{"type_number":"PL95","canonical_url":"https://tubeofile.com/tubes/PL95","manufacturer":"Philips","tube_type_key":"power_pentode","tube_type_display_name":"Power Pentode","base_name":"B7G","description":"Power pentode in B7G (miniature 7-pin) envelope with 4.5V heater for series-string operation. Designed for audio output stages in portable and AC/DC receivers. European designation; American equivalent is 3A5 (twin triode — note: PL95 is a different tube despite valve_equivalents listing).","is_directly_heated":false,"completeness":"medium","notes":["The PL95 is a miniature power pentode with 4.5V/0.175A heater designed for series-heater circuits in AC/DC and portable receivers.","European Pro-Electron naming: P = 300mA series-string heater, L = power pentode."],"references":["https://tdsl.duncanamps.com/show.php?des=PL95"],"source_urls":{"r_type":null,"tdsl":"https://tdsl.duncanamps.com/show.php?des=PL95","radiomuseum":"https://www.radiomuseum.org/tubes/tube_pl95.html"},"raw_equivalents":[],"equivalents":[],"similar":[{"type_number":"EL95","reason":"Same tube with 6.3V heater — not interchangeable in series-string circuits","has_detail_page":true},{"type_number":"PL84","reason":"Similar Philips power pentode for series-string operation but different Noval base","has_detail_page":true},{"type_number":"UL84","reason":"Similar power pentode for series-string heater circuits but 45V/100mA heater — not interchangeable","has_detail_page":true}],"pins":[{"pin_number":"1","function":"Grid 1 (Control Grid)","function_code":"g1","notes":null},{"pin_number":"2","function":"Cathode","function_code":"k","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":"Anode","function_code":"a","notes":null},{"pin_number":"6","function":"Grid 2 (Screen)","function_code":"g2","notes":null},{"pin_number":"7","function":"Grid 3 (Suppressor)","function_code":"g3","notes":null}],"specs":[{"key":"Vh","display_name":"Heater Voltage","value":"4.5","numeric_value":"4.5","unit":"V","param_group":"heater"},{"key":"Ah","display_name":"Heater Current","value":"0.175","numeric_value":"0.175","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":"170","numeric_value":"170","unit":"V","param_group":"absolute_max"},{"key":"Vg2_max","display_name":"Screen Voltage (max)","value":"170","numeric_value":"170","unit":"V","param_group":"absolute_max"},{"key":"Pa_max","display_name":"Anode Dissipation (max)","value":"4.5","numeric_value":"4.5","unit":"W","param_group":"absolute_max"},{"key":"Va","display_name":"Anode Voltage (typical)","value":"150","numeric_value":"150","unit":"V","param_group":"typical_operating"},{"key":"Vg","display_name":"Grid 1 Bias Voltage","value":"-5.5","numeric_value":"-5.5","unit":"V","param_group":"typical_operating"},{"key":"mAa","display_name":"Anode Current","value":"32","numeric_value":"32","unit":"mA","param_group":"typical_operating"},{"key":"Vg2","display_name":"Screen Voltage","value":"150","numeric_value":"150","unit":"V","param_group":"typical_operating"},{"key":"gm","display_name":"Transconductance","value":"7.5","numeric_value":"7.5","unit":"mA/V","param_group":"typical_operating"},{"key":"Po","display_name":"Output Power","value":"1.8","numeric_value":"1.8","unit":"W","param_group":"output_stage"}]}],"synced_at":"2026-04-07T12:51:12.125Z"}