Littelfuse BLF has 1 recorded cross-reference match across 1 manufacturer. Research equivalent, alternate or similar parts using the listed candidates, and check their source notes before selecting a replacement.
Series reference — complete ordering code required. These entries identify product families. Match the complete ordering code, electrical ratings, dimensions and operating conditions using current datasheets before choosing a product.
1Direct crosses
02nd-degree candidates · Unverified
1alternate manufacturers
1reference sources
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BLF series references
Recorded alternatives for this lookup direction. Each source may carry conditions or differences.
AutomationDirect manufacturer-column comparison, PDF page 6, table 2, row 18. Section: Supplemental Fuses; source class/type: Midget; operating style: Fast-Acting; printed voltage: 250 V. Ampere ratings must be added for ordering, as stated in the chart. Original manufacturer-series labels retained without generating amperage variants. Published selection reference, not a drop-in qualification. Verify exact current and AC/DC voltage ratings, fuse class, interrupt rating, time-current curve, let-through/I²t, coordination, dimensions, mounting and approvals against current manufacturer documents. Series-level references are excluded from second-degree inference.
Find additional research candidates through a shared connecting part. Each result is labeled Second-degree candidate · Unverified and shows both recorded source relationships.
Two recorded crosses do not establish a verified equivalent. Compare current specifications, interfaces, ratings, cable requirements and the same PCB footprint or panel fit before substitution. Candidate counts are separate from direct-cross and part totals.
BLF series comparison
These series references are starting points for comparing product families. Select and verify the complete ordering code.
A recorded cross reference does not establish a drop-in replacement. Compare current datasheets, package or mounting dimensions, pinout, electrical ratings and operating conditions for your application. Similar parts can differ in critical specifications.
Counts describe recorded relationships, not stock, sales, testing or independent qualification. Manufacturer-and-part identities remain separate. Indexing dates do not establish current specifications or availability.
Check current manufacturer documents and electrical, mechanical, environmental and application requirements before selecting a replacement.