{"product_id":"smaj440a-tvs-diode-sma-do-214ac-400w-440v-transient-voltage-suppressor-for-surge-protection-ruilon","title":"SMAJ440A TVS Diode SMA\/DO-214AC 400W | 440V Transient Voltage Suppressor for 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:aa19f9b8-35d8-4fc5-8ce5-88b9e809989f-30\" data-testid=\"conversation-turn-62\" 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=\"b1079516-b3e5-4b8c-a879-38222de825ea\" dir=\"auto\" data-message-model-slug=\"gpt-5-3\" 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=\"128\" data-end=\"834\"\u003eThe \u003cstrong data-start=\"155\" data-end=\"177\"\u003eSMAJ440A TVS Diode\u003c\/strong\u003e from RUILON is a high-reliability \u003cstrong data-start=\"212\" data-end=\"249\"\u003e400W transient voltage suppressor\u003c\/strong\u003e engineered to protect sensitive electronic circuits from voltage spikes, lightning surges, and electrostatic discharge (ESD). With a \u003cstrong data-start=\"383\" data-end=\"409\"\u003e440V stand-off voltage\u003c\/strong\u003e, this device is specifically designed for high-voltage applications, offering superior protection margins compared to lower-voltage TVS diodes while minimizing the risk of false triggering during normal operation. Built using advanced silicon avalanche technology, it ensures \u003cstrong data-start=\"686\" data-end=\"769\"\u003eultra-fast response time, low leakage current, and precise clamping performance\u003c\/strong\u003e, enabling effective suppression of transient overvoltage events.\u003c\/p\u003e\n\u003cp data-start=\"836\" data-end=\"1186\"\u003eDesigned for harsh operating environments, the SMAJ440A delivers excellent \u003cstrong data-start=\"911\" data-end=\"1001\"\u003ethermal stability and high peak pulse current capability under 8\/20µs surge conditions\u003c\/strong\u003e, ensuring consistent protection even under repeated surge exposure. Its strong surge absorption capability enhances system reliability and extends the lifespan of connected components.\u003c\/p\u003e\n\u003cp data-start=\"1188\" data-end=\"1523\"\u003eEncased in the industry-standard \u003cstrong data-start=\"1221\" data-end=\"1261\"\u003eSMA (DO-214AC) surface-mount package\u003c\/strong\u003e, this diode supports \u003cstrong data-start=\"1283\" data-end=\"1339\"\u003ecompact PCB layouts and automated assembly processes\u003c\/strong\u003e, making it ideal for modern electronics requiring both high performance and space efficiency. Its robust construction ensures dependable operation across a wide range of applications.\u003c\/p\u003e\n\u003cp data-start=\"1525\" data-end=\"1882\"\u003eThe SMAJ440A is widely used in \u003cstrong data-start=\"1556\" data-end=\"1683\"\u003epower supplies, industrial control systems, telecommunications infrastructure, automotive electronics, and consumer devices\u003c\/strong\u003e, providing reliable protection against high-energy transient voltage threats. It is an excellent choice for engineers seeking \u003cstrong data-start=\"1810\" data-end=\"1881\"\u003ecompact, efficient, and high-performance surge protection solutions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr data-start=\"1884\" data-end=\"1887\"\u003e\n\u003cp data-start=\"1889\" data-end=\"1914\"\u003e\u003cstrong data-start=\"1889\" data-end=\"1912\"\u003eKey Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1915\" data-end=\"2206\"\u003e\n\u003cli data-section-id=\"9578ua\" data-start=\"1915\" data-end=\"1940\"\u003ePart Number: SMAJ440A\u003c\/li\u003e\n\u003cli data-section-id=\"fqdket\" data-start=\"1941\" data-end=\"1988\"\u003ePeak Pulse Power Dissipation: 400W (8\/20µs)\u003c\/li\u003e\n\u003cli data-section-id=\"1cmp85j\" data-start=\"1989\" data-end=\"2023\"\u003eStand-off Voltage (VRWM): 440V\u003c\/li\u003e\n\u003cli data-section-id=\"pweepi\" data-start=\"2024\" data-end=\"2059\"\u003eBreakdown Voltage: ~489V – 542V\u003c\/li\u003e\n\u003cli data-section-id=\"1ae39cu\" data-start=\"2060\" data-end=\"2087\"\u003eClamping Voltage: ~713V\u003c\/li\u003e\n\u003cli data-section-id=\"1qwmmr6\" data-start=\"2088\" data-end=\"2118\"\u003eResponse Time: Picoseconds\u003c\/li\u003e\n\u003cli data-section-id=\"1udvqz3\" data-start=\"2119\" data-end=\"2143\"\u003eLeakage Current: Low\u003c\/li\u003e\n\u003cli data-section-id=\"16r08bv\" data-start=\"2144\" data-end=\"2171\"\u003ePackage: SMA \/ DO-214AC\u003c\/li\u003e\n\u003cli data-section-id=\"ujht6q\" data-start=\"2172\" data-end=\"2206\"\u003eType: Unidirectional TVS Diode\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2208\" data-end=\"2211\"\u003e\n\u003cp data-start=\"2213\" data-end=\"2232\"\u003e\u003cstrong data-start=\"2213\" data-end=\"2230\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2233\" data-end=\"2382\"\u003e\n\u003cli data-section-id=\"1wol8cx\" data-start=\"2233\" data-end=\"2266\"\u003ePower supply surge protection\u003c\/li\u003e\n\u003cli data-section-id=\"1tr9d36\" data-start=\"2267\" data-end=\"2299\"\u003eIndustrial control equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1yl3f2t\" data-start=\"2300\" data-end=\"2330\"\u003eTelecommunications systems\u003c\/li\u003e\n\u003cli data-section-id=\"1x8ffoa\" data-start=\"2331\" data-end=\"2357\"\u003eAutomotive electronics\u003c\/li\u003e\n\u003cli data-section-id=\"146wsbr\" data-start=\"2358\" data-end=\"2382\"\u003eConsumer electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2384\" data-end=\"2387\"\u003e\n\u003cp data-start=\"2389\" data-end=\"2408\"\u003e\u003cstrong data-start=\"2389\" data-end=\"2406\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2409\" data-end=\"2730\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"v7js9w\" data-start=\"2409\" data-end=\"2445\"\u003e400W peak pulse power capability\u003c\/li\u003e\n\u003cli data-section-id=\"1w4gk50\" data-start=\"2446\" data-end=\"2479\"\u003eUltra-fast transient response\u003c\/li\u003e\n\u003cli data-section-id=\"zr981z\" data-start=\"2480\" data-end=\"2527\"\u003eLow leakage current for improved efficiency\u003c\/li\u003e\n\u003cli data-section-id=\"1f3x7bn\" data-start=\"2528\" data-end=\"2572\"\u003eAccurate and stable clamping performance\u003c\/li\u003e\n\u003cli data-section-id=\"1n151ui\" data-start=\"2573\" data-end=\"2625\"\u003eHigh thermal stability and long-term reliability\u003c\/li\u003e\n\u003cli data-section-id=\"j1031g\" data-start=\"2626\" data-end=\"2678\"\u003eCompact SMA package for space-saving PCB layouts\u003c\/li\u003e\n\u003cli data-section-id=\"f44xgp\" data-start=\"2679\" data-end=\"2730\" data-is-last-node=\"\"\u003eSuitable for high-voltage protection applications\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":43785812279361,"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\/smaj440a-tvs-diode-sma-do-214ac-400w-440v-transient-voltage-suppressor-for-surge-protection-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}