{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"0603SFV250F/32-2","brand":"Littelfuse Inc.","brandSlug":"littelfuse-inc","productSlug":"0603SFV250F-32-2","canonicalUrl":"https://icboms.com/littelfuse-inc/0603SFV250F-32-2","factsUrl":"https://icboms.com/api/mcp/products/0603SFV250F%2F32-2","rawCanonicalId":null},"summary":{"shortDescription":"Littelfuse SFV Series, Board Mount Fuse, Fast Blow, 2.5 A, 32 VDC, 35 A Breaking Capacity, 0603 (1608 Metric), Surface Mount, Tape & Reel.","salesMarkdown":"## What the ratings mean for your board The Littelfuse 0603SFV250F/32-2 is a 2.5 A fast-blow fuse in the SFV series, rated for 32 VDC with a 35 A breaking capacity at that voltage. The 35 A interrupt rating means it can safely clear a fault current up to that level without arcing or casing rupture — critical for protecting downstream silicon in a 24 V rail where the available fault current from a bulk cap bank can easily exceed 20 A. The 0.3 melting I²t figure tells you the thermal energy needed to open the element. For a 2.5 A fast-blow fuse, that's low enough to respond quickly to a short without nuisance opening from inrush in most logic-level circuits — but if your load has a capacitive input filter that draws a 5 A surge for 1 ms, you'll want to check the I²t margin against the surge waveform. ## Package and temperature profile The 0.046 Ohm DC cold resistance is low enough that at 2.5 A the voltage drop is roughly 115 mV — negligible for a 24 V rail, but worth a line-loss check if you're running a 3.3 V supply where every millivolt counts. ## Lifecycle reality and sourcing Availability and pricing are confirmed at RFQ — each lot is traceable and inspected before shipment.","metaTitle":"0603SFV250F/32-2 Littelfuse SFV Fuse, 2.5A, 32V, Fast Blow","metaDescription":"Littelfuse 0603SFV250F/32-2 SFV series fast-blow fuse, 2.5 A at 32 VDC, 35 A breaking capacity. Obsolete — sourced to order. UL recognized.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Circuit Protection"],"specifications":{"Mfr":"Littelfuse Inc.","Color":"-","Series":"SFV","Package":"Tape & Reel (TR) Cut Tape (CT)","Fuse Type":"Board Mount (Cartridge Style Excluded)","Melting I²t":"0.3","Mounting Type":"Surface Mount","Response Time":"Fast Blow","Package / Case":"0603 (1608 Metric)","Product Status":"Obsolete","Approval Agency":"UL","lifecycle_stage":"unknown","Size / Dimension":"0.063\\\" L x 0.031\\\" W x 0.014\\\" H (1.60mm x 0.80mm x 0.35mm)","DC Cold Resistance":"0.046 Ohms","Voltage Rating - DC":"32 V","Current Rating (Amps)":"2.5 A","Operating Temperature":"-55°C ~ 125°C","Breaking Capacity @ Rated Voltage":"35A"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.3601","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/04bd98ad2cdad65c16cf9b80561f8e01.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the breaking capacity of this fuse?","answer":"The 0603SFV250F/32-2 has a breaking capacity of 35 A at its rated 32 VDC. This means it can safely interrupt a fault current up to 35 A without damage or risk of fire, which is adequate for most low-voltage DC rails in industrial and consumer electronics."},{"question":"What compliance documentation does Littelfuse provide for this part?","answer":"The fuse carries UL recognition as an approval agency. Standard RoHS and REACH compliance documentation is typically available from Littelfuse for the SFV series."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/littelfuse-inc/0603SFV250F-32-2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/littelfuse-inc/0603SFV250F-32-2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}