BOURNS MF-SM250-2 Resettable Fuses - PPTC 15V 2.5A-HD 40A MAX
Ensure reliable circuit protection with the BOURNS MF-SM250-2, a high-quality PPTC resettable fuse designed for low voltage power supply applications. Manufactured in China, this device offers excellent overcurrent protection with reusability and durability.
Storage conditions: Max 40°C and 70% RH, in original sealed packaging
For more detailed specifications, visit the datasheet.
Legal Disclaimers: Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. For legal disclaimers, visit disclaimer page.
{"id":10021228249405,"title":"MF-SM250-2","handle":"mf-sm250-2","description":"\u003ch3\u003eBOURNS MF-SM250-2 Resettable Fuses - PPTC 15V 2.5A-HD 40A MAX\u003c\/h3\u003e\n\u003cp\u003eEnsure reliable circuit protection with the BOURNS MF-SM250-2, a high-quality PPTC resettable fuse designed for low voltage power supply applications. Manufactured in China, this device offers excellent overcurrent protection with reusability and durability.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MF-SM250-2\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BOURNS\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Reel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfsm.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResettable PPTC fuse with a maximum voltage of 15V and current rating of 2.5A\u003c\/li\u003e\n \u003cli\u003eMaximum trip current: 40A, with a maximum resistance of 0.085 Ohms at 23°C\u003c\/li\u003e\n \u003cli\u003eHigh current trip capacity up to 40A with a maximum power dissipation of 1.9W\u003c\/li\u003e\n \u003cli\u003eOperating temperature range from -40°C to +85°C\u003c\/li\u003e\n \u003cli\u003eSurface temperature in tripped state up to 125°C\u003c\/li\u003e\n \u003cli\u003eDesigned for circuit protection in electronics, computers, peripherals, and automotive applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eV max. Volts\u003c\/th\u003e\n \u003cth\u003eI max Amps\u003c\/th\u003e\n \u003cth\u003eIhold (A)\u003c\/th\u003e\n \u003cth\u003eItrip (A)\u003c\/th\u003e\n \u003cth\u003eResistance (Ω)\u003c\/th\u003e\n \u003cth\u003eMax. Time To Trip (Seconds)\u003c\/th\u003e\n \u003cth\u003eTripped Power Dissipation (W)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMF-SM250\u003c\/td\u003e\n \u003ctd\u003e15\u003c\/td\u003e\n \u003ctd\u003e100\u003c\/td\u003e\n \u003ctd\u003e2.50\u003c\/td\u003e\n \u003ctd\u003e5.00\u003c\/td\u003e\n \u003ctd\u003e0.024\u003c\/td\u003e\n \u003ctd\u003e8.0\u003c\/td\u003e\n \u003ctd\u003e1.9\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Testing Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating temperature: -40°C to +85°C\u003c\/li\u003e\n \u003cli\u003eMaximum device surface temperature in tripped state: 125°C\u003c\/li\u003e\n \u003cli\u003eResistance change after 1000 hours at +85°C: ±5%\u003c\/li\u003e\n \u003cli\u003eHumidity aging (85°C, 85% R.H., 7 days): ±5%\u003c\/li\u003e\n \u003cli\u003eThermal shock (MIL-STD-202F): ±10%\u003c\/li\u003e\n \u003cli\u003eVibration (MIL-STD-883C): Rmin ≤ R ≤ R1max\u003c\/li\u003e\n \u003cli\u003eMoisture sensitivity level: Level 1\u003c\/li\u003e\n \u003cli\u003eESD classification: Class 6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eReel packaging: 1500 pcs per reel\u003c\/li\u003e\n \u003cli\u003eRecommended reflow soldering temperature: 160–220°C\u003c\/li\u003e\n \u003cli\u003eStorage conditions: Max 40°C and 70% RH, in original sealed packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications, visit the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfsm.