{"product_id":"smaj40a-400w-transient-voltage-suppressor-diode-sma-do-214ac-high-voltage-tvs-surge-protection-diode-ruilon","title":"SMAJ40A 400W Transient Voltage Suppressor Diode SMA (DO-214AC) | High Voltage TVS Surge Protection Diode RUILON","description":"\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"4aa40f2a-706e-4cd7-b6c8-06c235680b6c\" 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=\"135\" data-end=\"607\"\u003eThe SMAJ40A 400W Transient Voltage Suppressor (TVS) Diode from RUILON is a high-reliability surge protection component designed to protect sensitive electronic circuits from voltage transients, electrostatic discharge (ESD), and high-energy surge events. Encapsulated in a compact SMA (DO-214AC) package, it delivers strong surge absorption capability while ensuring efficient surface-mount integration for modern electronic designs.\u003c\/p\u003e\n\u003cp data-start=\"609\" data-end=\"986\"\u003eThe SMAJ40A provides fast response clamping action, effectively limiting over-voltage spikes before they can damage critical semiconductor devices such as ICs, microcontrollers, and communication interfaces. With a peak pulse power rating of 400W, it offers robust energy-handling capability suitable for demanding industrial, automotive, and consumer electronics applications.\u003c\/p\u003e\n\u003cp data-start=\"988\" data-end=\"1343\"\u003eThis device features low leakage current under normal operating conditions, ensuring minimal power loss and improved system efficiency. Its stable breakdown voltage characteristics and high surge endurance make it highly reliable in environments exposed to repetitive electrical stress, including inductive load switching and lightning-induced transients.\u003c\/p\u003e\n\u003cp data-start=\"1345\" data-end=\"1550\"\u003eCompared to lower-voltage TVS devices, the SMAJ40A offers higher clamping levels and improved durability, making it suitable for applications requiring enhanced voltage tolerance and long-term reliability.\u003c\/p\u003e\n\u003chr data-start=\"1552\" data-end=\"1555\"\u003e\n\u003ch3 data-section-id=\"1s1yvt8\" data-start=\"1557\" data-end=\"1578\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1561\" data-end=\"1578\"\u003eKey Features:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"1579\" data-end=\"1974\"\u003e\n\u003cli data-section-id=\"1p0bhkd\" data-start=\"1579\" data-end=\"1627\"\u003e400W peak pulse power dissipation capability\u003c\/li\u003e\n\u003cli data-section-id=\"4vnc40\" data-start=\"1628\" data-end=\"1676\"\u003eFast response time for transient suppression\u003c\/li\u003e\n\u003cli data-section-id=\"4xbyct\" data-start=\"1677\" data-end=\"1731\"\u003eLow leakage current for energy-efficient operation\u003c\/li\u003e\n\u003cli data-section-id=\"1u2zx1i\" data-start=\"1732\" data-end=\"1774\"\u003eHigh surge current handling capability\u003c\/li\u003e\n\u003cli data-section-id=\"1mk3m9e\" data-start=\"1775\" data-end=\"1815\"\u003eStable breakdown voltage performance\u003c\/li\u003e\n\u003cli data-section-id=\"wpyu25\" data-start=\"1816\" data-end=\"1864\"\u003eCompact SMA (DO-214AC) surface-mount package\u003c\/li\u003e\n\u003cli data-section-id=\"8goba1\" data-start=\"1865\" data-end=\"1919\"\u003eHigh reliability under repetitive surge conditions\u003c\/li\u003e\n\u003cli data-section-id=\"11l9zrm\" data-start=\"1920\" data-end=\"1974\"\u003eRoHS compliant and environmentally friendly design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1976\" data-end=\"1979\"\u003e\n\u003ch3 data-section-id=\"1einuet\" data-start=\"1981\" data-end=\"2002\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1985\" data-end=\"2002\"\u003eApplications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul data-start=\"2003\" data-end=\"2306\"\u003e\n\u003cli data-section-id=\"63pe81\" data-start=\"2003\" data-end=\"2043\"\u003ePower supply input\/output protection\u003c\/li\u003e\n\u003cli data-section-id=\"xwcxty\" data-start=\"2044\" data-end=\"2077\"\u003eIndustrial automation systems\u003c\/li\u003e\n\u003cli data-section-id=\"1l2orh3\" data-start=\"2078\" data-end=\"2120\"\u003eCommunication and networking equipment\u003c\/li\u003e\n\u003cli data-section-id=\"lpqj6o\" data-start=\"2121\" data-end=\"2154\"\u003eAutomotive electronic modules\u003c\/li\u003e\n\u003cli data-section-id=\"nz7y0v\" data-start=\"2155\" data-end=\"2186\"\u003eConsumer electronic devices\u003c\/li\u003e\n\u003cli data-section-id=\"1a83yrq\" data-start=\"2187\" data-end=\"2221\"\u003eLED lighting driver protection\u003c\/li\u003e\n\u003cli data-section-id=\"1ywh1kw\" data-start=\"2222\" data-end=\"2257\"\u003eSignal and data line protection\u003c\/li\u003e\n\u003cli data-section-id=\"12z5twt\" data-start=\"2258\" data-end=\"2306\"\u003eMicrocontroller and semiconductor protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2308\" data-end=\"2487\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eRUILON SMAJ40A ensures reliable transient voltage suppression with high surge capability, compact design, and long-term durability for advanced electronic protection applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"RUILON","offers":[{"title":"Default Title","offer_id":43782484262977,"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\/smaj40a-400w-transient-voltage-suppressor-diode-sma-do-214ac-high-voltage-tvs-surge-protection-diode-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}