# 0451015.MRL (Component) ## Description Fast-Acting Surface-Mount Fuse – 15 A fast-acting surface-mount fuse for overcurrent protection in power supplies, DC-DC converters, automotive electronics, industrial equipment, battery-powered devices, and embedded systems. Features a 32 VDC voltage rating, 15 A current rating, and a 300 A interrupt rating at rated voltage, providing rapid protection against overloads and short circuits. Part of the Littelfuse NANO²® 451 Series, it offers low cold resistance (5.1 mΩ typical), 97.8 A²s melting I²t, fast-blow response, and is AEC-Q200 qualified for automotive applications. Designed in a compact 1206 (3216 Metric) surface-mount package, it operates over a −55°C to +125°C temperature range and carries UL and CSA safety approvals. #Littelfuse #0451015MRL #NANO2451 #SurfaceMountFuse #FastActingFuse #CircuitProtection #OvercurrentProtection #SMDFuse #AECQ200 #PowerManagement #1206 #EmbeddedSystems ## Component Details - **Owner:** silicon-yard - **Created:** 7/26/2026 - **Last Updated:** 7/26/2026 - **Visibility:** Public - **Manufacturer Part Number:** 0451015.MRL - **Part Type:** Circuit Protection Devices - **Mount:** Surface Mount - **Manufacturer Name:** Littelfuse - **Datasheet URL:** http://www.littelfuse.com//media/electronics/datasheets/fuses/littelfuse_fuse_451_453_datasheet.pdf.pdf - **Used in:** 5 projects ## Distributor Pricing (qty 1) *Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.* | Distributor | Unit Price (qty 1) | Stock | |------------|--------------------|-------| | [Arrow](https://www.arrow.com/en/products/0451015-mrl/littelfuse.html?utm_currency=USD&region=nac) | $0.8235 | 78 | | [LCSC](https://www.lcsc.com/product-detail/C44480.html) | N/A | N/A | | [Mouser](https://www.mouser.com/en/ProductDetail/Littelfuse/0451015.MRL?qs=bpnLQM2ZShzZ87Rm5CvzLA%3D%3D) | $2.55 | 30K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=0451015.MRL) | $2.72 | 1K | | [Verical](https://www.verical.com/pd/littelfuse-fuses-0451015-MRL-67866?utm_currency=USD) | N/A | N/A | - **Part Type:** Circuit Protection Devices - **Manufacturer:** Littelfuse - **MPN:** 0451015.MRL - **Mount Type:** Surface Mount - **Package / Case Code:** TO - **Pin Count:** 2 - **Compliance:** AEC-Q200 ## Pins | Pin | Name | Type | |-----|------|------| | 1 | 1 | | | 2 | 2 | | --- *Generated from [https://www.flux.ai/silicon-yard/0451015pmrl](https://www.flux.ai/silicon-yard/0451015pmrl)*