Introducing the WALSIN WF04U4991BTL, a high-precision thick film SMD resistor designed for demanding electronic applications. Manufactured in China, this resistor offers exceptional stability and reliability, making it suitable for medical equipment and other precision electronic devices.
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{"id":10024586707261,"title":"WF04U4991BTL","handle":"wf04u4991btl","description":"\u003ch3\u003eWALSIN WF04U4991BTL Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WALSIN WF04U4991BTL, a high-precision thick film SMD resistor designed for demanding electronic applications. Manufactured in China, this resistor offers exceptional stability and reliability, making it suitable for medical equipment and other precision electronic devices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WF04U4991BTL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e WALSIN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Resistors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Resistors | Thick Film Resistors - SMD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TAPE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\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\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4991btl.pdf\" target=\"_blank\"\u003eWF04U4991BTL Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSMD metal film resistor for high reliability and stability\u003c\/li\u003e\n\u003cli\u003eResistance value: 4.99kΩ with 0.1% tolerance\u003c\/li\u003e\n\u003cli\u003ePower rating: 1\/16W (0.0625W)\u003c\/li\u003e\n\u003cli\u003eLow temperature coefficient of resistance (TCR): 50 \u0026amp; 25 ppm\/°C and below\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and lead-free for environmentally conscious applications\u003c\/li\u003e\n\u003cli\u003eSuitable for medical equipment and precision electronic circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003e4.99kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTolerance\u003c\/td\u003e\n\u003ctd\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation at 70°C\u003c\/td\u003e\n\u003ctd\u003e1\/16W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverload Voltage\u003c\/td\u003e\n\u003ctd\u003e100V\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\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eTAPE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (L)\u003c\/td\u003e\n\u003ctd\u003e1.00 ± 0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth (W)\u003c\/td\u003e\n\u003ctd\u003e0.50 ± 0.05 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight (A)\u003c\/td\u003e\n\u003ctd\u003e0.30 ± 0.03 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e0.30 ± 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT\u003c\/td\u003e\n\u003ctd\u003e0.23 ± 0.03 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4991btl.pdf\" target=\"_blank\"\u003eWF04U4991BTL Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T08:30:13+05:30","created_at":"2025-08-14T08:30:13+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["16W","IMPORT_CSV","RES","Resistors","Smd","WALSI-X","WLDM"],"price":231,"price_min":231,"price_max":231,"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":50618654884157,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WF04U4991BTL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WF04U4991BTL","public_title":null,"options":["Default Title"],"price":231,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WF04U4991BTL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/56111686.jpg?v=1755140415"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/56111686.jpg?v=1755140415","options":["Title"],"media":[{"alt":null,"id":45830297223485,"position":1,"preview_image":{"aspect_ratio":1.0,"height":420,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/56111686.jpg?v=1755140415"},"aspect_ratio":1.0,"height":420,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/56111686.jpg?v=1755140415","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWALSIN WF04U4991BTL Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WALSIN WF04U4991BTL, a high-precision thick film SMD resistor designed for demanding electronic applications. Manufactured in China, this resistor offers exceptional stability and reliability, making it suitable for medical equipment and other precision electronic devices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e WF04U4991BTL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e WALSIN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Resistors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Resistors | Thick Film Resistors - SMD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TAPE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUOM:\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\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4991btl.pdf\" target=\"_blank\"\u003eWF04U4991BTL Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSMD metal film resistor for high reliability and stability\u003c\/li\u003e\n\u003cli\u003eResistance value: 4.99kΩ with 0.1% tolerance\u003c\/li\u003e\n\u003cli\u003ePower rating: 1\/16W (0.0625W)\u003c\/li\u003e\n\u003cli\u003eLow temperature coefficient of resistance (TCR): 50 \u0026amp; 25 ppm\/°C and below\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and lead-free for environmentally conscious applications\u003c\/li\u003e\n\u003cli\u003eSuitable for medical equipment and precision electronic circuits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance\u003c\/td\u003e\n\u003ctd\u003e4.99kΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTolerance\u003c\/td\u003e\n\u003ctd\u003e0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation at 70°C\u003c\/td\u003e\n\u003ctd\u003e1\/16W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverload Voltage\u003c\/td\u003e\n\u003ctd\u003e100V\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\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eTAPE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eDimension\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength (L)\u003c\/td\u003e\n\u003ctd\u003e1.00 ± 0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth (W)\u003c\/td\u003e\n\u003ctd\u003e0.50 ± 0.05 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight (A)\u003c\/td\u003e\n\u003ctd\u003e0.30 ± 0.03 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eB\u003c\/td\u003e\n\u003ctd\u003e0.30 ± 0.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT\u003c\/td\u003e\n\u003ctd\u003e0.23 ± 0.03 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical data and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4991btl.pdf\" target=\"_blank\"\u003eWF04U4991BTL Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
