{"product_id":"sma6j40a-400w-tvs-diode-sma-do-214ac-40v-transient-voltage-suppression-for-esd-surge-protection-ruilon","title":"SMA6J40A 400W TVS Diode SMA\/DO-214AC | 40V Transient Voltage Suppression for ESD \u0026 Surge Protection | RUILON","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:f35631a6-54e5-4426-8ca0-143df69c70c9-4\" data-testid=\"conversation-turn-10\" data-scroll-anchor=\"true\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"6cc249ba-6f08-447e-b9c4-78e2039c781d\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"169\" data-end=\"592\"\u003eThe SMA6J40A from RUILON is a high-reliability 400W Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic circuits from voltage transients, electrostatic discharge (ESD), and surge-induced damage. Built in a compact SMA (DO-214AC) surface-mount package, it provides an excellent combination of high surge capability and space-saving design, making it ideal for modern high-density PCB layouts.\u003c\/p\u003e\n\u003cp data-start=\"594\" data-end=\"1020\"\u003eWith a 40V reverse standoff voltage, the SMA6J40A is optimized for medium-voltage power rails and signal line protection, ensuring stable operation under normal conditions while instantly clamping harmful voltage spikes during transient events. Its ultra-fast response time allows immediate reaction to voltage surges, effectively safeguarding critical components such as ICs, microcontrollers, and communication interfaces.\u003c\/p\u003e\n\u003cp data-start=\"1022\" data-end=\"1404\"\u003eThe device features a peak pulse power dissipation of 400W (10\/1000 µs waveform), delivering strong energy absorption capability and reliable performance under repeated surge conditions. Compared to lower-voltage TVS devices, the SMA6J40A offers a higher breakdown threshold, making it suitable for applications requiring increased voltage tolerance and robust protection margins.\u003c\/p\u003e\n\u003cp data-start=\"1406\" data-end=\"1686\"\u003eUsing advanced silicon avalanche technology, it ensures low leakage current, high clamping accuracy, and long-term operational stability. This makes it a dependable solution for protecting power lines, data interfaces, and sensitive electronics in harsh electrical environments.\u003c\/p\u003e\n\u003chr data-start=\"1688\" data-end=\"1691\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"1693\" data-end=\"1710\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1711\" data-end=\"2208\"\u003e\n\u003cli data-section-id=\"1pzgug6\" data-start=\"1711\" data-end=\"1770\"\u003e400W peak pulse power dissipation (10\/1000 µs waveform)\u003c\/li\u003e\n\u003cli data-section-id=\"7ashtu\" data-start=\"1771\" data-end=\"1841\"\u003e40V reverse standoff voltage for medium-voltage circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"1nnx0zf\" data-start=\"1842\" data-end=\"1908\"\u003eUltra-fast response time for instant surge and ESD suppression\u003c\/li\u003e\n\u003cli data-section-id=\"1lq1ngp\" data-start=\"1909\" data-end=\"1970\"\u003eLow leakage current for improved efficiency and stability\u003c\/li\u003e\n\u003cli data-section-id=\"1xsttwo\" data-start=\"1971\" data-end=\"2027\"\u003eHigh surge endurance for repetitive transient events\u003c\/li\u003e\n\u003cli data-section-id=\"zhcpzo\" data-start=\"2028\" data-end=\"2090\"\u003eStrong clamping capability for sensitive device protection\u003c\/li\u003e\n\u003cli data-section-id=\"wpyu25\" data-start=\"2091\" data-end=\"2139\"\u003eCompact SMA (DO-214AC) surface-mount package\u003c\/li\u003e\n\u003cli data-section-id=\"16h25on\" data-start=\"2140\" data-end=\"2208\"\u003eSilicon avalanche technology for high reliability and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2210\" data-end=\"2213\"\u003e\n\u003ch2 data-section-id=\"ce0tqk\" data-start=\"2215\" data-end=\"2232\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"2233\" data-end=\"2585\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"331gje\" data-start=\"2233\" data-end=\"2279\"\u003eAutomotive electronic control units (ECUs)\u003c\/li\u003e\n\u003cli data-section-id=\"lvx3t6\" data-start=\"2280\" data-end=\"2325\"\u003eIndustrial automation and control systems\u003c\/li\u003e\n\u003cli data-section-id=\"63pe81\" data-start=\"2326\" data-end=\"2366\"\u003ePower supply input\/output protection\u003c\/li\u003e\n\u003cli data-section-id=\"16uvalg\" data-start=\"2367\" data-end=\"2422\"\u003eCommunication interfaces (RS-485, RS-232, Ethernet)\u003c\/li\u003e\n\u003cli data-section-id=\"1ornlq\" data-start=\"2423\" data-end=\"2465\"\u003eConsumer electronics and smart devices\u003c\/li\u003e\n\u003cli data-section-id=\"5g89bi\" data-start=\"2466\" data-end=\"2502\"\u003eLED lighting and driver circuits\u003c\/li\u003e\n\u003cli data-section-id=\"x6ju79\" data-start=\"2503\" data-end=\"2543\"\u003ePortable and battery-powered devices\u003c\/li\u003e\n\u003cli data-section-id=\"bbq06q\" data-start=\"2544\" data-end=\"2585\" data-is-last-node=\"\"\u003eI\/O port and signal line ESD protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e","brand":"RUILON","offers":[{"title":"Default Title","offer_id":43786096672833,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4468\/5633\/files\/Diodes_Transistors_Thyristors-31-01-02_84534d99-9295-403f-85b4-06c917fa26da.png?v=1767612156","url":"https:\/\/hext.in\/products\/sma6j40a-400w-tvs-diode-sma-do-214ac-40v-transient-voltage-suppression-for-esd-surge-protection-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}