OHMITE Manufacturing WLAR030FE Current Sense Resistor
The WLAR030FE is a high-quality through-hole current sense resistor manufactured by OHMITE MANUFACTURING, designed for precise current measurement applications in electronic circuits. This RoHS-compliant resistor features a ceramic core and advanced manufacturing processes to ensure reliability and performance.
Product Features
Ultra-low ohmic value series for accurate current sensing
Ceramic core made from CeramTec Rubalit® 96% alumina for stability
Wire-wound construction with copper leads coated in 100% Sn (Lead-Free)
Encapsulated with SUMICON 1100/1200 epoxy molding compound for durability
Manufactured using CNC welding for consistent quality
Compact dimensions with high power-to-size ratio
Specifications
Type
Current Sense Resistor - Through Hole
Part Number
WLAR030FE
Manufacturer
OHMITE MANUFACTURING
Country of Origin (COO)
Taiwan (TW)
UOM
Each (EA)
ECCN
EAR99
Package Type
Black (BLK)
RoHS Compliant
Yes
Electrical and Mechanical Characteristics
Power Rating: 0.5W
Resistance Range: 0.005Ω to 0.100Ω
Resistance Tolerance: ±1.0% (F), ±5.0% (J)
Resistance Wire: CN49W alloy, TC ±20ppm/°C
Temperature Coefficient: ±300ppm/°C for ≤0.03Ω; ±100ppm/°C for ≥0.033Ω
Maximum Working Voltage: √(Power x Resistance)
Physical Dimensions
Type
L (in./mm)
D (in./mm)
d (in./mm)
WLA
0.200 / 5.08
0.100 / 2.54
0.024 / 0.60
Datasheet
For detailed technical specifications and application guidelines, please refer to the WLAR030FE Datasheet.
{"id":10014625235261,"title":"WLAR030FE","handle":"wlar030fe","description":"\u003ch3\u003eOHMITE Manufacturing WLAR030FE Current Sense Resistor\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eWLAR030FE\u003c\/strong\u003e is a high-quality through-hole current sense resistor manufactured by \u003cstrong\u003eOHMITE MANUFACTURING\u003c\/strong\u003e, designed for precise current measurement applications in electronic circuits. This RoHS-compliant resistor features a ceramic core and advanced manufacturing processes to ensure reliability and performance.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUltra-low ohmic value series for accurate current sensing\u003c\/li\u003e\n \u003cli\u003eCeramic core made from CeramTec Rubalit® 96% alumina for stability\u003c\/li\u003e\n \u003cli\u003eWire-wound construction with copper leads coated in 100% Sn (Lead-Free)\u003c\/li\u003e\n \u003cli\u003eEncapsulated with SUMICON 1100\/1200 epoxy molding compound for durability\u003c\/li\u003e\n \u003cli\u003eManufactured using CNC welding for consistent quality\u003c\/li\u003e\n \u003cli\u003eCompact dimensions with high power-to-size ratio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eType\u003c\/th\u003e\n \u003ctd\u003eCurrent Sense Resistor - Through Hole\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003ctd\u003eWLAR030FE\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eManufacturer\u003c\/th\u003e\n \u003ctd\u003eOHMITE MANUFACTURING\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCountry of Origin (COO)\u003c\/th\u003e\n \u003ctd\u003eTaiwan (TW)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUOM\u003c\/th\u003e\n \u003ctd\u003eEach (EA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eECCN\u003c\/th\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackage Type\u003c\/th\u003e\n \u003ctd\u003eBlack (BLK)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eRoHS Compliant\u003c\/th\u003e\n \u003ctd\u003eYes\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePower Rating: 0.5W\u003c\/li\u003e\n \u003cli\u003eResistance Range: 0.005Ω to 0.100Ω\u003c\/li\u003e\n \u003cli\u003eResistance Tolerance: ±1.0% (F), ±5.0% (J)\u003c\/li\u003e\n \u003cli\u003eResistance Wire: CN49W alloy, TC ±20ppm\/°C\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: ±300ppm\/°C for ≤0.03Ω; ±100ppm\/°C for ≥0.033Ω\u003c\/li\u003e\n \u003cli\u003eMaximum Working Voltage: √(Power x Resistance)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eType\u003c\/th\u003e\n \u003cth\u003eL (in.\/mm)\u003c\/th\u003e\n \u003cth\u003eD (in.\/mm)\u003c\/th\u003e\n \u003cth\u003ed (in.