{"title":"Littelfuse","description":"\u003cp\u003e\u003cstrong\u003eLittelfuse protection components in stock at YILUDA TECH.\u003c\/strong\u003e Nine Littelfuse lines are held as 100% original, new and unused material, covering TVS diodes, resettable PPTC fuses and surface-mount cartridge fuses.\u003c\/p\u003e \u003ch2\u003eWhat is listed\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTVS diodes\u003c\/strong\u003e — SMCJ30A in SMC, SMF13A unidirectional in SMF.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePPTC resettable fuses\u003c\/strong\u003e — MINISMDC050F-2 and MINISMDC075F-2 in 1812.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFuses\u003c\/strong\u003e — 0443002.DR and 0154003.DR at 2 and 3 A, 0154005.DR at 5 A, 0452003.MRL at 3 A.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSwitch\u003c\/strong\u003e — JS202011JCQN slide switch.\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eTVS: three numbers, not one\u003c\/h2\u003e \u003cp\u003eSMCJ30A is a 30 volt standoff device in an SMC package with a 1500 watt peak pulse rating. The standoff voltage is the level the part tolerates continuously; the breakdown voltage is where it starts to conduct; the clamping voltage is what the protected circuit actually sees during a surge. Selecting on standoff voltage alone and ignoring clamp voltage is how a 3.3 V rail ends up protected by a device that lets 20 volts through to the IC. The A suffix marks a unidirectional part with a specified breakdown window, and replacing it with a bidirectional device changes both the clamp behaviour and the capacitance seen by the signal.\u003c\/p\u003e \u003ch2\u003ePPTC: hold and trip are different currents\u003c\/h2\u003e \u003cp\u003eA MINISMDC075F-2 holds 0.75 A and trips at a higher current, and both figures are specified at 25 degrees. In an enclosure running at 50 degrees the hold current falls meaningfully, so a fuse chosen at exactly the load current will nuisance-trip in the field. The right selection leaves margin on hold current and checks the trip time at the fault current the supply can actually deliver.\u003c\/p\u003e \u003ch2\u003eFuse notes\u003c\/h2\u003e \u003cul\u003e \u003cli\u003eVoltage rating and breaking capacity matter as much as the ampere rating on a DC rail.\u003c\/li\u003e \u003cli\u003eThe .DR and .MRL suffixes denote packaging, not electrical differences.\u003c\/li\u003e \u003cli\u003eWorldwide shipping from Shenzhen by DHL, FedEx or UPS.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eNeed a specific clamping voltage or hold current?\u003c\/h3\u003e \u003cp\u003eSend the rail voltage, the surge level and the fuse hold current, and we will check what Littelfuse stock we hold or can source.\u003c\/p\u003e \u003cp\u003eRelated protection: \u003ca href=\"\/collections\/bourns\"\u003eBourns\u003c\/a\u003e, \u003ca href=\"\/collections\/vishay\"\u003eVishay\u003c\/a\u003e, \u003ca href=\"\/collections\/diodes-incorporated\"\u003eDiodes Incorporated\u003c\/a\u003e, \u003ca href=\"\/collections\/all\"\u003efull inventory\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"0154003-dr","title":"0154003.DR SMD Fuse New in Stock Electronic Components","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 0154003.DR\u003c\/p\u003e\u003cp\u003e0154003.DR SMD Fuse New in Stock Electronic Components\u003c\/p\u003e\u003cp\u003eMOQ: 50 | Original \u0026amp; new stock electronic components.\u003c\/p\u003e\u003cp\u003eContact us for pricing, availability and quotes.\u003c\/p\u003e","brand":"Littelfuse","offers":[{"title":"Default Title","offer_id":71212592070909,"sku":null,"price":0.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/6202\/8541\/files\/Hab6fd88999fe4daa8935966449482d8bG.webp?v=1788145635"},{"product_id":"smf13a","title":"SMF13A SMF Unidirectional TVS Diode New in Stock Electronic Components","description":"\u003cp\u003eSMF13A Littelfuse — 100% original and brand-new stock, ready to ship from YILUDA TECH.\u003c\/p\u003e\n\u003cul\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003ePart number:\u003c\/strong\u003e SMF13A\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Littelfuse\u003c\/li\u003e\n\n\n\u003cli\u003e\n\n\u003cstrong\u003eCondition:\u003c\/strong\u003e 100% original, new \u0026amp; unused — no refurbished or counterfeit material\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock at our Shenzhen warehouse; global shipping via DHL\/FedEx\/UPS\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eQuality:\u003c\/strong\u003e Incoming inspection and traceability available on request\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\u003cp\u003ePricing depends on quantity. Send a Request a Quote or chat with us with your target quantity and destination for a quotation, availability and lead time.\u003c\/p\u003e","brand":"Littelfuse","offers":[{"title":"Default Title","offer_id":71213633208573,"sku":null,"price":0.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/6202\/8541\/files\/H15a44ec03cc24976ae37dcb1174b9fd8O.webp?v=1788155922"},{"product_id":"minismdc050f-2","title":"MINISMDC050F-2 1812 SMD PPTC Resettable Fuse New in Stock Electronic Components","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e MINISMDC050F-2\u003c\/p\u003e\u003cp\u003eMINISMDC050F-2 1812 SMD PPTC Resettable Fuse New in Stock Electronic Components\u003c\/p\u003e\u003cp\u003eMOQ: 1000 | Original \u0026amp; new stock electronic components.\u003c\/p\u003e\u003cp\u003eContact us for pricing, availability and quotes.\u003c\/p\u003e","brand":"Littelfuse","offers":[{"title":"Default Title","offer_id":71213665059069,"sku":null,"price":0.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/6202\/8541\/files\/H35577ae61eaa47ee99b3ef4d138d9864n.webp?v=1788156420"},{"product_id":"0452003-mrl","title":"0452003.MRL SMD IC Chip New in Stock Electronic Components","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 0452003.MRL\u003c\/p\u003e\u003cp\u003e0452003.MRL SMD IC Chip New in Stock Electronic Components\u003c\/p\u003e\u003cp\u003eMOQ: 500 | Original \u0026amp; new stock electronic components.\u003c\/p\u003e\u003cp\u003eContact us for pricing, availability and quotes.\u003c\/p\u003e","brand":"Littelfuse","offers":[{"title":"Default Title","offer_id":71213752942845,"sku":null,"price":0.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/6202\/8541\/files\/H8ff020e602b6414d8ada905046edaf49D.webp?v=1788158167"},{"product_id":"0154005-dr","title":"0154005.DR SMD IC Chip New in Stock Electronic Components","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 0154005.DR\u003c\/p\u003e\u003cp\u003e0154005.DR SMD IC Chip New in Stock Electronic Components\u003c\/p\u003e\u003cp\u003eMOQ: 50 | Original \u0026amp; new stock electronic components.\u003c\/p\u003e\u003cp\u003eContact us for pricing, availability and quotes.\u003c\/p\u003e","brand":"Littelfuse","offers":[{"title":"Default Title","offer_id":71213799047421,"sku":null,"price":0.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0838\/6202\/8541\/files\/Hc2b52ad70570422795ced8d4bc82c7179.webp?v=1788159171"},{"product_id":"0443002-dr","title":"0443002.DR SMD Fuse New in Stock Electronic Components","description":"\u003cp\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 0443002.DR\u003c\/p\u003e\u003cp\u003e0443002.DR SMD Fuse New in Stock Electronic Components\u003c\/p\u003e\u003cp\u003eMOQ: 50 | Original \u0026amp; 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