeric_value":"6.5","unit":"W","param_group":"absolute_max"},{"key":"Vhk_max","display_name":"Heater-to-Cathode Voltage (max)","value":"5000","numeric_value":"5000","unit":"V","param_group":"absolute_max"},{"key":"PIV","display_name":"Peak Inverse Voltage","value":"5000","numeric_value":"5000","unit":"V","param_group":"rectifier"},{"key":"Vdrop","display_name":"Voltage Drop (typical)","value":"25","numeric_value":"25","unit":"V","param_group":"rectifier"},{"key":"Idc_max","display_name":"Max DC Output Current (total, not per-anode)","value":"350","numeric_value":"350","unit":"mA","param_group":"rectifier"},{"key":"Ia_peak","display_name":"Peak Anode Current (surge)","value":"2100","numeric_value":"2100","unit":"mA","param_group":"rectifier"}]}],"synced_at":"2026-04-08T07:52:19.422Z"}