Ensure reliable circuit protection with the BOURNS MF-R500, a high-quality PPTC resettable fuse designed for applications requiring robust overcurrent protection. Manufactured in China, this device offers a maximum voltage of 30V and a rated current of 5.0A, making it suitable for various electronic systems.
Dimensions and package options available, including bulk, tape and reel, and Ammo-Pak
Lead diameter: 0.51 mm (24 AWG)
Material: Sn/NiCu
For detailed specifications, testing procedures, and compliance information, please refer to the datasheet linked above. Users should verify actual device performance in their specific applications. Download Datasheet.
Disclaimers: Specifications are subject to change without notice. Users should verify device performance in their specific applications. For legal disclaimers, visit www.bourns.com/legal/disclaimer.pdf.
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{"id":10022695797053,"title":"MF-R500","handle":"mf-r500","description":"\u003ch3\u003eBOURNS MF-R500 Resettable Fuses - Circuit Protection\u003c\/h3\u003e\n\u003cp\u003eEnsure reliable circuit protection with the BOURNS MF-R500, a high-quality PPTC resettable fuse designed for applications requiring robust overcurrent protection. Manufactured in China, this device offers a maximum voltage of 30V and a rated current of 5.0A, making it suitable for various electronic systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MF-R500\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 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 BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Circuit Protection | PPTC Resettable Fuses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfr.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 rated for 30V and 5.0A continuous current\u003c\/li\u003e\n\u003cli\u003eMaximum trip current: 10A, with a maximum trip time of approximately 25 seconds at 23°C\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eMaximum device surface temperature in tripped state: 125°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, halogen-free as per industry standards\u003c\/li\u003e\n\u003cli\u003ePassive aging and humidity aging resistance with minimal resistance change (±5%)\u003c\/li\u003e\n\u003cli\u003eVibration and thermal shock resistance per MIL-STD standards\u003c\/li\u003e\n\u003cli\u003eSuitable for bulk packaging, tape and reel, and Ammo-Pak options\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\u003c\/th\u003e\n\u003cth\u003eItrip\u003c\/th\u003e\n\u003cth\u003eInitial Resistance (Ω)\u003c\/th\u003e\n\u003cth\u003ePost-Trip Resistance (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-R500\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003ctd\u003e10.00\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003ctd\u003e0.05\u003c\/td\u003e\n\u003ctd\u003e25.0\u003c\/td\u003e\n\u003ctd\u003e3.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Testing Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating\/storage 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\u003ePassive aging and humidity aging: ±5% resistance change over 1000 hours at +85°C, 85% R.H.\u003c\/li\u003e\n\u003cli\u003eThermal shock and vibration resistance: No change per MIL-STD-202 and MIL-STD-883C\u003c\/li\u003e\n\u003cli\u003eMoisture sensitivity level: 1\u003c\/li\u003e\n\u003cli\u003eUL File Number: \u003ca href=\"http:\/\/database.ul.com\/cgi-bin\/XYV\/template\/LISEXT\/1FRAME\/showpage.html?name=XGPU2.E174545\" target=\"_blank\"\u003eE174545\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions and package options available, including bulk, tape and reel, and Ammo-Pak\u003c\/li\u003e\n\u003cli\u003eLead diameter: 0.51 mm (24 AWG)\u003c\/li\u003e\n\u003cli\u003eMaterial: Sn\/NiCu\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed specifications, testing procedures, and compliance information, please refer to the datasheet linked above. Users should verify actual device performance in their specific applications. \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimers:\u003c\/strong\u003e Specifications are subject to change without notice. Users should verify device performance in their specific applications. For legal disclaimers, visit \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003ewww.bourns.com\/legal\/disclaimer.pdf\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2025-08-13T12:17:28+05:30","created_at":"2025-08-13T12:17:28+05:30","vendor":"Waldom Electonics","type":"Circuit