Home
VISHAY
RER50F52R3RC02
VISHAY RER50F52R3RC02 Resistor - Chassis Mount, Wirewound, 52.3 Ohm, 1% Tolerance, 20W
The VISHAY RER50F52R3RC02 is a high-performance wirewound resistor designed for military and established reliability applications. Manufactured in the US, this chassis-mounted resistor features robust construction and precise electrical characteristics suitable for demanding environments.
Product Features
Aluminum heat sink housing for efficient thermal management
Molded construction provides complete environmental protection
Qualified to MIL-PRF-39009 standards
Complete welded construction ensures durability
Non-inductive Ayrton-Perry winding minimizes reactive components
Mounts on chassis to utilize heat-sink effect for enhanced cooling
Electrical Specifications
Standard Electrical Specifications
Power Rating at 25°C
20 W
Resistance Range
1 to 6.04 KΩ
Tolerance
± 1%
Temperature Coefficient
± 100 ppm/°C for 0.1 Ω to 0.99 Ω; ± 20 ppm/°C for 20 Ω and above
Maximum Working Voltage
(Power x Resistance)¹/²
Insulation Resistance
≥ 10,000 MΩ dry, ≥ 1,000 MΩ after moisture test
Solderability
Meets ANSI J-STD-002 requirements
Operating Temperature Range
-55°C to +250°C
Mechanical Dimensions
Model
Dimensions (in inches [mm])
RER50
A: 0.719 [18.26], B: 0.781 [19.84], C: 1.062 [26.97], D: 1.938 [49.23], E: 0.550 [13.97], F: 1.080 [27.43], G: 0.546 [13.87], H: 0.075 [1.90], J: 0.231 [5.87], K: 0.172 [4.37], L: 0.115 [2.92], M: 0.085 [2.16], N: 0.438 [11.13]
Material and Construction
Element: Copper-nickel or nickel-chrome alloy
Core: Ceramic (steatite or alumina)
Encapsulant: Silicone molded construction
Housing: Aluminum with hard anodic coating
End Caps: Stainless steel
Standard Terminals: Tinned Copperweld®
Additional Details
Part Number: RER50F52R3RC02
Manufacturer: VISHAY
Country of Origin: US
Unit of Measure: EA
ECCN: EAR99
Package Type: BLK
Datasheet: https://www.vishay.com/doc?30200
Performance and Testing
Test
Conditions of Test
Limits
Low Temperature Operation
Rated power at -55°C for 15-30 min
± (0.5 % + 0.01 Ω) ΔR
Short Time Overload
5 x rated power for 5 s
± (0.3 % + 0.01 Ω) ΔR
Dielectric Withstanding Voltage
1000 VRMS (RER40, RER45, RER50, RER60, RER65, RER70), 2000 VRMS (RER55, RER75), 1 min
± (0.2 % + 0.01 Ω) ΔR
Load Life
2000 h at rated power, +25°C, 1.5 h ON / 0.5 h OFF
± (1.0 % + 0.01 Ω) ΔR
Extended Life
10,000 h at rated power, +25°C, 1.5 h ON / 0.5 h OFF
± (2.0 % + 0.01 Ω) ΔR
Legal Disclaimer
All product specifications and data are subject to change without notice. Please search the internet for the part number RER50F52R3RC02 for more detailed information.
Note: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
{"id":10007660265789,"title":"RER50F52R3RC02","handle":"rer50f52r3rc02","description":"\u003ch3\u003eVISHAY RER50F52R3RC02 Resistor - Chassis Mount, Wirewound, 52.3 Ohm, 1% Tolerance, 20W\u003c\/h3\u003e\n\n\u003cp\u003eThe VISHAY RER50F52R3RC02 is a high-performance wirewound resistor designed for military and established reliability applications. Manufactured in the US, this chassis-mounted resistor features robust construction and precise electrical characteristics suitable for demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAluminum heat sink housing for efficient thermal management\u003c\/li\u003e\n \u003cli\u003eMolded construction provides complete environmental protection\u003c\/li\u003e\n \u003cli\u003eQualified to MIL-PRF-39009 standards\u003c\/li\u003e\n \u003cli\u003eComplete welded construction ensures durability\u003c\/li\u003e\n \u003cli\u003eNon-inductive Ayrton-Perry winding minimizes reactive components\u003c\/li\u003e\n \u003cli\u003eMounts on chassis to utilize heat-sink effect for enhanced cooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eStandard Electrical Specifications\u003c\/th\u003e\n \u003cth\u003e\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating at 25°C\u003c\/td\u003e\n \u003ctd\u003e20 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e1 to 6.04 KΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTolerance\u003c\/td\u003e\n \u003ctd\u003e± 1%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient\u003c\/td\u003e\n \u003ctd\u003e± 100 ppm\/°C for 0.1 Ω to 0.99 Ω; ± 20 ppm\/°C for 20 Ω and above\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≥ 10,000 MΩ dry, ≥ 1,000 MΩ after 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 requirements\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\u003c\/table\u003e\n\n\u003ch3\u003eMechanical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eDimensions (in inches [mm])\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRER50\u003c\/td\u003e\n \u003ctd\u003eA: 0.719 [18.26], B: 0.781 [19.84], C: 1.062 [26.97], D: 1.938 [49.23], E: 0.550 [13.97], F: 1.080 [27.43], G: 0.546 [13.87], H: 0.075 [1.90], J: 0.231 [5.87], K: 0.172 [4.37], L: 0.115 [2.92], M: 0.085 [2.16], N: 0.438 [11.13]\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterial and Construction\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eElement: Copper-nickel or nickel-chrome alloy\u003c\/li\u003e\n \u003cli\u003eCore: Ceramic (steatite or alumina)\u003c\/li\u003e\n \u003cli\u003eEncapsulant: Silicone molded construction\u003c\/li\u003e\n \u003cli\u003eHousing: Aluminum with hard anodic coating\u003c\/li\u003e\n \u003cli\u003eEnd Caps: Stainless steel\u003c\/li\u003e\n \u003cli\u003eStandard Terminals: Tinned Copperweld®\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: RER50F52R3RC02\u003c\/li\u003e\n \u003cli\u003eManufacturer: VISHAY\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: US\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.vishay.com\/doc?30200\" target=\"_blank\"\u003ehttps:\/\/www.vishay.com\/doc?30200\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance and Testing\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTest\u003c\/th\u003e\n \u003cth\u003eConditions of Test\u003c\/th\u003e\n \u003cth\u003eLimits\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLow Temperature Operation\u003c\/td\u003e\n \u003ctd\u003eRated power at -55°C for 15-30 min\u003c\/td\u003e\n \u003ctd\u003e± (0.5 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort Time Overload\u003c\/td\u003e\n \u003ctd\u003e5 x rated power for 5 s\u003c\/td\u003e\n \u003ctd\u003e± (0.3 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n \u003ctd\u003e1000 VRMS (RER40, RER45, RER50, RER60, RER65, RER70), 2000 VRMS (RER55, RER75), 1 min\u003c\/td\u003e\n \u003ctd\u003e± (0.2 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLoad Life\u003c\/td\u003e\n \u003ctd\u003e2000 h at rated power, +25°C, 1.5 h ON \/ 0.5 h OFF\u003c\/td\u003e\n \u003ctd\u003e± (1.0 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eExtended Life\u003c\/td\u003e\n \u003ctd\u003e10,000 h at rated power, +25°C, 1.5 h ON \/ 0.5 h OFF\u003c\/td\u003e\n \u003ctd\u003e± (2.0 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eLegal Disclaimer\u003c\/h3\u003e\n\u003cp\u003eAll product specifications and data are subject to change without notice. Please search the internet for the part number \u003cstrong\u003eRER50F52R3RC02\u003c\/strong\u003e for more detailed information.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2025-08-07T15:54:19+05:30","created_at":"2025-08-07T15:54:19+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["20W","Chassis","RES","Resistors","STD_IMG","VISHA-X","WLDM"],"price":443214,"price_min":443214,"price_max":443214,"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":50559404867901,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"RER50F52R3RC02","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"RER50F52R3RC02","public_title":null,"options":["Default Title"],"price":443214,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"RER50F52R3RC02","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_49e3f8b5-a7ac-4e50-92b4-a47c4eb596a9.jpg?v=1754562259"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_49e3f8b5-a7ac-4e50-92b4-a47c4eb596a9.jpg?v=1754562259","options":["Title"],"media":[{"alt":null,"id":45712538435901,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_49e3f8b5-a7ac-4e50-92b4-a47c4eb596a9.jpg?v=1754562259"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_49e3f8b5-a7ac-4e50-92b4-a47c4eb596a9.jpg?v=1754562259","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eVISHAY RER50F52R3RC02 Resistor - Chassis Mount, Wirewound, 52.3 Ohm, 1% Tolerance, 20W\u003c\/h3\u003e\n\n\u003cp\u003eThe VISHAY RER50F52R3RC02 is a high-performance wirewound resistor designed for military and established reliability applications. Manufactured in the US, this chassis-mounted resistor features robust construction and precise electrical characteristics suitable for demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAluminum heat sink housing for efficient thermal management\u003c\/li\u003e\n \u003cli\u003eMolded construction provides complete environmental protection\u003c\/li\u003e\n \u003cli\u003eQualified to MIL-PRF-39009 standards\u003c\/li\u003e\n \u003cli\u003eComplete welded construction ensures durability\u003c\/li\u003e\n \u003cli\u003eNon-inductive Ayrton-Perry winding minimizes reactive components\u003c\/li\u003e\n \u003cli\u003eMounts on chassis to utilize heat-sink effect for enhanced