{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BTA12-600CW","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"BTA12-600CW","canonicalUrl":"https://icboms.com/stmicroelectronics/BTA12-600CW","factsUrl":"https://icboms.com/api/mcp/products/BTA12-600CW","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics BTA12-600CW, Snubberless™ alternistor triac, 600 V off-state, 12 A RMS on-state, 35 mA gate trigger, TO-220-3 through-hole, -40°C to 125°C junction.","salesMarkdown":"## 600 V / 12 A Snubberless alternistor — what it does for the design The STMicroelectronics BTA12-600CW is a Snubberless™ alternistor triac rated for 600 V off-state voltage and 12 A RMS on-state current. The alternistor structure (also called a Hi-Com triac) gives it better commutating dv/dt immunity, so it handles the phase-control and zero-crossing switching that drives AC loads in industrial and appliance power stages. ## Gate drive and thermal headroom With a maximum gate trigger current of 35 mA and a maximum gate trigger voltage of 1.3 V, the BTA12-600CW can be driven directly from a microcontroller I/O pin through a series resistor — no additional driver transistor needed for most logic families. The 35 mA maximum hold current means the triac stays latched once triggered as long as the load current stays above that threshold, which is typical for a 12 A device. The 120 A / 126 A non-repetitive surge current rating (50/60 Hz) gives a healthy margin for inrush from capacitive or filament loads during turn-on. STMicroelectronics lists the BTA12-600CW as Obsolete. There is no official ST successor order code for this specific variant, so any replacement requires a form-fit-function evaluation of the application's load and drive requirements.","metaTitle":"ST BTA12-600CW Snubberless Triac, 600V 12A TO-220","metaDescription":"STMicroelectronics BTA12-600CW Snubberless™ alternistor triac, 600V off-state, 12A RMS on-state, TO-220.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Series":"Snubberless™","Package":"Bulk","Triac Type":"Alternistor - Snubberless","Configuration":"Single","Mounting Type":"Through Hole","Package / Case":"TO-220-3","Product Status":"Obsolete","lifecycle_stage":"eol_hot","Base Product Number":"BTA12","Voltage - Off State":"600 V","Operating Temperature":"-40°C~125°C(TJ)","Supplier Device Package":"TO-220","Current - Hold (Ih) (Max)":"35 mA","Current - Gate Trigger (Igt) (Max)":"35 mA","Voltage - Gate Trigger (Vgt) (Max)":"1.3 V","Current - On State (It (RMS)) (Max)":"12 A","Current - Non Rep. Surge 50, 60Hz (Itsm)":"120A, 126A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.7200","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/5ef651cdc3141726518fd3e56c11b109.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BTA12-600CW/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for BTA12-600CW?","answer":"STMicroelectronics does not list an official successor order code for the BTA12-600CW. Any replacement requires evaluating the application's voltage, current, gate drive, and package requirements against currently active Snubberless™ alternistor triacs in the BTA12 series or other ST triac families."},{"question":"Can I use BTA12-600CW for 240V AC?","answer":"Yes. The 600 V off-state voltage rating provides adequate margin for 240 V AC RMS mains (peak ~340 V) in both resistive and inductive load switching, including the voltage spikes from inductive turn-off."},{"question":"What is the gate trigger current of BTA12-600CW?","answer":"The maximum gate trigger current (Igt) is 35 mA, and the maximum gate trigger voltage (Vgt) is 1.3 V."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/BTA12-600CW","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/BTA12-600CW when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T14:28:43.407Z","lastPublished":"2026-07-16T14:28:43.407Z","indexable":true}}