The VISHAY RWR81S2R00FSBSL is a high-reliability axial resistor designed for military and established reliability applications. Manufactured in the US, this resistor complies with MIL-PRF-39007 standards and is suitable for demanding environments requiring precise resistance and durability.
High-temperature silicone coating for enhanced durability
Complete welded construction ensuring reliability
Qualified to MIL-PRF-39007 standards
Available in non-inductive styles (type N) with Ayrton-Perry winding for minimal reactive components
Solderable and weldable terminal options
Electrical and Mechanical Specifications
Standard Electrical Specifications
Values
Power Rating @ 25°C
1 W
Resistance Range
0.499 to 1K Ω (±0.1%) / 0.1 to 1K Ω (±0.5%, ±1%)
Weight (typical)
0.21 g
Dielectric Withstanding Voltage
500 VRMS (≤2W), 1000 VRMS (>2W)
Operating Temperature Range
-55°C to +250°C
Maximum Working Voltage
(Power x Resistance)¹/₂
Insulation Resistance
≥1000 MΩ (dry), ≥100 MΩ (moisture test)
Solderability
Meets ANSI J-STD-002 standards
Terminal Strength
≥5 lb (≤2W), ≥10 lb (>2W)
Resistance Temperature Coefficient
Temperature Coefficient (ppm/°C)
Resistance Range (Ω)
+650 max.
0.1 to 0.499
+400 max.
0.505 to 1.0
±50
1.01 to 10
±30
10.1 to 73.2 / 158 / 453
±20
74.1 and above / 160 and above / 459 and above
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]
For detailed dimensions of other models, please refer to the datasheet.
Additional Information
This resistor features high reliability, precise resistance tolerance, and suitability for military applications. It is designed to withstand harsh environmental conditions and provides stable performance over a wide temperature range.
Note: The datasheet was not processed. Please search the internet for the part number RWR81S2R00FSBSL for more details.
Legal Disclaimer
All product specifications and data are subject to change without notice. Please verify the latest datasheet before use. Vishay disclaims liability for any errors or inaccuracies. Use in medical, life-saving, or life-sustaining applications is at the customer's risk.
{"id":10022494994749,"title":"RWR81S2R00FSBSL","handle":"rwr81s2r00fsbsl","description":"\u003ch3\u003eVISHAY RWR81S2R00FSBSL Resistor - 2 Ohm, 1W, 1% Tolerance\u003c\/h3\u003e\n\u003cp\u003eThe VISHAY RWR81S2R00FSBSL is a high-reliability axial resistor designed for military and established reliability applications. Manufactured in the US, this resistor complies with MIL-PRF-39007 standards and is suitable for demanding environments requiring precise resistance and durability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RWR81S2R00FSBSL\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 US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (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 Black (BLK)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-rwr81s2r00fsbsl.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-temperature silicone coating for enhanced 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 (type N) with Ayrton-Perry winding for minimal 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 border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard Electrical Specifications\u003c\/th\u003e\n\u003cth\u003eValues\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating @ 25°C\u003c\/td\u003e\n\u003ctd\u003e1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range\u003c\/td\u003e\n\u003ctd\u003e0.499 to 1K Ω (±0.1%) \/ 0.1 to 1K Ω (±0.5%, ±1%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (typical)\u003c\/td\u003e\n\u003ctd\u003e0.21 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VRMS (≤2W), 1000 VRMS (\u0026gt;2W)\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Working Voltage\u003c\/td\u003e\n\u003ctd\u003e(Power x Resistance)¹\/₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥1000 MΩ (dry), ≥100 MΩ (moisture test)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolderability\u003c\/td\u003e\n\u003ctd\u003eMeets ANSI J-STD-002 standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Strength\u003c\/td\u003e\n\u003ctd\u003e≥5 lb (≤2W), ≥10 lb (\u0026gt;2W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eResistance Temperature Coefficient\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Coefficient (ppm\/°C)\u003c\/th\u003e\n\u003cth\u003eResistance Range (Ω)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e+650 max.\u003c\/td\u003e\n\u003ctd\u003e0.1 to 0.499\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+400 max.\u003c\/td\u003e\n\u003ctd\u003e0.505 to 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e±50\u003c\/td\u003e\n\u003ctd\u003e1.01 to 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e±30\u003c\/td\u003e\n\u003ctd\u003e10.1 to 73.2 \/ 158 \/ 453\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e±20\u003c\/td\u003e\n\u003ctd\u003e74.1 and above \/ 160 and above \/ 459 and above\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 border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\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\u003cp\u003eFor detailed dimensions of other models, please refer to the datasheet.