Introducing the WALSIN WF08U2491BTL, a high-performance surface-mount resistor designed for precision applications. Manufactured in China, this fixed thin film resistor offers exceptional stability and reliability for demanding electronic circuits.
Product Features
SMD metal film resistor for enhanced durability and performance
High reliability with resistance tolerance as low as ±0.1%
Excellent temperature coefficient of resistance (TCR): 50 & 25 ppm/°C (customer request)
Low current noise suitable for sensitive electronic applications
RoHS compliant and lead-free for environmentally conscious manufacturing
Note: The datasheet was not processed; please search the internet for the part number for more details.
Note: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.
{"id":10005038170429,"title":"WF08U2491BTL","handle":"wf08u2491btl","description":"\u003ch3\u003eWALSIN WF08U2491BTL Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WALSIN WF08U2491BTL, a high-performance surface-mount resistor designed for precision applications. Manufactured in China, this fixed thin film resistor offers exceptional stability and reliability for demanding electronic circuits.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSMD metal film resistor for enhanced durability and performance\u003c\/li\u003e\n \u003cli\u003eHigh reliability with resistance tolerance as low as ±0.1%\u003c\/li\u003e\n \u003cli\u003eExcellent temperature coefficient of resistance (TCR): 50 \u0026amp; 25 ppm\/°C (customer request)\u003c\/li\u003e\n \u003cli\u003eLow current noise suitable for sensitive electronic applications\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and lead-free for environmentally conscious manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003ctd\u003eWF08T\/U\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSize Code\u003c\/th\u003e\n \u003ctd\u003e0805 (2012)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003ctd\u003e0.1Ω to 2.49MΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Tolerance\u003c\/th\u003e\n \u003ctd\u003e±0.1% (also available in other tolerances)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Dissipation at 70°C\u003c\/th\u003e\n \u003ctd\u003e1\/10W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Operating Voltage\u003c\/th\u003e\n \u003ctd\u003e100V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Overload Voltage\u003c\/th\u003e\n \u003ctd\u003e200V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature Range\u003c\/th\u003e\n \u003ctd\u003e-55°C to +155°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eLength (L)\u003c\/th\u003e\n \u003ctd\u003e2.00 ± 0.10 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eWidth (W)\u003c\/th\u003e\n \u003ctd\u003e1.25 ± 0.10 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals (A)\u003c\/th\u003e\n \u003ctd\u003e0.25 ± 0.20 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals (B)\u003c\/th\u003e\n \u003ctd\u003e0.40 ± 0.20 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eThickness (T)\u003c\/th\u003e\n \u003ctd\u003e0.50 ± 0.15 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: WF08U2491BTL\u003c\/li\u003e\n \u003cli\u003eManufacturer: WALSIN\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: 0805 Thin Film\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf08u2491btl.pdf\" target=\"_blank\"\u003eWF08U2491BTL Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2025-08-06T15:23:00+05:30","created_at":"2025-08-06T15:23:00+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["1W","Fixed","RES","Resistors","STD_IMG","WALSI-X","WLDM"],"price":499,"price_min":499,"price_max":499,"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":50555181269309,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WF08U2491BTL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WF08U2491BTL","public_title":null,"options":["Default Title"],"price":499,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WF08U2491BTL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0fa1c69c-3ada-44db-a4d9-0d61769eacca.jpg?v=1754473980"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0fa1c69c-3ada-44db-a4d9-0d61769eacca.jpg?v=1754473980","options":["Title"],"media":[{"alt":null,"id":45697639317821,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0fa1c69c-3ada-44db-a4d9-0d61769eacca.jpg?v=1754473980"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0fa1c69c-3ada-44db-a4d9-0d61769eacca.jpg?v=1754473980","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWALSIN WF08U2491BTL Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WALSIN WF08U2491BTL, a high-performance surface-mount resistor designed for precision applications. Manufactured in China, this fixed thin film resistor offers exceptional stability and reliability for demanding electronic circuits.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSMD metal film resistor for enhanced durability and performance\u003c\/li\u003e\n \u003cli\u003eHigh reliability with resistance tolerance as low as ±0.1%\u003c\/li\u003e\n \u003cli\u003eExcellent temperature coefficient of resistance (TCR): 50 \u0026amp; 25 ppm\/°C (customer request)\u003c\/li\u003e\n \u003cli\u003eLow current noise suitable for sensitive electronic applications\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and lead-free for environmentally conscious manufacturing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eSeries\u003c\/th\u003e\n \u003ctd\u003eWF08T\/U\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eSize Code\u003c\/th\u003e\n \u003ctd\u003e0805 (2012)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003ctd\u003e0.1Ω to 2.49MΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Tolerance\u003c\/th\u003e\n \u003ctd\u003e±0.1% (also available in other tolerances)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Dissipation at 70°C\u003c\/th\u003e\n \u003ctd\u003e1\/10W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Operating Voltage\u003c\/th\u003e\n \u003ctd\u003e100V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaximum Overload Voltage\u003c\/th\u003e\n \u003ctd\u003e200V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eOperating Temperature Range\u003c\/th\u003e\n \u003ctd\u003e-55°C to +155°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eLength (L)\u003c\/th\u003e\n \u003ctd\u003e2.00 ± 0.10 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eWidth (W)\u003c\/th\u003e\n \u003ctd\u003e1.25 ± 0.10 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals (A)\u003c\/th\u003e\n \u003ctd\u003e0.25 ± 0.20 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminals (B)\u003c\/th\u003e\n \u003ctd\u003e0.40 ± 0.20 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eThickness (T)\u003c\/th\u003e\n \u003ctd\u003e0.50 ± 0.15 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: WF08U2491BTL\u003c\/li\u003e\n \u003cli\u003eManufacturer: WALSIN\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: 0805 Thin Film\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf08u2491btl.pdf\" target=\"_blank\"\u003eWF08U2491BTL Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e"}
