Introducing the VISHAY RWR81S2R94FRB12, a high-reliability axial lead resistor designed for demanding electronic applications. Manufactured in Mexico, this resistor complies with industry standards for military and established reliability, including MIL-PRF-39007 qualification.
Product Details:
Part Number: RWR81S2R94FRB12
Manufacturer: VISHAY
Country of Origin: MX
Unit of Measure: EA
ECCN: EAR99
Package Type: BLK
This resistor features a resistance value of 2.94 ohms with a power rating of 1 watt and a tolerance of 1%. It is suitable for applications requiring high temperature stability and complete welded construction, with options for non-inductive styles for minimized reactive components.
For detailed specifications, technical support, and datasheet, please visit the datasheet.
Features
High temperature silicone coating for durability
Complete welded construction ensuring reliability
Qualified to MIL-PRF-39007 standards
Available in non-inductive styles with Ayrton-Perry winding for low reactive components
Solderable and weldable terminal options
Electrical and Mechanical Specifications
Standard Electrical Specifications
Col2
Col3
Col4
Col5
Col6
Military Model
VISHAY REFERENCE MODEL
Power Rating @ P25°C (W)
Resistance Range ± 0.1 % (Ω)
Resistance Range ± 0.5 %, ± 1 % (Ω)
Weight (g)
RWR81S
EGS-1-80
1
0.499 to 1K
0.1 to 1K
0.21
Dimensions (in inches [mm])
Model
A
B
C
RWR81
0.250 ± 0.031 [6.35 ± 0.787]
0.085 ± 0.020 [2.16 ± 0.508]
0.020 ± 0.0015 [0.508 ± 0.038]
Performance & Testing
Parameter
Test Conditions
Test Limits
Dielectric Withstanding Voltage
500 VRMS (≤2W), 1000 VRMS (>2W), 1 min
± (0.2 % + 0.005 Ω) ΔR
Short Time Overload
5x rated power for 5 s (≤2W), 10x rated power for 5 s (>2W)
± (0.2 % + 0.005 Ω) ΔR
Operating Temperature Range
-55°C to +250°C
Stable performance within specified range
Additional Information
For more details, technical support, and to view the complete datasheet, please visit the datasheet.
Note: The datasheet was not processed; please search the internet for the part number RWR81S2R94FRB12 for more details.
Legal Disclaimer
All product specifications and data are subject to change without notice. Please verify details before use. Vishay disclaims liability for errors or inaccuracies in this description.
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{"id":10022371787069,"title":"RWR81S2R94FRB12","handle":"rwr81s2r94frb12","description":"\u003ch3\u003eVISHAY RWR81S2R94FRB12 Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the VISHAY RWR81S2R94FRB12, a high-reliability axial lead resistor designed for demanding electronic applications. Manufactured in Mexico, this resistor complies with industry standards for military and established reliability, including MIL-PRF-39007 qualification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RWR81S2R94FRB12\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e VISHAY\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis resistor features a resistance value of 2.94 ohms with a power rating of 1 watt and a tolerance of 1%. It is suitable for applications requiring high temperature stability and complete welded construction, with options for non-inductive styles for minimized reactive components.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications, technical support, and datasheet, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-rwr81s2r94frb12.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh temperature silicone coating for durability\u003c\/li\u003e\n \u003cli\u003eComplete welded construction ensuring reliability\u003c\/li\u003e\n \u003cli\u003eQualified to MIL-PRF-39007 standards\u003c\/li\u003e\n \u003cli\u003eAvailable in non-inductive styles with Ayrton-Perry winding for low reactive components\u003c\/li\u003e\n \u003cli\u003eSolderable and weldable terminal options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eStandard Electrical Specifications\u003c\/th\u003e\n \u003cth\u003eCol2\u003c\/th\u003e\n \u003cth\u003eCol3\u003c\/th\u003e\n \u003cth\u003eCol4\u003c\/th\u003e\n \u003cth\u003eCol5\u003c\/th\u003e\n \u003cth\u003eCol6\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMilitary Model\u003c\/td\u003e\n \u003ctd\u003eVISHAY REFERENCE MODEL\u003c\/td\u003e\n \u003ctd\u003ePower Rating @ P25°C (W)\u003c\/td\u003e\n \u003ctd\u003eResistance Range ± 0.1 % (Ω)\u003c\/td\u003e\n \u003ctd\u003eResistance Range ± 0.5 %, ± 1 % (Ω)\u003c\/td\u003e\n \u003ctd\u003eWeight (g)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRWR81S\u003c\/td\u003e\n \u003ctd\u003eEGS-1-80\u003c\/td\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003e0.499 to 1K\u003c\/td\u003e\n \u003ctd\u003e0.1 to 1K\u003c\/td\u003e\n \u003ctd\u003e0.21\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions (in inches [mm])\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eA\u003c\/th\u003e\n \u003cth\u003eB\u003c\/th\u003e\n \u003cth\u003eC\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eRWR81\u003c\/td\u003e\n \u003ctd\u003e0.250 ± 0.031 [6.35 ± 0.787]\u003c\/td\u003e\n \u003ctd\u003e0.085 ± 0.020 [2.16 ± 0.508]\u003c\/td\u003e\n \u003ctd\u003e0.020 ± 0.0015 [0.508 ± 0.038]\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance \u0026amp; Testing\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eTest Conditions\u003c\/th\u003e\n \u003cth\u003eTest Limits\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n \u003ctd\u003e500 VRMS (≤2W), 1000 VRMS (\u0026gt;2W), 1 min\u003c\/td\u003e\n \u003ctd\u003e± (0.2 % + 0.005 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort Time Overload\u003c\/td\u003e\n \u003ctd\u003e5x rated power for 5 s (≤2W), 10x rated power for 5 s (\u0026gt;2W)\u003c\/td\u003e\n \u003ctd\u003e± (0.2 % + 0.005 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to +250°C\u003c\/td\u003e\n \u003ctd\u003eStable performance within specified range\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more details, technical support, and to view the complete datasheet, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-rwr81s2r94frb12.