BOURNS CRM2512-FX-4R30ELF Current Sense Resistor - SMD, 2W, 1% Tolerance, 4.3Ω
The Bourns CRM2512-FX-4R30ELF is a high-performance thick film power resistor designed for precise current sensing applications in power supply circuits. Manufactured by Bourns in Taiwan, this surface-mount device offers reliable performance with a robust 2-watt power rating and tight resistance tolerance.
For detailed specifications and technical data, click here.
Additional Information:
This resistor is suitable for current sensing and current limiting in power circuits, offering high reliability and stability across a wide temperature range. It features a zero-ohm jumper option rated for 6A.
Note: Datasheet was not processed please search the internet for the part number for more details.
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{"id":10022827262269,"title":"CRM2512-FX-4R30ELF","handle":"crm2512-fx-4r30elf","description":"\u003ch3\u003eBOURNS CRM2512-FX-4R30ELF Current Sense Resistor - SMD, 2W, 1% Tolerance, 4.3Ω\u003c\/h3\u003e\n\n\u003cp\u003eThe Bourns \u003cstrong\u003eCRM2512-FX-4R30ELF\u003c\/strong\u003e is a high-performance thick film power resistor designed for precise current sensing applications in power supply circuits. Manufactured by Bourns in Taiwan, this surface-mount device offers reliable performance with a robust 2-watt power rating and tight resistance tolerance.\u003c\/p\u003e\n\n\u003ch4\u003eProduct Features:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: CRM2512-FX-4R30ELF\u003c\/li\u003e\n \u003cli\u003eManufacturer: BOURNS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: TW (Taiwan)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eResistance: 4.3 ohms\u003c\/li\u003e\n \u003cli\u003eResistance Tolerance: ±1%\u003c\/li\u003e\n \u003cli\u003ePower Rating: 2 watts at 70°C\u003c\/li\u003e\n \u003cli\u003eResistance Range: 0.047Ω to 0.91Ω (E24 values)\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: ±100 PPM\/°C\u003c\/li\u003e\n \u003cli\u003eMaximum Operating Voltage: 300 V\u003c\/li\u003e\n \u003cli\u003eMaximum Overload Voltage: 600 V\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: \u0026gt;1000 MΩ\u003c\/li\u003e\n \u003cli\u003eMoisture Sensitivity Level: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eElectrical and Environmental Specifications:\u003c\/h4\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eCharacteristic\u003c\/th\u003e\n \u003cth\u003eModel CRM2512\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating @ 70°C\u003c\/td\u003e\n \u003ctd\u003e2 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to +155°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Working Voltage\u003c\/td\u003e\n \u003ctd\u003e300 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e0.047 - 0.91 Ω (E24 Values)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n \u003ctd\u003e±1%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient\u003c\/td\u003e\n \u003ctd\u003e±100 PPM\/°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003ePerformance \u0026amp; Reliability:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eLoad Life (1000 hours): Resistance change \u0026lt; 1% (±1% tolerance), \u0026lt; 3% (±5% tolerance)\u003c\/li\u003e\n \u003cli\u003eShort Term Overload: Resistance change \u0026lt; 1% (±1%), \u0026lt; 2% (±5%)\u003c\/li\u003e\n \u003cli\u003eThermal Shock: Resistance change \u0026lt; 0.5% (±1%), \u0026lt; 1% (±5%)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Dimensions \u0026amp; Packaging:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eSize: 3.1 ± 0.20 mm\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel (RoHS compliant, tin-plated)\u003c\/li\u003e\n \u003cli\u003eRecommended Solder Pad Layout: 3.7 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed specifications and technical data, \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/crm.pdf\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch4\u003eAdditional Information:\u003c\/h4\u003e\n\u003cp\u003eThis resistor is suitable for current sensing and current limiting in power circuits, offering high reliability and stability across a wide temperature range. It features a zero-ohm jumper option rated for 6A.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\n\n\u003c!-- Legal Disclaimer --\u003e\n\u003cp\u003eLegal Disclaimer: This product is subject to legal disclaimers as set forth at \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003ewww.bournes.com\/docs\/legal\/disclaimer.pdf\u003c\/a\u003e.