{"product_id":"2512-smd-alloy-resistor-kit-10-values-r001-r100-50pcs","title":"50PCS 2512 SMD Alloy Resistor Kit 10 Values R001-R100 1mΩ-100mΩ Current Sense Sampling Resistors","description":"\u003ch1\u003e50PCS 2512 SMD Alloy Resistor Kit – 10 Values R001 to R100, Current Sense Sampling Resistors\u003c\/h1\u003e\n\u003cp\u003eThis \u003cstrong\u003e2512 SMD alloy resistor assortment kit\u003c\/strong\u003e contains 50 pieces across 10 resistance values from 1mΩ to 100mΩ (R001–R100). Built with metal alloy elements for low TCR and high surge capability, these are current-sense and precision sampling resistors for PCB repair, prototyping, and BOM validation.\u003c\/p\u003e\n\u003ch2\u003ePacking List (50PCS Total)\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eResistance\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003cth\u003eTypical Use\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR001\u003c\/td\u003e\n\u003ctd\u003e1 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eHigh-current sensing, busbar shunt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR002\u003c\/td\u003e\n\u003ctd\u003e2 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eMotor phase current, battery monitoring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR005\u003c\/td\u003e\n\u003ctd\u003e5 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003ePower supply current feedback\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR008\u003c\/td\u003e\n\u003ctd\u003e8 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eLoad current sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR010\u003c\/td\u003e\n\u003ctd\u003e10 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eGeneral current sense, amplifier shunt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR015\u003c\/td\u003e\n\u003ctd\u003e15 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eCurrent limit, fuse alternative\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR020\u003c\/td\u003e\n\u003ctd\u003e20 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eCurrent feedback, gain setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR025\u003c\/td\u003e\n\u003ctd\u003e25 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eCurrent sense, current loop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR050\u003c\/td\u003e\n\u003ctd\u003e50 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003eLow-power current sensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eR100\u003c\/td\u003e\n\u003ctd\u003e100 mΩ ±1%\u003c\/td\u003e\n\u003ctd\u003e5 pcs\u003c\/td\u003e\n\u003ctd\u003ePrecision shunt, amplifier input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eTotal: 10 values × 5 pcs = 50 pcs.\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage:\u003c\/strong\u003e 2512 (6332 metric) SMD — 6.3 × 3.2 mm footprint\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTechnology:\u003c\/strong\u003e Metal alloy element (not thick film) — low TCR, high stability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResistance Range:\u003c\/strong\u003e 1 mΩ to 100 mΩ (0.001Ω–0.1Ω)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTolerance:\u003c\/strong\u003e ±1% (typical for alloy shunt resistors)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e 1W–2W (varies by value and pad design; verify for your layout)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Coefficient:\u003c\/strong\u003e Low TCR alloy — typically ±50 to ±100 ppm\/°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTermination:\u003c\/strong\u003e Solderable end caps, compatible with reflow and hand soldering\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRoHS Compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Alloy Resistors?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow TCR:\u003c\/strong\u003e Resistance stays stable across temperature swings — critical for current-sense accuracy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Surge Capability:\u003c\/strong\u003e Alloy elements handle current spikes better than thick-film alternatives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Inductance:\u003c\/strong\u003e Suitable for switching-frequency current sensing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong-Term Stability:\u003c\/strong\u003e Minimal drift under continuous load.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTypical Applications\u003c\/h2\u003e\n\u003ch3\u003eCurrent Sensing\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSwitching power supply current feedback loops\u003c\/li\u003e\n\u003cli\u003eMotor driver phase-current sensing\u003c\/li\u003e\n\u003cli\u003eBattery management system (BMS) current monitoring\u003c\/li\u003e\n\u003cli\u003eLED driver current regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePrecision \u0026amp; Sampling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAmplifier gain\/feedback networks\u003c\/li\u003e\n\u003cli\u003eCurrent-to-voltage conversion (shunt + op-amp)\u003c\/li\u003e\n\u003cli\u003eTest equipment calibration references\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePCB Repair \u0026amp; Prototyping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReplacing blown SMD shunt resistors on motherboards, GPU cards, laptop boards\u003c\/li\u003e\n\u003cli\u003eRapid BOM validation without ordering full reels\u003c\/li\u003e\n\u003cli\u003eWorkshop bench stock for electronics technicians\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eHandling \u0026amp; Installation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2512 SMD — compatible with standard reflow profiles and hot-air rework.\u003c\/li\u003e\n\u003cli\u003eHand soldering: use fine tip, avoid excessive dwell time to prevent pad lift.\u003c\/li\u003e\n\u003cli\u003eObserve power derating at elevated ambient temperature — check manufacturer curves.\u003c\/li\u003e\n\u003cli\u003eLow-ohm values (R001–R010): use 4-wire Kelvin measurement for accurate resistance verification.\u003c\/li\u003e\n\u003cli\u003eStore in anti-static packaging; avoid mechanical stress on terminations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWhy Buy This Kit?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCovers the most common current-sense values in one package.\u003c\/li\u003e\n\u003cli\u003eAlloy construction outperforms standard thick-film at low resistance.\u003c\/li\u003e\n\u003cli\u003e50 pcs total — enough for multiple repairs or prototype iterations.\u003c\/li\u003e\n\u003cli\u003eCost-effective alternative to buying full reels of each value.\u003c\/li\u003e\n\u003cli\u003eFactory-tested, RoHS compliant.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"DIYMars","offers":[{"title":"Default Title","offer_id":53296722575671,"sku":"2512ARKIT","price":5.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0894\/5562\/4503\/files\/57_b4455704-5b48-422f-80d4-3aa021ad653d.jpg?v=1791971402","url":"https:\/\/www.diymars.com\/products\/2512-smd-alloy-resistor-kit-10-values-r001-r100-50pcs","provider":"DIYMars","version":"1.0","type":"link"}