cooling\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eStandard Electrical Specifications\u003c\/th\u003e\n \u003cth\u003e\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating at 25°C\u003c\/td\u003e\n \u003ctd\u003e20 W\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e1 to 6.04 KΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTolerance\u003c\/td\u003e\n \u003ctd\u003e± 1%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTemperature Coefficient\u003c\/td\u003e\n \u003ctd\u003e± 100 ppm\/°C for 0.1 Ω to 0.99 Ω; ± 20 ppm\/°C for 20 Ω and above\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≥ 10,000 MΩ dry, ≥ 1,000 MΩ after 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 requirements\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\u003c\/table\u003e\n\n\u003ch3\u003eMechanical Dimensions\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003eDimensions (in inches [mm])\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eRER50\u003c\/td\u003e\n \u003ctd\u003eA: 0.719 [18.26], B: 0.781 [19.84], C: 1.062 [26.97], D: 1.938 [49.23], E: 0.550 [13.97], F: 1.080 [27.43], G: 0.546 [13.87], H: 0.075 [1.90], J: 0.231 [5.87], K: 0.172 [4.37], L: 0.115 [2.92], M: 0.085 [2.16], N: 0.438 [11.13]\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMaterial and Construction\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eElement: Copper-nickel or nickel-chrome alloy\u003c\/li\u003e\n \u003cli\u003eCore: Ceramic (steatite or alumina)\u003c\/li\u003e\n \u003cli\u003eEncapsulant: Silicone molded construction\u003c\/li\u003e\n \u003cli\u003eHousing: Aluminum with hard anodic coating\u003c\/li\u003e\n \u003cli\u003eEnd Caps: Stainless steel\u003c\/li\u003e\n \u003cli\u003eStandard Terminals: Tinned Copperweld®\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: RER50F52R3RC02\u003c\/li\u003e\n \u003cli\u003eManufacturer: VISHAY\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: US\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.vishay.com\/doc?30200\" target=\"_blank\"\u003ehttps:\/\/www.vishay.com\/doc?30200\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerformance and Testing\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eTest\u003c\/th\u003e\n \u003cth\u003eConditions of Test\u003c\/th\u003e\n \u003cth\u003eLimits\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLow Temperature Operation\u003c\/td\u003e\n \u003ctd\u003eRated power at -55°C for 15-30 min\u003c\/td\u003e\n \u003ctd\u003e± (0.5 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort Time Overload\u003c\/td\u003e\n \u003ctd\u003e5 x rated power for 5 s\u003c\/td\u003e\n \u003ctd\u003e± (0.3 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Withstanding Voltage\u003c\/td\u003e\n \u003ctd\u003e1000 VRMS (RER40, RER45, RER50, RER60, RER65, RER70), 2000 VRMS (RER55, RER75), 1 min\u003c\/td\u003e\n \u003ctd\u003e± (0.2 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLoad Life\u003c\/td\u003e\n \u003ctd\u003e2000 h at rated power, +25°C, 1.5 h ON \/ 0.5 h OFF\u003c\/td\u003e\n \u003ctd\u003e± (1.0 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eExtended Life\u003c\/td\u003e\n \u003ctd\u003e10,000 h at rated power, +25°C, 1.5 h ON \/ 0.5 h OFF\u003c\/td\u003e\n \u003ctd\u003e± (2.0 % + 0.01 Ω) ΔR\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eLegal Disclaimer\u003c\/h3\u003e\n\u003cp\u003eAll product specifications and data are subject to change without notice. Please search the internet for the part number \u003cstrong\u003eRER50F52R3RC02\u003c\/strong\u003e for more detailed information.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e"}
{
"product_id": 10007660265789,
"variant_id" : 50559404867901,
"variant_available" : true,
"inventory_quantity" : 15,
"inventory_management" : "shopify",
"inventory_policy" : "deny",
"image": "//thinkrobotics.com/cdn/shop/files/fbe811dc-181f-41c1-ab5a-dc3410446d1d_49e3f8b5-a7ac-4e50-92b4-a47c4eb596a9.jpg?v=1754562259",
"price": "443214",
"title": "Default Title",
"value": "Default Title"
}
{
"product_id": "MTAwMDc2NjAyNjU3ODk=",
"variant_id" : "NTA1NTk0MDQ4Njc5MDE=",
"variant_available" : "dHJ1ZQ==",
"inventory_quantity" : "MTU=",
"inventory_management" :"c2hvcGlmeQ==",
"inventory_policy" : "ZGVueQ==",
"image":"JTJGJTJGdGhpbmtyb2JvdGljcy5jb20lMkZjZG4lMkZzaG9wJTJGZmlsZXMlMkZmYmU4MTFkYy0xODFmLTQxYzEtYWI1YS1kYzM0MTA0NDZkMWRfNDllM2Y4YjUtYTdhYy00ZTUwLTkyYjQtYTQ3YzRlYjU5NmE5LmpwZyUzRnYlM0QxNzU0NTYyMjU5",
"price": "NDQzMjE0",
"title": "RGVmYXVsdCtUaXRsZQ==",
"value": "RGVmYXVsdCtUaXRsZQ==",
"variant_options": {"Title": "RGVmYXVsdCtUaXRsZQ=="
}
}
India
---
Australia
Canada
India
Mexico
United Arab Emirates
United States