\/mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWLA\u003c\/td\u003e\n \u003ctd\u003e0.200 \/ 5.08\u003c\/td\u003e\n \u003ctd\u003e0.100 \/ 2.54\u003c\/td\u003e\n \u003ctd\u003e0.024 \/ 0.60\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-oi\/oi-wlar030fe.pdf\" target=\"_blank\"\u003eWLAR030FE Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eStandard Resistance Values: 0.005Ω, 0.01Ω, 0.015Ω, 0.02Ω, 0.025Ω, 0.03Ω, 0.05Ω, 0.10Ω\u003c\/li\u003e\n \u003cli\u003eOrdering Codes: WLAR005FE, WLAR010FE, WLAR015FE, WLAR020FE, WLAR025FE, WLAR030FE, WLAR050FE, WLAR100FE\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and suitable for high-precision current sensing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-11T01:50:45+05:30","created_at":"2025-08-11T01:50:45+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["5W","Current","IMPORT_CSV","OHMIT","Resistors","WLDM"],"price":12335,"price_min":12335,"price_max":12335,"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":50582826090813,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"WLAR030FE","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"WLAR030FE","public_title":null,"options":["Default Title"],"price":12335,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"WLAR030FE","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/WLAR030FE_12039570_abca1a19.jpg?v=1754857248"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WLAR030FE_12039570_abca1a19.jpg?v=1754857248","options":["Title"],"media":[{"alt":null,"id":45768743027005,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WLAR030FE_12039570_abca1a19.jpg?v=1754857248"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/WLAR030FE_12039570_abca1a19.jpg?v=1754857248","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eOHMITE Manufacturing WLAR030FE Current Sense Resistor\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eWLAR030FE\u003c\/strong\u003e is a high-quality through-hole current sense resistor manufactured by \u003cstrong\u003eOHMITE MANUFACTURING\u003c\/strong\u003e, designed for precise current measurement applications in electronic circuits. This RoHS-compliant resistor features a ceramic core and advanced manufacturing processes to ensure reliability and performance.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eUltra-low ohmic value series for accurate current sensing\u003c\/li\u003e\n \u003cli\u003eCeramic core made from CeramTec Rubalit® 96% alumina for stability\u003c\/li\u003e\n \u003cli\u003eWire-wound construction with copper leads coated in 100% Sn (Lead-Free)\u003c\/li\u003e\n \u003cli\u003eEncapsulated with SUMICON 1100\/1200 epoxy molding compound for durability\u003c\/li\u003e\n \u003cli\u003eManufactured using CNC welding for consistent quality\u003c\/li\u003e\n \u003cli\u003eCompact dimensions with high power-to-size ratio\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eType\u003c\/th\u003e\n \u003ctd\u003eCurrent Sense Resistor - Through Hole\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePart Number\u003c\/th\u003e\n \u003ctd\u003eWLAR030FE\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eManufacturer\u003c\/th\u003e\n \u003ctd\u003eOHMITE MANUFACTURING\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eCountry of Origin (COO)\u003c\/th\u003e\n \u003ctd\u003eTaiwan (TW)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eUOM\u003c\/th\u003e\n \u003ctd\u003eEach (EA)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eECCN\u003c\/th\u003e\n \u003ctd\u003eEAR99\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePackage Type\u003c\/th\u003e\n \u003ctd\u003eBlack (BLK)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eRoHS Compliant\u003c\/th\u003e\n \u003ctd\u003eYes\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePower Rating: 0.5W\u003c\/li\u003e\n \u003cli\u003eResistance Range: 0.005Ω to 0.100Ω\u003c\/li\u003e\n \u003cli\u003eResistance Tolerance: ±1.0% (F), ±5.0% (J)\u003c\/li\u003e\n \u003cli\u003eResistance Wire: CN49W alloy, TC ±20ppm\/°C\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: ±300ppm\/°C for ≤0.03Ω; ±100ppm\/°C for ≥0.033Ω\u003c\/li\u003e\n \u003cli\u003eMaximum Working Voltage: √(Power x Resistance)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eType\u003c\/th\u003e\n \u003cth\u003eL (in.\/mm)\u003c\/th\u003e\n \u003cth\u003eD (in.\/mm)\u003c\/th\u003e\n \u003cth\u003ed (in.\/mm)\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eWLA\u003c\/td\u003e\n \u003ctd\u003e0.200 \/ 5.08\u003c\/td\u003e\n \u003ctd\u003e0.100 \/ 2.54\u003c\/td\u003e\n \u003ctd\u003e0.024 \/ 0.60\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-oi\/oi-wlar030fe.pdf\" target=\"_blank\"\u003eWLAR030FE Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eStandard Resistance Values: 0.005Ω, 0.01Ω, 0.015Ω, 0.02Ω, 0.025Ω, 0.03Ω, 0.05Ω, 0.10Ω\u003c\/li\u003e\n \u003cli\u003eOrdering Codes: WLAR005FE, WLAR010FE, WLAR015FE, WLAR020FE, WLAR025FE, WLAR030FE, WLAR050FE, WLAR100FE\u003c\/li\u003e\n \u003cli\u003eRoHS compliant and suitable for high-precision current sensing applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eNote: Datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e"}
