Part Number: WF04U4021BTL
Manufacturer: WALSIN
Country of Origin: CN
UOM: EA
ECCN: EAR99
Package Type: 0402 Thin Film
Product Category: Resistors | Fixed Resistors
Product Type: Resistors
Datasheet: WF04U4021BTL Datasheet
Product Features
SMD metal film resistor for high reliability and stability
Resistance tolerance options include ±0.1%, ±0.25%, ±0.5%, and ±1.0%
High performance TCR: 50 ppm/°C and 25 ppm/°C options available
Low current noise suitable for precision applications
RoHS compliant and lead-free construction
Specifications
Series
WF04T & U
Resistance Range
10Ω ~ 12KΩ
Resistance Tolerance
±0.1%, ±0.25%, ±0.5%, ±1.0%
Maximum Dissipation at 70°C
1/16W
Maximum Operating Voltage
50V
Maximum Overload Voltage
100V
Operating Temperature Range
-55°C to +155°C
Dimensions (L x W x A)
6.35 ± 0.10 mm x 3.20 ± 0.15 mm x 0.60 ± 0.20 mm
Additional Details
Designed for applications requiring high stability and low noise, such as medical equipment
Part Number: WF04U4021BTL
Manufacturer: WALSIN
Country of Origin: CN
UOM: Each
ECCN: EAR99
Package Type: 0402 Thin Film
For more detailed specifications, please refer to the datasheet. If additional information is needed, search the internet for the part number WF04U4021BTL.
{"id":10027960140093,"title":"WF04U4021BTL","handle":"wf04u4021btl","description":"\u003ch3\u003eWALSIN WF04U4021BTL Resistor\u003c\/h3\u003e\n\u003cp\u003ePart Number: WF04U4021BTL\u003cbr\u003e\nManufacturer: WALSIN\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: 0402 Thin Film\u003cbr\u003e\nProduct Category: Resistors | Fixed Resistors\u003cbr\u003e\nProduct Type: Resistors\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4021btl.pdf\" target=\"_blank\"\u003eWF04U4021BTL Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\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 tolerance options include ±0.1%, ±0.25%, ±0.5%, and ±1.0%\u003c\/li\u003e\n\u003cli\u003eHigh performance TCR: 50 ppm\/°C and 25 ppm\/°C options available\u003c\/li\u003e\n\u003cli\u003eLow current noise suitable for precision applications\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and lead-free construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eWF04T \u0026amp; U\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range\u003c\/td\u003e\n\u003ctd\u003e10Ω ~ 12KΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n\u003ctd\u003e±0.1%, ±0.25%, ±0.5%, ±1.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Dissipation at 70°C\u003c\/td\u003e\n\u003ctd\u003e1\/16W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Overload 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\u003cth\u003eDimensions (L x W x A)\u003c\/th\u003e\n\u003cth\u003e6.35 ± 0.10 mm x 3.20 ± 0.15 mm x 0.60 ± 0.20 mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for applications requiring high stability and low noise, such as medical equipment\u003c\/li\u003e\n\u003cli\u003ePart Number: WF04U4021BTL\u003c\/li\u003e\n\u003cli\u003eManufacturer: WALSIN\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUOM: Each\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: 0402 Thin Film\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4021btl.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional information is needed, search the internet for the part number WF04U4021BTL.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T05:14:21+05:30","created_at":"2025-08-16T05:14:21+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["25V","Fixed","IMPORT_CSV","IMPORT_PT2","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":50626355855677,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WF04U4021BTL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WF04U4021BTL","public_title":null,"options":["Default Title"],"price":499,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WF04U4021BTL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_8676436f-8a83-41ee-aaf8-08678e40f45c.jpg?v=1755301463"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_8676436f-8a83-41ee-aaf8-08678e40f45c.jpg?v=1755301463","options":["Title"],"media":[{"alt":null,"id":45862469271869,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_8676436f-8a83-41ee-aaf8-08678e40f45c.jpg?v=1755301463"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_8676436f-8a83-41ee-aaf8-08678e40f45c.jpg?v=1755301463","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWALSIN WF04U4021BTL Resistor\u003c\/h3\u003e\n\u003cp\u003ePart Number: WF04U4021BTL\u003cbr\u003e\nManufacturer: WALSIN\u003cbr\u003e\nCountry of Origin: CN\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: 0402 Thin Film\u003cbr\u003e\nProduct Category: Resistors | Fixed Resistors\u003cbr\u003e\nProduct Type: Resistors\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4021btl.pdf\" target=\"_blank\"\u003eWF04U4021BTL Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\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 tolerance options include ±0.1%, ±0.25%, ±0.5%, and ±1.0%\u003c\/li\u003e\n\u003cli\u003eHigh performance TCR: 50 ppm\/°C and 25 ppm\/°C options available\u003c\/li\u003e\n\u003cli\u003eLow current noise suitable for precision applications\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and lead-free construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eWF04T \u0026amp; U\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range\u003c\/td\u003e\n\u003ctd\u003e10Ω ~ 12KΩ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n\u003ctd\u003e±0.1%, ±0.25%, ±0.5%, ±1.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Dissipation at 70°C\u003c\/td\u003e\n\u003ctd\u003e1\/16W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Operating Voltage\u003c\/td\u003e\n\u003ctd\u003e50V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Overload 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\u003cth\u003eDimensions (L x W x A)\u003c\/th\u003e\n\u003cth\u003e6.35 ± 0.10 mm x 3.20 ± 0.15 mm x 0.60 ± 0.20 mm\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for applications requiring high stability and low noise, such as medical equipment\u003c\/li\u003e\n\u003cli\u003ePart Number: WF04U4021BTL\u003c\/li\u003e\n\u003cli\u003eManufacturer: WALSIN\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n\u003cli\u003eUOM: Each\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: 0402 Thin Film\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wf04u4021btl.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional information is needed, search the internet for the part number WF04U4021BTL.\u003c\/p\u003e\u003cbr\u003e"}