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis resistor features high reliability, precise resistance tolerance, and suitability for military applications. It is designed to withstand harsh environmental conditions and provides stable performance over a wide temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e The datasheet was not processed. Please search the internet for the part number \u003cstrong\u003eRWR81S2R00FSBSL\u003c\/strong\u003e 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 the latest datasheet before use. Vishay disclaims liability for any errors or inaccuracies. Use in medical, life-saving, or life-sustaining applications is at the customer's risk.\u003c\/p\u003e","published_at":"2025-08-13T10:17:48+05:30","created_at":"2025-08-13T10:17:48+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["1W","Fixed","IMPORT_CSV","RES","Resistors","VISHA-X","WLDM"],"price":30351,"price_min":30351,"price_max":30351,"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":50614641131837,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RWR81S2R00FSBSL","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RWR81S2R00FSBSL","public_title":null,"options":["Default Title"],"price":30351,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RWR81S2R00FSBSL","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/55550432.jpg?v=1755060470"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55550432.jpg?v=1755060470","options":["Title"],"media":[{"alt":null,"id":45813812035901,"position":1,"preview_image":{"aspect_ratio":1.0,"height":420,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55550432.jpg?v=1755060470"},"aspect_ratio":1.0,"height":420,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/55550432.jpg?v=1755060470","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eVISHAY RWR81S2R00FSBSL Resistor - 2 Ohm, 1W, 1% Tolerance\u003c\/h3\u003e\n\u003cp\u003eThe VISHAY RWR81S2R00FSBSL is a high-reliability axial resistor designed for military and established reliability applications. Manufactured in the US, this resistor complies with MIL-PRF-39007 standards and is suitable for demanding environments requiring precise resistance and durability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e RWR81S2R00FSBSL\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 US\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e Each (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 Black (BLK)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-rwr81s2r00fsbsl.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-temperature silicone coating for enhanced 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 (type N) with Ayrton-Perry winding for minimal 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 border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard Electrical Specifications\u003c\/th\u003e\n\u003cth\u003eValues\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Rating @ 25°C\u003c\/td\u003e\n\u003ctd\u003e1 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance Range\u003c\/td\u003e\n\u003ctd\u003e0.499 to 1K Ω (±0.1%) \/ 0.1 to 1K Ω (±0.5%, ±1%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (typical)\u003c\/td\u003e\n\u003ctd\u003e0.21 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VRMS (≤2W), 1000 VRMS (\u0026gt;2W)\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Working Voltage\u003c\/td\u003e\n\u003ctd\u003e(Power x Resistance)¹\/₂\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥1000 MΩ (dry), ≥100 MΩ (moisture test)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSolderability\u003c\/td\u003e\n\u003ctd\u003eMeets ANSI J-STD-002 standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Strength\u003c\/td\u003e\n\u003ctd\u003e≥5 lb (≤2W), ≥10 lb (\u0026gt;2W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eResistance Temperature Coefficient\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Coefficient (ppm\/°C)\u003c\/th\u003e\n\u003cth\u003eResistance Range (Ω)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e+650 max.\u003c\/td\u003e\n\u003ctd\u003e0.1 to 0.499\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e+400 max.\u003c\/td\u003e\n\u003ctd\u003e0.505 to 1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e±50\u003c\/td\u003e\n\u003ctd\u003e1.01 to 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e±30\u003c\/td\u003e\n\u003ctd\u003e10.1 to 73.2 \/ 158 \/ 453\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e±20\u003c\/td\u003e\n\u003ctd\u003e74.1 and above \/ 160 and above \/ 459 and above\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 border=\"1\" cellpadding=\"4\" cellspacing=\"0\"\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\u003cp\u003eFor detailed dimensions of other models, please refer to the datasheet.\u003c\/p\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis resistor features high reliability, precise resistance tolerance, and suitability for military applications. It is designed to withstand harsh environmental conditions and provides stable performance over a wide temperature range.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote:\u003c\/em\u003e The datasheet was not processed. Please search the internet for the part number \u003cstrong\u003eRWR81S2R00FSBSL\u003c\/strong\u003e 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 the latest datasheet before use. Vishay disclaims liability for any errors or inaccuracies. Use in medical, life-saving, or life-sustaining applications is at the customer's risk.\u003c\/p\u003e"}
