{"product_id":"rl0603e005m300k-0603-ptc-resettable-fuse-5v-3a-overcurrent-protection-ruilon","title":"RL0603E005M300K 0603 PTC Resettable Fuse | 5V 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-69f04330-2f0c-8322-bfd2-74d20fae3eed-9\" data-testid=\"conversation-turn-124\" 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=\"e2a085cc-a3d8-4d7f-b237-8dc77ee506b8\" 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=\"136\" data-end=\"822\"\u003eThe RL0603E005M300K is a compact 0603 PTC resettable fuse designed for reliable overcurrent and short-circuit protection in modern electronic circuits. With a 5V operating voltage and 3A hold current, it provides fast response to fault conditions and automatically resets once the fault is cleared. Its 0603 package offers a practical balance between compact size and assembly convenience, making it suitable for high-density PCB designs. Engineered for low resistance, stable electrical performance, and long service 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=\"824\" data-end=\"827\"\u003e\n\u003ch2 data-section-id=\"14at72t\" data-start=\"829\" data-end=\"846\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"847\" data-end=\"1252\"\u003e\n\u003cli data-section-id=\"n5lm3s\" data-start=\"847\" data-end=\"900\"\u003eCompact 0603 package for high-density PCB layouts\u003c\/li\u003e\n\u003cli data-section-id=\"1x95wft\" data-start=\"901\" data-end=\"969\"\u003eResettable PTC fuse for overcurrent and short-circuit protection\u003c\/li\u003e\n\u003cli data-section-id=\"or1ygy\" data-start=\"970\" data-end=\"1015\"\u003e5V operating voltage with 3A hold current\u003c\/li\u003e\n\u003cli data-section-id=\"1918hmd\" data-start=\"1016\" data-end=\"1073\"\u003eFast trip response with automatic reset functionality\u003c\/li\u003e\n\u003cli data-section-id=\"hfctvf\" data-start=\"1074\" data-end=\"1115\"\u003eLow resistance for minimal power loss\u003c\/li\u003e\n\u003cli data-section-id=\"xgszqc\" data-start=\"1116\" data-end=\"1167\"\u003eStable performance across multiple reset cycles\u003c\/li\u003e\n\u003cli data-section-id=\"t5grmx\" data-start=\"1168\" data-end=\"1214\"\u003eHigh reliability and long operational life\u003c\/li\u003e\n\u003cli data-section-id=\"1ujgfu3\" data-start=\"1215\" data-end=\"1252\"\u003eRoHS compliant and SMT-compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1254\" data-end=\"1257\"\u003e\n\u003ch2 data-section-id=\"ce0tqk\" data-start=\"1259\" data-end=\"1276\"\u003eApplications\u003c\/h2\u003e\n\u003cul data-start=\"1277\" data-end=\"1599\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1vbqpnp\" data-start=\"1277\" data-end=\"1333\"\u003eOvercurrent protection in compact electronic devices\u003c\/li\u003e\n\u003cli data-section-id=\"1uy5xzq\" data-start=\"1334\" data-end=\"1384\"\u003eSmartphones, tablets, and wearable electronics\u003c\/li\u003e\n\u003cli data-section-id=\"ts2z4r\" data-start=\"1385\" data-end=\"1424\"\u003eBattery packs and charging circuits\u003c\/li\u003e\n\u003cli data-section-id=\"3r16bs\" data-start=\"1425\" data-end=\"1468\"\u003eUSB power lines and low-voltage systems\u003c\/li\u003e\n\u003cli data-section-id=\"dys2av\" data-start=\"1469\" data-end=\"1509\"\u003eIoT modules and embedded electronics\u003c\/li\u003e\n\u003cli data-section-id=\"1ornlq\" data-start=\"1510\" data-end=\"1552\"\u003eConsumer electronics and smart devices\u003c\/li\u003e\n\u003cli data-section-id=\"12dad18\" data-start=\"1553\" data-end=\"1599\" 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":43844149477441,"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\/rl0603e005m300k-0603-ptc-resettable-fuse-5v-3a-overcurrent-protection-ruilon","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}