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number RWR81S2R94FRB12 for more details.\u003c\/p\u003e\n\u003ch3\u003eLegal Disclaimer\u003c\/h3\u003e\n\u003cp\u003eAll product specifications and data are subject to change without notice. Please verify details before use. Vishay disclaims liability for errors or inaccuracies in this description.\u003c\/p\u003e","published_at":"2025-08-13T08:06:24+05:30","created_at":"2025-08-13T08:06:24+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["1W","Fixed","IMPORT_CSV","RES","Resistors","VISHA-X","WLDM"],"price":22590,"price_min":22590,"price_max":22590,"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":50614451831101,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RWR81S2R94FRB12","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RWR81S2R94FRB12","public_title":null,"options":["Default Title"],"price":22590,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RWR81S2R94FRB12","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/55548837.jpg?v=1755052587"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55548837.jpg?v=1755052587","options":["Title"],"media":[{"alt":null,"id":45812235469117,"position":1,"preview_image":{"aspect_ratio":1.0,"height":420,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55548837.jpg?v=1755052587"},"aspect_ratio":1.0,"height":420,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55548837.jpg?v=1755052587","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eVISHAY RWR81S2R94FRB12 Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the VISHAY RWR81S2R94FRB12, a high-reliability axial lead resistor designed for demanding electronic applications. Manufactured in Mexico, this resistor complies with industry standards for military and established reliability, including MIL-PRF-39007 qualification.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RWR81S2R94FRB12\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e VISHAY\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e MX\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e BLK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis resistor features a resistance value of 2.94 ohms with a power rating of 1 watt and a tolerance of 1%. It is suitable for applications requiring high temperature stability and complete welded construction, with options for non-inductive styles for minimized reactive components.\u003c\/p\u003e\n\u003cp\u003eFor detailed specifications, technical support, and datasheet, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-rwr81s2r94frb12.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh temperature silicone coating for durability\u003c\/li\u003e\n \u003cli\u003eComplete welded construction ensuring reliability\u003c\/li\u003e\n \u003cli\u003eQualified to MIL-PRF-39007 standards\u003c\/li\u003e\n \u003cli\u003eAvailable in non-inductive styles with Ayrton-Perry winding for low reactive components\u003c\/li\u003e\n \u003cli\u003eSolderable and weldable terminal options\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eStandard Electrical Specifications\u003c\/th\u003e\n \u003cth\u003eCol2\u003c\/th\u003e\n \u003cth\u003eCol3\u003c\/th\u003e\n \u003cth\u003eCol4\u003c\/th\u003e\n \u003cth\u003eCol5\u003c\/th\u003e\n \u003cth\u003eCol6\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eMilitary Model\u003c\/td\u003e\n \u003ctd\u003eVISHAY REFERENCE MODEL\u003c\/td\u003e\n \u003ctd\u003ePower Rating @ P25°C (W)\u003c\/td\u003e\n \u003ctd\u003eResistance Range ± 0.1 % (Ω)\u003c\/td\u003e\n \u003ctd\u003eResistance Range ± 0.5 %, ± 1 % (Ω)\u003c\/td\u003e\n \u003ctd\u003eWeight (g)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRWR81S\u003c\/td\u003e\n \u003ctd\u003eEGS-1-80\u003c\/td\u003e\n \u003ctd\u003e1\u003c\/td\u003e\n \u003ctd\u003e0.499 to 1K\u003c\/td\u003e\n \u003ctd\u003e0.1 to 1K\u003c\/td\u003e\n \u003ctd\u003e0.21\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions (in inches [mm])\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eA\u003c\/th\u003e\n \u003cth\u003eB\u003c\/th\u003e\n \u003cth\u003eC\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eRWR81\u003c\/td\u003e\n \u003ctd\u003e0.250 ± 0.031 [6.35 ± 0.787]\u003c\/td\u003e\n \u003ctd\u003e0.085 ± 0.020 [2.16 ± 0.508]\u003c\/td\u003e\n \u003ctd\u003e0.020 ± 0.0015 [0.508 ± 0.038]\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance \u0026amp; Testing\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eTest Conditions\u003c\/th\u003e\n \u003cth\u003eTest Limits\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n \u003ctd\u003e500 VRMS (≤2W), 1000 VRMS (\u0026gt;2W), 1 min\u003c\/td\u003e\n \u003ctd\u003e± (0.2 % + 0.005 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort Time Overload\u003c\/td\u003e\n \u003ctd\u003e5x rated power for 5 s (≤2W), 10x rated power for 5 s (\u0026gt;2W)\u003c\/td\u003e\n \u003ctd\u003e± (0.2 % + 0.005 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n \u003ctd\u003e-55°C to +250°C\u003c\/td\u003e\n \u003ctd\u003eStable performance within specified range\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor more details, technical support, and to view the complete datasheet, please visit the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-rwr81s2r94frb12.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number RWR81S2R94FRB12 for more details.\u003c\/p\u003e\n\u003ch3\u003eLegal Disclaimer\u003c\/h3\u003e\n\u003cp\u003eAll product specifications and data are subject to change without notice. Please verify details before use. Vishay disclaims liability for errors or inaccuracies in this description.\u003c\/p\u003e"}
