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WALSIN
WR02X3903FAL
WALSIN WR02X3903FAL Resistor - 390K Ohm, 1% Tolerance, 0201 SMD Package
The WALSIN WR02X3903FAL is a high-quality thick film surface-mount resistor designed for precision and reliability in compact electronic applications. Manufactured in China, this resistor features a 390K Ohm resistance value with a 1% tolerance, making it suitable for high-density circuit board assembly and demanding electronic environments.
Product Features
Small size and lightweight design for space-constrained applications
High reliability and stability over a wide temperature range
Reduces overall equipment size
Suitable for high-density PCB assembly
Lead-free construction ensuring environmental compliance
Technical Specifications
Item
Specification
Series
WR02X(W)
Size Code
0201 (0603)
Resistance Range
1Ω to 10MΩ (±5% tolerance), Jumper 1Ω to 10MΩ (±1% tolerance)
Resistance Tolerance
±1% (E96/E24), ±5% (E24)
Temperature Coefficient (TCR)
10Ω - 10MΩ, ≤±200 ppm/°C
Maximum Dissipation @ 70°C
1/20 W
Maximum Operation Voltage
25V DC or RMS
Maximum Overload Voltage
50V DC or RMS
Operating Temperature
-55°C to +125°C
Physical Dimensions (mm)
Dimension
Measurement
Length (L)
0.60 ± 0.03
Width (W)
0.30 ± 0.03
Thickness (T)
0.23 ± 0.03
Terminal Width (Tb)
0.15 ± 0.05
Terminal Thickness (Tt)
0.10 ± 0.05
Additional Details
No marking on WR02X(W) models for easy identification
Constructed with a high-grade ceramic body (aluminum oxide) and laser-trimmed resistive layer for precise resistance values
Suitable for automated placement and soldering processes, including immersion in solder baths up to 260°C
Package Type: Reel (various sizes available)
Compliance & Packaging
RoHS compliant (not specified in the data)
Package Type: Reel
UOM: Each (EA)
ECCN: EAR99
Datasheet & Resources
For detailed technical information, please refer to the datasheet .
Note: The datasheet content is based on provided data. For additional specifications and application details, please consult the datasheet or contact the manufacturer.
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{"id":10013355573565,"title":"WR02X3903FAL","handle":"wr02x3903fal","description":"\u003ch3\u003eWALSIN WR02X3903FAL Resistor - 390K Ohm, 1% Tolerance, 0201 SMD Package\u003c\/h3\u003e\n\n\u003cp\u003eThe WALSIN WR02X3903FAL is a high-quality thick film surface-mount resistor designed for precision and reliability in compact electronic applications. Manufactured in China, this resistor features a 390K Ohm resistance value with a 1% tolerance, making it suitable for high-density circuit board assembly and demanding electronic environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall size and lightweight design for space-constrained applications\u003c\/li\u003e\n \u003cli\u003eHigh reliability and stability over a wide temperature range\u003c\/li\u003e\n \u003cli\u003eReduces overall equipment size\u003c\/li\u003e\n \u003cli\u003eSuitable for high-density PCB assembly\u003c\/li\u003e\n \u003cli\u003eLead-free construction ensuring environmental compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eItem\u003c\/th\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeries\u003c\/td\u003e\n \u003ctd\u003eWR02X(W)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSize Code\u003c\/td\u003e\n \u003ctd\u003e0201 (0603)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e1Ω to 10MΩ (±5% tolerance), Jumper 1Ω to 10MΩ (±1% tolerance)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n \u003ctd\u003e±1% (E96\/E24), ±5% (E24)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient (TCR)\u003c\/td\u003e\n \u003ctd\u003e10Ω - 10MΩ, ≤±200 ppm\/°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Dissipation @ 70°C\u003c\/td\u003e\n \u003ctd\u003e1\/20 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Operation Voltage\u003c\/td\u003e\n \u003ctd\u003e25V DC or RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Overload Voltage\u003c\/td\u003e\n \u003ctd\u003e50V DC or RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions (mm)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eMeasurement\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLength (L)\u003c\/td\u003e\n \u003ctd\u003e0.60 ± 0.03\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWidth (W)\u003c\/td\u003e\n \u003ctd\u003e0.30 ± 0.03\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThickness (T)\u003c\/td\u003e\n \u003ctd\u003e0.23 ± 0.03\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTerminal Width (Tb)\u003c\/td\u003e\n \u003ctd\u003e0.15 ± 0.05\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTerminal Thickness (Tt)\u003c\/td\u003e\n \u003ctd\u003e0.10 ± 0.05\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eNo marking on WR02X(W) models for easy identification\u003c\/li\u003e\n \u003cli\u003eConstructed with a high-grade ceramic body (aluminum oxide) and laser-trimmed resistive layer for precise resistance values\u003c\/li\u003e\n \u003cli\u003eSuitable for automated placement and soldering processes, including immersion in solder baths up to 260°C\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel (various sizes available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRoHS compliant (not specified in the data)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wr02x3903fal.