{"id":6947,"date":"2026-06-22T03:04:54","date_gmt":"2026-06-22T03:04:54","guid":{"rendered":"https:\/\/materialparts.com\/bta16-800bwrg\/"},"modified":"2026-06-22T03:04:54","modified_gmt":"2026-06-22T03:04:54","slug":"bta16-800bwrg","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/bta16-800bwrg\/","title":{"rendered":"BTA16-800BWRG"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The BTA16-800BWRG from STMicroelectronics is a 16A 800V snubberless triac with 50mA gate trigger current, insulated TO-220AB package, and 2500Vrms isolation.<\/p>\n

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\u0627\u0644\u0646\u0648\u0639<\/td>\n16A Snubberless Triac (3-Quadrant)<\/td>\n<\/tr>\n
IT(RMS)<\/td>\n16 A @ TC=80C<\/td>\n<\/tr>\n
VDRM\/VRRM<\/td>\n800 V<\/td>\n<\/tr>\n
IGT (Q1\/Q2\/Q3)<\/td>\n50 mA (max)<\/td>\n<\/tr>\n
VGT<\/td>\n1.0 V (max)<\/td>\n<\/tr>\n
VTM<\/td>\n1.5 V (max) @ ITM=22.5A<\/td>\n<\/tr>\n
IH (Holding Current)<\/td>\n50 mA (max)<\/td>\n<\/tr>\n
ITSM (Surge)<\/td>\n168 A (60Hz, one cycle)<\/td>\n<\/tr>\n
dV\/dt<\/td>\n1500 V\/us (min) @ Tj=125C<\/td>\n<\/tr>\n
\u062c\u0647\u062f \u0627\u0644\u0639\u0632\u0644<\/td>\n2500 Vrms (BTA series, internal ceramic pad)<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nTO-220AB Insulated<\/td>\n<\/tr>\n
\u062f\u0631\u062c\u0629 \u062d\u0631\u0627\u0631\u0629 \u0627\u0644\u062a\u0634\u063a\u064a\u0644<\/td>\n-40C to +125C (TJ)<\/td>\n<\/tr>\n<\/table>\n

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    \n
  • 16A RMS, 800V blocking voltage<\/li>\n
  • Snubberless (3-quadrant) for inductive loads<\/li>\n
  • Insulated TO-220AB with 2500Vrms isolation<\/li>\n
  • High dV\/dt immunity: 1500 V\/us minimum<\/li>\n
  • 50mA gate trigger current<\/li>\n
  • UL recognized (File E81734)<\/li>\n
  • ECOPACK2 RoHS compliant<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • Motor speed control<\/li>\n
    • Heating regulation<\/li>\n
    • Static relays<\/li>\n
    • Light dimmers<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The BTA16-800BWRG from STMicroelectronics is a 16A 800V snubberless triac with 50mA gate trigger current, insulated TO-220AB package, and 2500Vrms isolation. Key Specifications Type 16A Snubberless Triac (3-Quadrant) IT(RMS) 16 A @ TC=80C VDRM\/VRRM 800 V IGT (Q1\/Q2\/Q3) 50 mA (max) VGT 1.0 V (max) VTM 1.5 V (max) @ ITM=22.5A IH (Holding […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[19,13],"tags":[],"chip_brand":[142],"class_list":["post-6947","post","type-post","status-publish","format-standard","hentry","category-analog-linear-ics","category-integrated-circuits-ics","chip_brand-st"],"acf":{"brief_explanation":"Triac 16A 800V Snubberless, Insulated TO-220","date_code":"","package_case":"TO-220AB Insulated (10.0 x 8.7 x 4.6 mm, 2.54mm pitch)","in_stock":8901,"datasheet":"https:\/\/www.st.com\/resource\/en\/datasheet\/bta16.pdf","price":"$0.65 @ 1ku","product_introduction":"The BTA16-800BWRG from STMicroelectronics is a 16A RMS snubberless triac rated at 800V in an insulated TO-220AB package. The snubberless (3-quadrant) design eliminates the need for an external RC snubber network even when driving inductive loads such as motors and transformers, thanks to the high 1500 V\/us minimum dV\/dt immunity. The BTA prefix indicates the package tab is electrically isolated from the triac terminals by an internal ceramic pad, providing 2500Vrms isolation rated per UL standards. This allows the heatsink to be grounded without an additional mica insulator, simplifying assembly. The 800V blocking voltage provides margin for 230VAC line operation with transient overvoltage. The 50mA gate trigger current is compatible with most optocoupler drivers. The BW suffix denotes 50mA standard gate sensitivity with snubberless capability. The RG suffix indicates tube packaging.","working_principle":"The BTA16-800BWRG is a bidirectional thyristor (triac) that can conduct current in both directions when triggered by a gate current. Unlike standard 4-quadrant triacs, the snubberless 3-quadrant triac is designed to not trigger in quadrant 4 (negative MT2 voltage, positive gate current), which eliminates the most commutation-sensitive quadrant. This design dramatically improves the dV\/dt immunity from the typical 10-50 V\/us of standard triacs to 1500 V\/us minimum, removing the need for an external snubber RC network across MT1-MT2. When a gate trigger current (50mA max) is applied, the triac latches on and conducts until the holding current (50mA max) drops below the threshold at the AC zero-crossing. The triac then blocks until the next gate trigger. For inductive loads, the current lags the voltage, causing a rapid dV\/dt across the triac at turn-off. The snubberless design's high dV\/dt immunity prevents false triggering from this commutation transient. The internal ceramic pad between the die and the copper tab provides electrical isolation while maintaining good thermal conductivity (Rth(j-c) = 2.0 C\/W).","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>MT1<\/td>Power<\/td>Main Terminal 1 (reference for gate)<\/td><\/tr>
      2<\/td>MT2<\/td>Power<\/td>Main Terminal 2 (connected to tab internally via ceramic)<\/td><\/tr>
      3<\/td>G<\/td>Input<\/td>Gate trigger<\/td><\/tr>
      Tab<\/td>MT2<\/td>Power<\/td>Heatsink tab (isolated from die)<\/td><\/tr><\/table>","application_scenarios":"
      • 230VAC motor speed control with snubberless triac driven by MOC3021 optocoupler, no RC snubber required<\/li>
      • Industrial heater phase-angle control with 16A rating and 2500Vrms insulated tab for grounded heatsink<\/li>
      • Static relay output stage with 800V blocking and 168A surge rating for 230VAC mains switching<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        ST<\/td>BTA16-600BWRG<\/td>TO-220AB<\/td>600V version, same current<\/td><\/tr>
        ST<\/td>BTA16-800SWRG<\/td>TO-220AB<\/td>10mA logic-level gate version<\/td><\/tr>
        ST<\/td>BTA41-800BWRG<\/td>TO-247<\/td>41A, higher power version<\/td><\/tr>
        NXP<\/td>BTA208S-800B<\/td>SOT-186<\/td>8A, similar snubberless<\/td><\/tr>
        WeEn<\/td>BTA16-800BWRG<\/td>TO-220AB<\/td>Direct equivalent<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6947","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=6947"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/6947\/revisions"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=6947"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=6947"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=6947"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=6947"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}