Introducing the WALSIN WF08U4020BTL, a high-performance surface-mount resistor designed for demanding electronic applications. Manufactured in China, this fixed thin film resistor offers exceptional reliability and stability, making it suitable for use in medical equipment and other precision electronic devices.
Product Features
SMD metal film resistor for high accuracy and durability
High reliability with resistance tolerance as low as ±0.1%
Excellent temperature coefficient of resistance (TCR): 50 & 25 ppm/°C and below
Low current noise for sensitive electronic applications
RoHS compliant and lead-free for environmentally conscious manufacturing
Note: Datasheet was not processed, please search the internet for the part number WF08U4020BTL 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":10005075231037,"title":"WF08U4020BTL","handle":"wf08u4020btl","description":"\u003ch3\u003eWALSIN WF08U4020BTL Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WALSIN WF08U4020BTL, a high-performance surface-mount resistor designed for demanding electronic applications. Manufactured in China, this fixed thin film resistor offers exceptional reliability and stability, making it suitable for use in medical equipment and other precision electronic devices.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSMD metal film resistor for high accuracy and durability\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 and below\u003c\/li\u003e\n \u003cli\u003eLow current noise 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 \u0026amp; 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\u003e4.7Ω ~ 2MΩ\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\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\u003eTerminal A\u003c\/th\u003e\n \u003ctd\u003e0.25 ± 0.20 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminal 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: WF08U4020BTL\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: Surface-mount (0805)\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf08u4020btl.pdf\" target=\"_blank\"\u003eWF08U4020BTL Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number WF08U4020BTL 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":"2025-08-06T15:45:00+05:30","created_at":"2025-08-06T15:45:00+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":50555249688893,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WF08U4020BTL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WF08U4020BTL","public_title":null,"options":["Default Title"],"price":499,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WF08U4020BTL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0339b7cf-8ad1-4b51-a7bc-6b51c0caa475.jpg?v=1754475300"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0339b7cf-8ad1-4b51-a7bc-6b51c0caa475.jpg?v=1754475300","options":["Title"],"media":[{"alt":null,"id":45697854800189,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0339b7cf-8ad1-4b51-a7bc-6b51c0caa475.jpg?v=1754475300"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_0339b7cf-8ad1-4b51-a7bc-6b51c0caa475.jpg?v=1754475300","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWALSIN WF08U4020BTL Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the WALSIN WF08U4020BTL, a high-performance surface-mount resistor designed for demanding electronic applications. Manufactured in China, this fixed thin film resistor offers exceptional reliability and stability, making it suitable for use in medical equipment and other precision electronic devices.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSMD metal film resistor for high accuracy and durability\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 and below\u003c\/li\u003e\n \u003cli\u003eLow current noise 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 \u0026amp; 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\u003e4.7Ω ~ 2MΩ\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\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\u003eTerminal A\u003c\/th\u003e\n \u003ctd\u003e0.25 ± 0.20 mm\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTerminal 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: WF08U4020BTL\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: Surface-mount (0805)\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf08u4020btl.pdf\" target=\"_blank\"\u003eWF08U4020BTL Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number WF08U4020BTL 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"}