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet content is based on provided data. For additional specifications and application details, please consult the datasheet or contact the manufacturer.\u003c\/p\u003e","published_at":"2025-08-10T15:25:45+05:30","created_at":"2025-08-10T15:25:45+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["IMPORT_CSV","RES","Resistors","Smd","WALSI-X","WLDM"],"price":10,"price_min":10,"price_max":10,"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":50578263867709,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WR02X3903FAL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WR02X3903FAL","public_title":null,"options":["Default Title"],"price":10,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WR02X3903FAL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/WR02X3903FAL_56111666_0aa77d5b.jpg?v=1754819749"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WR02X3903FAL_56111666_0aa77d5b.jpg?v=1754819749","options":["Title"],"media":[{"alt":null,"id":45762149810493,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WR02X3903FAL_56111666_0aa77d5b.jpg?v=1754819749"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WR02X3903FAL_56111666_0aa77d5b.jpg?v=1754819749","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eWALSIN WR02X3903FAL Resistor - 390K Ohm, 1% Tolerance, 0201 SMD Package\u003c\/h3\u003e\n\n\u003cp\u003eThe WALSIN WR02X3903FAL is a high-quality thick film surface-mount resistor designed for precision and reliability in compact electronic applications. Manufactured in China, this resistor features a 390K Ohm resistance value with a 1% tolerance, making it suitable for high-density circuit board assembly and demanding electronic environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSmall size and lightweight design for space-constrained applications\u003c\/li\u003e\n \u003cli\u003eHigh reliability and stability over a wide temperature range\u003c\/li\u003e\n \u003cli\u003eReduces overall equipment size\u003c\/li\u003e\n \u003cli\u003eSuitable for high-density PCB assembly\u003c\/li\u003e\n \u003cli\u003eLead-free construction ensuring environmental compliance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eItem\u003c\/th\u003e\n \u003cth\u003eSpecification\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSeries\u003c\/td\u003e\n \u003ctd\u003eWR02X(W)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSize Code\u003c\/td\u003e\n \u003ctd\u003e0201 (0603)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e1Ω to 10MΩ (±5% tolerance), Jumper 1Ω to 10MΩ (±1% tolerance)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n \u003ctd\u003e±1% (E96\/E24), ±5% (E24)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient (TCR)\u003c\/td\u003e\n \u003ctd\u003e10Ω - 10MΩ, ≤±200 ppm\/°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Dissipation @ 70°C\u003c\/td\u003e\n \u003ctd\u003e1\/20 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Operation Voltage\u003c\/td\u003e\n \u003ctd\u003e25V DC or RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMaximum Overload Voltage\u003c\/td\u003e\n \u003ctd\u003e50V DC or RMS\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n \u003ctd\u003e-55°C to +125°C\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions (mm)\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eDimension\u003c\/th\u003e\n \u003cth\u003eMeasurement\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLength (L)\u003c\/td\u003e\n \u003ctd\u003e0.60 ± 0.03\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWidth (W)\u003c\/td\u003e\n \u003ctd\u003e0.30 ± 0.03\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThickness (T)\u003c\/td\u003e\n \u003ctd\u003e0.23 ± 0.03\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTerminal Width (Tb)\u003c\/td\u003e\n \u003ctd\u003e0.15 ± 0.05\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTerminal Thickness (Tt)\u003c\/td\u003e\n \u003ctd\u003e0.10 ± 0.05\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eNo marking on WR02X(W) models for easy identification\u003c\/li\u003e\n \u003cli\u003eConstructed with a high-grade ceramic body (aluminum oxide) and laser-trimmed resistive layer for precise resistance values\u003c\/li\u003e\n \u003cli\u003eSuitable for automated placement and soldering processes, including immersion in solder baths up to 260°C\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel (various sizes available)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eRoHS compliant (not specified in the data)\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDatasheet \u0026amp; Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-wsn\/wsn-wr02x3903fal.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003eNote: The datasheet content is based on provided data. For additional specifications and application details, please consult the datasheet or contact the manufacturer.\u003c\/p\u003e"}
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