\u003c\/p\u003e","published_at":"2025-08-13T14:27:42+05:30","created_at":"2025-08-13T14:27:43+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["BOURN","Current","IMPORT_CSV","Resistors","SMD","WLDM"],"price":3215,"price_min":3215,"price_max":3215,"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":50615220830525,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"CRM2512-FX-4R30ELF","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"CRM2512-FX-4R30ELF","public_title":null,"options":["Default Title"],"price":3215,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"CRM2512-FX-4R30ELF","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/CRM2512-FX-4R30ELF_45209304_fea92c21.jpg?v=1755075466"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CRM2512-FX-4R30ELF_45209304_fea92c21.jpg?v=1755075466","options":["Title"],"media":[{"alt":null,"id":45816960975165,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CRM2512-FX-4R30ELF_45209304_fea92c21.jpg?v=1755075466"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/CRM2512-FX-4R30ELF_45209304_fea92c21.jpg?v=1755075466","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBOURNS CRM2512-FX-4R30ELF Current Sense Resistor - SMD, 2W, 1% Tolerance, 4.3Ω\u003c\/h3\u003e\n\n\u003cp\u003eThe Bourns \u003cstrong\u003eCRM2512-FX-4R30ELF\u003c\/strong\u003e is a high-performance thick film power resistor designed for precise current sensing applications in power supply circuits. Manufactured by Bourns in Taiwan, this surface-mount device offers reliable performance with a robust 2-watt power rating and tight resistance tolerance.\u003c\/p\u003e\n\n\u003ch4\u003eProduct Features:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: CRM2512-FX-4R30ELF\u003c\/li\u003e\n \u003cli\u003eManufacturer: BOURNS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: TW (Taiwan)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eResistance: 4.3 ohms\u003c\/li\u003e\n \u003cli\u003eResistance Tolerance: ±1%\u003c\/li\u003e\n \u003cli\u003ePower Rating: 2 watts at 70°C\u003c\/li\u003e\n \u003cli\u003eResistance Range: 0.047Ω to 0.91Ω (E24 values)\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: ±100 PPM\/°C\u003c\/li\u003e\n \u003cli\u003eMaximum Operating Voltage: 300 V\u003c\/li\u003e\n \u003cli\u003eMaximum Overload Voltage: 600 V\u003c\/li\u003e\n \u003cli\u003eInsulation Resistance: \u0026gt;1000 MΩ\u003c\/li\u003e\n \u003cli\u003eMoisture Sensitivity Level: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eElectrical and Environmental Specifications:\u003c\/h4\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eCharacteristic\u003c\/th\u003e\n \u003cth\u003eModel CRM2512\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating @ 70°C\u003c\/td\u003e\n \u003ctd\u003e2 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to +155°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Working Voltage\u003c\/td\u003e\n \u003ctd\u003e300 V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e0.047 - 0.91 Ω (E24 Values)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n \u003ctd\u003e±1%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient\u003c\/td\u003e\n \u003ctd\u003e±100 PPM\/°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003ePerformance \u0026amp; Reliability:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eLoad Life (1000 hours): Resistance change \u0026lt; 1% (±1% tolerance), \u0026lt; 3% (±5% tolerance)\u003c\/li\u003e\n \u003cli\u003eShort Term Overload: Resistance change \u0026lt; 1% (±1%), \u0026lt; 2% (±5%)\u003c\/li\u003e\n \u003cli\u003eThermal Shock: Resistance change \u0026lt; 0.5% (±1%), \u0026lt; 1% (±5%)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Dimensions \u0026amp; Packaging:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eSize: 3.1 ± 0.20 mm\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel (RoHS compliant, tin-plated)\u003c\/li\u003e\n \u003cli\u003eRecommended Solder Pad Layout: 3.7 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed specifications and technical data, \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-bo\/crm.pdf\" target=\"_blank\"\u003eclick here\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch4\u003eAdditional Information:\u003c\/h4\u003e\n\u003cp\u003eThis resistor is suitable for current sensing and current limiting in power circuits, offering high reliability and stability across a wide temperature range. It features a zero-ohm jumper option rated for 6A.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\n\n\u003c!-- Legal Disclaimer --\u003e\n\u003cp\u003eLegal Disclaimer: This product is subject to legal disclaimers as set forth at \u003ca href=\"https:\/\/www.bourns.com\/docs\/legal\/disclaimer.pdf\" target=\"_blank\"\u003ewww.bournes.com\/docs\/legal\/disclaimer.pdf\u003c\/a\u003e.\u003c\/p\u003e"}
