{"product_id":"bw1185j2-yd1212-water-cooled-power-triode","title":"BW1185 \/ BW1185J2 Triode Tube","description":"\u003ch2 style=\"font-size: 32px;\"\u003eBW1185J2 \/ YD1212 tube specs\u003c\/h2\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe table below summarizes the key specifications for this water cooled \u003ca href=\"https:\/\/pentalabs.com\/collections\/triodes\"\u003epower triode\u003c\/a\u003e so you can quickly compare against your generator’s electrical limits and mechanical envelope.\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: 2px solid #000;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #000; padding: 10px; text-align: left;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #000; padding: 10px; text-align: left;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eTube type\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eWater-cooled triode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eOutput power\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e163 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eFrequency range\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eUp to 100 MHz (application-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eAnode voltage (max)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e15 kV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eGrid voltage (reference)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e-2000 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eGrid dissipation (max)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e2.5 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eAnode dissipation\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e100 kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003ePeak cathode current\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e100 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eFilament voltage\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e12.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eFilament current\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e250 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f2f2f2;\"\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eAmplification factor (µ)\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003e36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eCooling\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #000; padding: 10px;\"\u003eWater-cooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBW1185J2 \/ YD1212 tube data sheet download\u003c\/h3\u003e\n\u003cp\u003eUse the link below to download the BW1185J2 \/ YD1212 datasheet. If you’d like help reviewing limits like duty cycle, cooling requirements, or frequency range, send your system details, and we’ll help you confirm suitability.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0707\/6996\/7348\/files\/BW11852J2.pdf?v=1770066845\"\u003eDownload BW1185Js datasheet\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eBW1185J2 \/ YD1212 tube substitute \u0026amp; equivalent information\u003c\/h3\u003e\n\u003cp\u003eBW1185J2 is commonly used as a YD1212 tube equivalent in high-power, water-cooled triode applications for industrial RF oscillator service. It is often selected as a substitute for tubes marked YD1212 and ITK90-1 when the mechanical envelope, cooling connections, and operating conditions match the generator’s requirements.\u003c\/p\u003e\n\u003cp\u003eFor Thales-marked units, BW1185J2 can serve as a direct replacement for a YD1212 \u003ca href=\"https:\/\/pentalabs.com\/collections\/thales-replacement-tubes\"\u003eThales tube\u003c\/a\u003e. It is also used in RF oscillator systems for applications involving \u003ca href=\"https:\/\/pentalabs.com\/collections\/rf-heating\"\u003eRF heat sealing equipment\u003c\/a\u003e and other dielectric heating workflows where stable emission and consistent output matter.\u003c\/p\u003e\n\u003cp\u003eNot sure which equivalent is right for your system? Send the tube marking, generator model, operating frequency, and cooling-loop details. You can also browse the full range of \u003ca href=\"https:\/\/pentalabs.com\/collections\/all\"\u003evacuum tubes for sale\u003c\/a\u003e, on our site, and we’ll help you narrow down the best match before you commit.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":45772449775860,"sku":"","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/6996\/7348\/files\/PENTA_BW1185_NO_JACKET.png?v=1752876145","url":"https:\/\/pentalabs.com\/products\/bw1185j2-yd1212-water-cooled-power-triode","provider":"Penta Laboratories","version":"1.0","type":"link"}