{"product_id":"smbj18a-600w-tvs-diode-smb-do-214aa-18v-transient-voltage-suppression-for-esd-surge-protection-ruilon","title":"SMBJ18A 600W TVS Diode SMB\/DO-214AA | 18V 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:f35631a6-54e5-4426-8ca0-143df69c70c9-53\" data-testid=\"conversation-turn-108\" 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=\"5d1dc473-ff57-474d-b6f0-88ac5c1c0fb8\" 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=\"168\" data-end=\"649\"\u003eThe SMBJ18A from RUILON is a high-reliability 600W Transient Voltage Suppressor (TVS) diode engineered to protect sensitive electronic circuits from voltage transients, electrostatic discharge (ESD), and surge events. Packaged in a robust SMB (DO-214AA) surface-mount form factor, it provides strong surge handling capability and improved thermal performance compared to smaller TVS devices, making it suitable for industrial, automotive, and high-reliability electronic systems.\u003c\/p\u003e\n\u003cp data-start=\"651\" data-end=\"1019\"\u003eWith an 18V reverse standoff voltage, the SMBJ18A is optimized for low-voltage power rails and signal line protection, ensuring stable operation under normal conditions while rapidly clamping harmful transient voltage spikes. It provides reliable protection for sensitive components such as microcontrollers, logic ICs, analog circuits, and communication interfaces.\u003c\/p\u003e\n\u003cp data-start=\"1021\" data-end=\"1396\"\u003eThe device features a peak pulse power dissipation of 600W (10\/1000 µs waveform), delivering excellent energy absorption capability and reliable performance under repeated surge conditions. Its ultra-fast response time enables immediate suppression of ESD and transient voltage events, effectively preventing damage to downstream circuitry and improving system reliability.\u003c\/p\u003e\n\u003cp data-start=\"1398\" data-end=\"1632\"\u003eCompared to lower-power TVS solutions, the SMBJ18A offers enhanced surge robustness, improved clamping stability, and better thermal endurance, making it suitable for harsh electrical environments with frequent voltage disturbances.\u003c\/p\u003e\n\u003cp data-start=\"1634\" data-end=\"1857\"\u003eBuilt using advanced silicon avalanche technology, it ensures low leakage current, precise voltage clamping, and long-term operational reliability, making it a dependable protection solution for modern electronic systems.\u003c\/p\u003e\n\u003chr data-start=\"1859\" data-end=\"1862\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"1864\" data-end=\"1881\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"1882\" data-end=\"2392\"\u003e\n\u003cli data-section-id=\"1f4m8pw\" data-start=\"1882\" data-end=\"1941\"\u003e600W peak pulse power dissipation (10\/1000 µs waveform)\u003c\/li\u003e\n\u003cli data-section-id=\"1nbt5h1\" data-start=\"1942\" data-end=\"2001\"\u003e18V reverse standoff voltage for low-voltage protection\u003c\/li\u003e\n\u003cli data-section-id=\"n6up8b\" data-start=\"2002\" data-end=\"2068\"\u003eUltra-fast response time for instant ESD and surge suppression\u003c\/li\u003e\n\u003cli data-section-id=\"yncsbo\" data-start=\"2069\" data-end=\"2127\"\u003eLow leakage current for efficient and stable operation\u003c\/li\u003e\n\u003cli data-section-id=\"ts96ft\" data-start=\"2128\" data-end=\"2185\"\u003eHigh surge capability for repetitive transient events\u003c\/li\u003e\n\u003cli data-section-id=\"1pi4stx\" data-start=\"2186\" data-end=\"2254\"\u003eStrong clamping performance for sensitive electronics protection\u003c\/li\u003e\n\u003cli data-section-id=\"1sx6ha\" data-start=\"2255\" data-end=\"2323\"\u003eSMB (DO-214AA) surface-mount package for enhanced power handling\u003c\/li\u003e\n\u003cli data-section-id=\"16h25on\" data-start=\"2324\" data-end=\"2392\"\u003eSilicon avalanche technology for high reliability and durability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2394\" data-end=\"2397\"\u003e\n\u003ch2 data-section-id=\"ce0tqk\" data-start=\"2399\" data-end=\"2416\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"2417\" data-end=\"2787\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"jz4cua\" data-start=\"2417\" data-end=\"2460\"\u003eMicrocontroller and logic IC protection\u003c\/li\u003e\n\u003cli data-section-id=\"lvx3t6\" data-start=\"2461\" data-end=\"2506\"\u003eIndustrial automation and control systems\u003c\/li\u003e\n\u003cli data-section-id=\"1cocain\" data-start=\"2507\" data-end=\"2559\"\u003eCommunication interfaces (USB, RS-485, Ethernet)\u003c\/li\u003e\n\u003cli data-section-id=\"1ornlq\" data-start=\"2560\" data-end=\"2602\"\u003eConsumer electronics and smart devices\u003c\/li\u003e\n\u003cli data-section-id=\"1ddeuyp\" data-start=\"2603\" data-end=\"2652\"\u003ePower supply input\/output protection circuits\u003c\/li\u003e\n\u003cli data-section-id=\"1hn9lb3\" data-start=\"2653\" data-end=\"2686\"\u003eAutomotive electronic systems\u003c\/li\u003e\n\u003cli data-section-id=\"12hcg0v\" data-start=\"2687\" data-end=\"2736\"\u003eLED lighting drivers and portable electronics\u003c\/li\u003e\n\u003cli data-section-id=\"1dgljjr\" data-start=\"2737\" data-end=\"2787\" data-is-last-node=\"\"\u003eI\/O ports and signal line ESD protection systems\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":43786429792321,"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\/smbj18a-600w-tvs-diode-smb-do-214aa-18v-transient-voltage-suppression-for-esd-surge-protection-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}