Protection","tags":["0A","30V","40A","BOURN","Circuit","IMPORT_CSV","PPTC","WLDM"],"price":4047,"price_min":4047,"price_max":4047,"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":50614958457149,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MF-R500","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"MF-R500","public_title":null,"options":["Default Title"],"price":4047,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"MF-R500","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-R500_10751895_db1ebc34.jpg?v=1755067652"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-R500_10751895_db1ebc34.jpg?v=1755067652","options":["Title"],"media":[{"alt":null,"id":45815500472637,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-R500_10751895_db1ebc34.jpg?v=1755067652"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/MF-R500_10751895_db1ebc34.jpg?v=1755067652","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBOURNS MF-R500 Resettable Fuses - Circuit Protection\u003c\/h3\u003e\n\u003cp\u003eEnsure reliable circuit protection with the BOURNS MF-R500, a high-quality PPTC resettable fuse designed for applications requiring robust overcurrent protection. Manufactured in China, this device offers a maximum voltage of 30V and a rated current of 5.0A, making it suitable for various electronic systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e MF-R500\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 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 BLK\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Circuit Protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Circuit Protection | PPTC Resettable Fuses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfr.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 rated for 30V and 5.0A continuous current\u003c\/li\u003e\n\u003cli\u003eMaximum trip current: 10A, with a maximum trip time of approximately 25 seconds at 23°C\u003c\/li\u003e\n\u003cli\u003eOperating temperature range: -40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eMaximum device surface temperature in tripped state: 125°C\u003c\/li\u003e\n\u003cli\u003eRoHS compliant, halogen-free as per industry standards\u003c\/li\u003e\n\u003cli\u003ePassive aging and humidity aging resistance with minimal resistance change (±5%)\u003c\/li\u003e\n\u003cli\u003eVibration and thermal shock resistance per MIL-STD standards\u003c\/li\u003e\n\u003cli\u003eSuitable for bulk packaging, tape and reel, and Ammo-Pak options\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\u003c\/th\u003e\n\u003cth\u003eItrip\u003c\/th\u003e\n\u003cth\u003eInitial Resistance (Ω)\u003c\/th\u003e\n\u003cth\u003ePost-Trip Resistance (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-R500\u003c\/td\u003e\n\u003ctd\u003e30\u003c\/td\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003ctd\u003e10.00\u003c\/td\u003e\n\u003ctd\u003e0.03\u003c\/td\u003e\n\u003ctd\u003e0.05\u003c\/td\u003e\n\u003ctd\u003e25.0\u003c\/td\u003e\n\u003ctd\u003e3.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental and Testing Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOperating\/storage 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\u003ePassive aging and humidity aging: ±5% resistance change over 1000 hours at +85°C, 85% R.H.\u003c\/li\u003e\n\u003cli\u003eThermal shock and vibration resistance: No change per MIL-STD-202 and MIL-STD-883C\u003c\/li\u003e\n\u003cli\u003eMoisture sensitivity level: 1\u003c\/li\u003e\n\u003cli\u003eUL File Number: \u003ca href=\"http:\/\/database.ul.com\/cgi-bin\/XYV\/template\/LISEXT\/1FRAME\/showpage.html?name=XGPU2.E174545\" target=\"_blank\"\u003eE174545\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions and package options available, including bulk, tape and reel, and Ammo-Pak\u003c\/li\u003e\n\u003cli\u003eLead diameter: 0.51 mm (24 AWG)\u003c\/li\u003e\n\u003cli\u003eMaterial: Sn\/NiCu\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed specifications, testing procedures, and compliance information, please refer to the datasheet linked above. Users should verify actual device performance in their specific applications. \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/mfr.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimers:\u003c\/strong\u003e Specifications are subject to change without notice. Users should verify device performance in their specific applications. For legal disclaimers, visit \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003ewww.bourns.com\/legal\/disclaimer.pdf\u003c\/a\u003e.\u003c\/p\u003e"}
