{"product_id":"rl0402e018m300k-0402-ptc-resettable-fuse-18v-3a-overcurrent-protection-ruilon","title":"RL0402E018M300K 0402 PTC Resettable Fuse | 18V 3A Overcurrent Protection | RUILON","description":"\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 [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:b7bcf60b-59e6-46f2-ad65-c4dc62ec5cd9-47\" data-testid=\"conversation-turn-94\" data-scroll-anchor=\"false\" 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=\"a0b1abf9-84f0-4af3-aa67-181cc31a6841\" 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 dark markdown-new-styling\"\u003e\n\u003cp data-start=\"137\" data-end=\"846\"\u003eThe RL0402E018M300K is a compact 0402 PTC resettable fuse designed to provide reliable overcurrent and short-circuit protection in modern electronic circuits. With an 18V operating voltage and 3A hold current, it ensures fast response to fault conditions and automatically resets once normal operation is restored. Its small 0402 footprint is ideal for high-density PCB layouts, offering an effective balance between miniaturization and assembly efficiency. Engineered for low resistance, stable electrical performance, and long operational life, this device is widely used in consumer electronics, IoT modules, and portable systems requiring efficient and reusable circuit protection.\u003c\/p\u003e\n\u003chr data-start=\"848\" data-end=\"851\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"853\" data-end=\"870\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"871\" data-end=\"1273\"\u003e\n\u003cli data-section-id=\"1f6jryb\" data-start=\"871\" data-end=\"924\"\u003eCompact 0402 package for high-density PCB designs\u003c\/li\u003e\n\u003cli data-section-id=\"1x95wft\" data-start=\"925\" data-end=\"993\"\u003eResettable PTC fuse for overcurrent and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"wd9b6m\" data-start=\"994\" data-end=\"1040\"\u003e18V operating voltage with 3A hold current\u003c\/li\u003e\n\u003cli data-section-id=\"1918hmd\" data-start=\"1041\" data-end=\"1098\"\u003eFast trip response with automatic reset functionality\u003c\/li\u003e\n\u003cli data-section-id=\"hfctvf\" data-start=\"1099\" data-end=\"1140\"\u003eLow resistance for minimal power loss\u003c\/li\u003e\n\u003cli data-section-id=\"xgszqc\" data-start=\"1141\" data-end=\"1192\"\u003eStable performance across multiple reset cycles\u003c\/li\u003e\n\u003cli data-section-id=\"hlwggc\" data-start=\"1193\" data-end=\"1235\"\u003eHigh reliability and long service life\u003c\/li\u003e\n\u003cli data-section-id=\"1ujgfu3\" data-start=\"1236\" data-end=\"1273\"\u003eRoHS compliant and SMT-compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1275\" data-end=\"1278\"\u003e\n\u003ch2 data-section-id=\"ce0tqk\" data-start=\"1280\" data-end=\"1297\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"1298\" data-end=\"1620\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1vbqpnp\" data-start=\"1298\" data-end=\"1354\"\u003eOvercurrent protection in compact electronic devices\u003c\/li\u003e\n\u003cli data-section-id=\"1uy5xzq\" data-start=\"1355\" data-end=\"1405\"\u003eSmartphones, tablets, and wearable electronics\u003c\/li\u003e\n\u003cli data-section-id=\"ts2z4r\" data-start=\"1406\" data-end=\"1445\"\u003eBattery packs and charging circuits\u003c\/li\u003e\n\u003cli data-section-id=\"62h5tw\" data-start=\"1446\" data-end=\"1493\"\u003eLow-voltage power lines and signal circuits\u003c\/li\u003e\n\u003cli data-section-id=\"dtxsww\" data-start=\"1494\" data-end=\"1530\"\u003eIoT modules and embedded systems\u003c\/li\u003e\n\u003cli data-section-id=\"1ornlq\" data-start=\"1531\" data-end=\"1573\"\u003eConsumer electronics and smart devices\u003c\/li\u003e\n\u003cli data-section-id=\"12dad18\" data-start=\"1574\" data-end=\"1620\" data-is-last-node=\"\"\u003ePCB-level protection in high-density designs\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","brand":"RUILON","offers":[{"title":"Default Title","offer_id":43842950660161,"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\/rl0402e018m300k-0402-ptc-resettable-fuse-18v-3a-overcurrent-protection-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}