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLegal Disclaimers:\u003c\/strong\u003e Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. For legal disclaimers, visit \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003edisclaimer page\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2025-08-12T13:27:04+05:30","created_at":"2025-08-12T13:27:04+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["15V","40A","5A","BOURN","Circuit","IMPORT_CSV","PPTC","WLDM"],"price":2994,"price_min":2994,"price_max":2994,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50611916603709,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MF-SM250-2","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MF-SM250-2","public_title":null,"options":["Default Title"],"price":2994,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MF-SM250-2","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-SM250-2_10752175_b3d7c5ab.jpg?v=1754985427"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-SM250-2_10752175_b3d7c5ab.jpg?v=1754985427","options":["Title"],"media":[{"alt":null,"id":45799815643453,"position":1,"preview_image":{"aspect_ratio":1.47,"height":200,"width":294,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-SM250-2_10752175_b3d7c5ab.jpg?v=1754985427"},"aspect_ratio":1.47,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-SM250-2_10752175_b3d7c5ab.jpg?v=1754985427","width":294}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBOURNS MF-SM250-2 Resettable Fuses - PPTC 15V 2.5A-HD 40A MAX\u003c\/h3\u003e\n\u003cp\u003eEnsure reliable circuit protection with the BOURNS MF-SM250-2, a high-quality PPTC resettable fuse designed for low voltage power supply applications. Manufactured in China, this device offers excellent overcurrent protection with reusability and durability.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MF-SM250-2\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BOURNS\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (EA)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Reel\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfsm.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResettable PPTC fuse with a maximum voltage of 15V and current rating of 2.5A\u003c\/li\u003e\n \u003cli\u003eMaximum trip current: 40A, with a maximum resistance of 0.085 Ohms at 23°C\u003c\/li\u003e\n \u003cli\u003eHigh current trip capacity up to 40A with a maximum power dissipation of 1.9W\u003c\/li\u003e\n \u003cli\u003eOperating temperature range from -40°C to +85°C\u003c\/li\u003e\n \u003cli\u003eSurface temperature in tripped state up to 125°C\u003c\/li\u003e\n \u003cli\u003eDesigned for circuit protection in electronics, computers, peripherals, and automotive applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eV max. Volts\u003c\/th\u003e\n \u003cth\u003eI max Amps\u003c\/th\u003e\n \u003cth\u003eIhold (A)\u003c\/th\u003e\n \u003cth\u003eItrip (A)\u003c\/th\u003e\n \u003cth\u003eResistance (Ω)\u003c\/th\u003e\n \u003cth\u003eMax. Time To Trip (Seconds)\u003c\/th\u003e\n \u003cth\u003eTripped Power Dissipation (W)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMF-SM250\u003c\/td\u003e\n \u003ctd\u003e15\u003c\/td\u003e\n \u003ctd\u003e100\u003c\/td\u003e\n \u003ctd\u003e2.50\u003c\/td\u003e\n \u003ctd\u003e5.00\u003c\/td\u003e\n \u003ctd\u003e0.024\u003c\/td\u003e\n \u003ctd\u003e8.0\u003c\/td\u003e\n \u003ctd\u003e1.9\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Testing Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOperating temperature: -40°C to +85°C\u003c\/li\u003e\n \u003cli\u003eMaximum device surface temperature in tripped state: 125°C\u003c\/li\u003e\n \u003cli\u003eResistance change after 1000 hours at +85°C: ±5%\u003c\/li\u003e\n \u003cli\u003eHumidity aging (85°C, 85% R.H., 7 days): ±5%\u003c\/li\u003e\n \u003cli\u003eThermal shock (MIL-STD-202F): ±10%\u003c\/li\u003e\n \u003cli\u003eVibration (MIL-STD-883C): Rmin ≤ R ≤ R1max\u003c\/li\u003e\n \u003cli\u003eMoisture sensitivity level: Level 1\u003c\/li\u003e\n \u003cli\u003eESD classification: Class 6\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eReel packaging: 1500 pcs per reel\u003c\/li\u003e\n \u003cli\u003eRecommended reflow soldering temperature: 160–220°C\u003c\/li\u003e\n \u003cli\u003eStorage conditions: Max 40°C and 70% RH, in original sealed packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications, visit the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfsm.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLegal Disclaimers:\u003c\/strong\u003e Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. For legal disclaimers, visit \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003edisclaimer page\u003c\/a\u003e.\u003c\/p\u003e"}
