{"type_number":"6BE6","canonical_url":"https://tubeofile.com/tubes/6BE6","manufacturer":"RCA","tube_type_key":"hexode","tube_type_display_name":"Hexode","base_name":"B7G","description":"Pentagrid converter (heptode) in a miniature B7G envelope, designed for combined oscillator and mixer service in AM superheterodyne receivers. Indirectly heated.","is_directly_heated":false,"completeness":"high","notes":["Grids 1 and 2 form the internal oscillator; grids 3 and 5 are signal grids; grid 4 is a screen grid. Grid 3 is tied internally to grid 5.","Maximum ratings: plate voltage 300V, screen (g4) voltage 100V, plate dissipation 1.0W.","Conversion transconductance (Gc) at Va=250V, Vg4=100V is approximately 450 umhos.","The 5750/6BE6-W is the ruggedised military version with tighter tolerances.","European equivalent is EK90 (Mullard). CV453 is the British military designation."],"references":["https://frank.pocnet.net/sheets/049/6/6BE6.pdf","https://tdsl.duncanamps.com/show.php?des=6BE6"],"source_urls":{"r_type":null,"tdsl":"https://tdsl.duncanamps.com/show.php?des=6BE6","radiomuseum":"https://www.radiomuseum.org/tubes/tube_6be6.html"},"raw_equivalents":["6BE6W","5750","EK90","CV453","X77"],"equivalents":[],"similar":[{"type_number":"6BY6","reason":"Similar pentagrid converter on B7G base — substitute in some circuits","has_detail_page":true},{"type_number":"6CS6","reason":"Similar pentagrid converter/mixer on B7G base — used as controlled-gain amplifier","has_detail_page":true},{"type_number":"6SA7","reason":"Same function pentagrid converter but Octal base — not pin-compatible","has_detail_page":true}],"pins":[{"pin_number":"1","function":"Grid 1 (oscillator grid)","function_code":"g1","notes":null},{"pin_number":"2","function":"Anode (oscillator, grid 2)","function_code":"g2","notes":null},{"pin_number":"3","function":"Heater","function_code":"h","notes":null},{"pin_number":"4","function":"Heater","function_code":"h","notes":null},{"pin_number":"5","function":"Plate","function_code":"a","notes":null},{"pin_number":"6","function":"Screen Grid (g4)","function_code":"g4","notes":null},{"pin_number":"7","function":"Cathode","function_code":"k","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":"0.3","numeric_value":"0.3","unit":"A","param_group":"heater"}],"sections":[{"section_number":1,"section_label":"Pentagrid Converter","tube_type_key":"hexode","specs":[{"key":"Va_max","display_name":"Anode Voltage (max)","value":"300","numeric_value":"300","unit":"V","param_group":"absolute_max"},{"key":"Vs_max","display_name":"Screen Voltage (max)","value":"100","numeric_value":"100","unit":"V","param_group":"absolute_max"},{"key":"Pa_max","display_name":"Anode Dissipation (max)","value":"1.0","numeric_value":"1","unit":"W","param_group":"absolute_max"},{"key":"Va","display_name":"Anode Voltage (typical)","value":"250","numeric_value":"250","unit":"V","param_group":"typical_operating"},{"key":"Vs","display_name":"Screen Voltage (typical)","value":"100","numeric_value":"100","unit":"V","param_group":"typical_operating"}]}],"synced_at":"2026-04-07T12:17:51.849Z"}