{"type_number":"EL60","canonical_url":"https://tubeofile.com/tubes/EL60","manufacturer":"Philips","tube_type_key":"power_pentode","tube_type_display_name":"Power Pentode","base_name":"B7G","description":"Output pentode in B7G miniature base; indirectly heated. Philips type introduced 1949, electrically referenced to the EL34 for detailed curves and operating data. Enne-al (Eintal) construction — all-glass miniature envelope.","is_directly_heated":false,"completeness":"high","notes":["The Philips datasheet (939 2754, dated 11.11.1949) explicitly states: 'For further data and curves refer to type EL34.'","Enne-al construction with B7G miniature base. All pins on the 7-pin base — no top cap.","Pin diagram shows: g2 at top, anode (a), g2 on right, g1 on lower right, suppressor grid (g3) accessible, cathode (k), heater (f) on left side.","Capacitances: Cg1 = 16.6 pF, Ca = 11 pF, Cag1 = 1.1 pF, Cg1f < 0.6 pF, Ckf = 10 pF."],"references":["https://frank.pocnet.net/sheets/030/e/EL60.pdf"],"source_urls":{"r_type":null,"tdsl":null,"radiomuseum":"https://www.radiomuseum.org/tubes/tube_el60.html"},"raw_equivalents":[],"equivalents":[],"similar":[{"type_number":"EL34","reason":"Philips datasheet refers to EL34 for curves and detailed data — similar electrical characteristics but EL34 uses Octal base","has_detail_page":true}],"pins":[{"pin_number":"1","function":"Anode","function_code":"a","notes":null},{"pin_number":"2","function":"Screen Grid (g2)","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":"Control Grid (g1)","function_code":"g1","notes":null},{"pin_number":"6","function":"Suppressor Grid (g3)","function_code":"g3","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":"1.5","numeric_value":"1.5","unit":"A","param_group":"heater"}],"sections":[{"section_number":1,"section_label":"Pentode","tube_type_key":"power_pentode","specs":[{"key":"Va_max","display_name":"Anode Voltage (max)","value":"800","numeric_value":"800","unit":"V","param_group":"absolute_max"},{"key":"Vs_max","display_name":"Screen Voltage (max)","value":"500","numeric_value":"500","unit":"V","param_group":"absolute_max"},{"key":"Pa_max","display_name":"Anode Dissipation (max)","value":"25","numeric_value":"25","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":"265","numeric_value":"265","unit":"V","param_group":"typical_operating"},{"key":"Vg","display_name":"Grid 1 Bias Voltage","value":"-13.5","numeric_value":"-13.5","unit":"V","param_group":"typical_operating"},{"key":"mAa","display_name":"Anode Current","value":"100","numeric_value":"100","unit":"mA","param_group":"typical_operating"},{"key":"mAs","display_name":"Screen Current","value":"15","numeric_value":"15","unit":"mA","param_group":"typical_operating"},{"key":"ra","display_name":"Anode Resistance","value":"17000","numeric_value":"17000","unit":"Ω","param_group":"typical_operating"},{"key":"gm","display_name":"Transconductance","value":"12.5","numeric_value":"12.5","unit":"mA/V","param_group":"typical_operating"},{"key":"Pout","display_name":"Output Power","value":"11","numeric_value":"11","unit":"W","param_group":"output"},{"key":"rl","display_name":"Load Impedance","value":"2000","numeric_value":"2000","unit":"Ω","param_group":"output"},{"key":"Cgp","display_name":"Grid-to-Plate Capacitance","value":"1.1","numeric_value":"1.1","unit":"pF","param_group":"capacitances"},{"key":"Cgk","display_name":"Grid-to-Cathode Capacitance","value":"16.6","numeric_value":"16.6","unit":"pF","param_group":"capacitances"},{"key":"Cak","display_name":"Anode-to-Cathode Capacitance","value":"11","numeric_value":"11","unit":"pF","param_group":"capacitances"}]}],"synced_at":"2026-04-07T12:46:20.414Z"}