{"type_number":"6N10S","canonical_url":"https://tubeofile.com/tubes/6N10S","manufacturer":null,"tube_type_key":"small_signal_triode","tube_type_display_name":"Small Signal Triode","base_name":"Octal","description":"Soviet high-mu twin triode (6Н10С) with Octal base. Direct equivalent of the Western 6SC7. Designed for use as a high-gain voltage amplifier and phase inverter. Features separate cathodes for each section. Glass envelope with metal base shell.","is_directly_heated":false,"completeness":"medium","notes":["Cyrillic designation: 6Н10С. Russian_equivalents.json confirms: 6N10S ≈ 6SC7.","The 6SC7 has separate cathodes for each triode section (unlike the 6SN7/6SL7 which share a common cathode connection pattern). Pin 1 = Grid 1, Pin 2 = Anode 1, Pin 3 = Grid 2, Pin 4 = Anode 2, Pin 5 = Cathode 2, Pin 7 = Heater, Pin 8 = Heater, Cathode 1 connects internally through pin arrangement.","High amplification factor (μ=70) makes it suitable for high-gain voltage amplifier and phase inverter stages.","From Tung-Sol datasheet: Va=250V, Vg=-2V, Ia=2mA, ra=53kΩ, gm=1325 µmhos, mu=70."],"references":["https://frank.pocnet.net/sheets/127/6/6SC7.pdf","https://www.radiomuseum.org/tubes/tube_6n10s.html"],"source_urls":{"r_type":null,"tdsl":null,"radiomuseum":"https://www.radiomuseum.org/tubes/tube_6n10s.html"},"raw_equivalents":["6SC7","6SC7GT","VT-105","CV693"],"equivalents":[{"type_number":"6SC7","equivalence_type":"direct","notes":null}],"similar":[{"type_number":"6N9S","reason":"Soviet equivalent of 6SL7GT — also a high-mu dual triode but with higher mu (70 vs 70) and different pinout","has_detail_page":false},{"type_number":"6SL7","reason":"Different Octal dual triode — higher mu (70) and common cathode design vs separate cathodes on 6SC7/6N10S","has_detail_page":true}],"pins":[{"pin_number":"1","function":"Grid (section 1)","function_code":"g1_1","notes":null},{"pin_number":"2","function":"Anode (section 1)","function_code":"a1","notes":null},{"pin_number":"3","function":"Grid (section 2)","function_code":"g1_2","notes":null},{"pin_number":"4","function":"Anode (section 2)","function_code":"a2","notes":null},{"pin_number":"5","function":"Cathode (section 2)","function_code":"k2","notes":null},{"pin_number":"6","function":"Cathode (section 1)","function_code":"k1","notes":null},{"pin_number":"7","function":"Heater","function_code":"h","notes":null},{"pin_number":"8","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":"0.3","numeric_value":"0.3","unit":"A","param_group":"heater"}],"sections":[{"section_number":1,"section_label":"Triode (each section)","tube_type_key":"small_signal_triode","specs":[{"key":"Va_max","display_name":"Anode Voltage (max)","value":"250","numeric_value":"250","unit":"V","param_group":"absolute_max"},{"key":"Va","display_name":"Anode Voltage (typical)","value":"250","numeric_value":"250","unit":"V","param_group":"typical_operating"},{"key":"Vg","display_name":"Grid 1 Bias Voltage","value":"-2","numeric_value":"-2","unit":"V","param_group":"typical_operating"},{"key":"mAa","display_name":"Anode Current","value":"2","numeric_value":"2","unit":"mA","param_group":"typical_operating"},{"key":"ra","display_name":"Anode Resistance","value":"53000","numeric_value":"53000","unit":"Ω","param_group":"typical_operating"},{"key":"gm","display_name":"Transconductance","value":"1.325","numeric_value":"1.325","unit":"mA/V","param_group":"typical_operating"},{"key":"mu","display_name":"Amplification Factor (μ)","value":"70","numeric_value":"70","unit":"—","param_group":"typical_operating"}]}],"synced_at":"2026-04-07T12:26:44.569Z"}