The OHMITE MANUFACTURING Wirewound Resistor (Part Number: 41F39RE) is a high-quality through-hole resistor designed for reliable performance in various electrical and electronic applications. Manufactured in Mexico, this resistor features a conformal silicone-ceramic coating and axial copper terminals, ensuring durability and stability under demanding conditions.
Key Features
Economical design suitable for commercial, industrial, and communication equipment
High stability under elevated temperatures
All-welded construction for enhanced durability
RoHS compliant (add “E” suffix to part number to specify)
Conformal silicone-ceramic coating for thermal shock resistance
Linearly derates from 100% at +25°C to 0% at +275°C
Specifications
Series
Wattage
Resistance (Ohms)
Voltage
41
1.0W
39Ω (±1%)
0.10-6K
42
2.0W
41Ω (±1%)
0.10-8K
43
3.0W
43Ω (±1%)
0.10-20K
45
5.0W
45Ω (±1%)
0.10-70K
47
7.0W
47Ω (±1%)
0.10-80K
40
10.0W
40Ω (±1%)
0.10-150K
Electrical and Mechanical Characteristics
Coating: Conformal silicone-ceramic
Core: Ceramic
Terminals: Solder-coated copper clad axial
Power Rating: Based on 25°C free air rating
Temperature Coefficient: Under 1Ω: ±90 ppm/°C; 1Ω to 9.99Ω: ±50 ppm/°C; 10Ω and over: ±20 ppm/°C
Operating Temperature Range: -55°C to 275°C
Dimensions (max):
Series 41: Length 0.437 in (11.1 mm), Diameter 0.125 in (3.2 mm), Lead gauge 24
Series 42: Length 0.406 in (10.3 mm), Diameter 0.219 in (5.6 mm), Lead gauge 20
Series 43: Length 0.593 in (15.1 mm), Diameter 0.219 in (5.6 mm), Lead gauge 20
Series 45: Length 0.937 in (23.8 mm), Diameter 0.343 in (8.7 mm), Lead gauge 18
Series 47: Length 1.280 in (32.5 mm), Diameter 0.343 in (8.7 mm), Lead gauge 18
Series 40: Length 1.900 in (48.3 mm), Diameter 0.406 in (10.3 mm), Lead gauge 18
For more detailed specifications and technical data, please refer to the datasheet linked above. The datasheet was not processed; please search the internet for the part number 41F39RE for additional information.
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{"id":10014624121149,"title":"41F39RE","handle":"41f39re","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOHMITE MANUFACTURING\u003c\/strong\u003e Wirewound Resistor (Part Number: 41F39RE) is a high-quality through-hole resistor designed for reliable performance in various electrical and electronic applications. Manufactured in Mexico, this resistor features a conformal silicone-ceramic coating and axial copper terminals, ensuring durability and stability under demanding conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEconomical design suitable for commercial, industrial, and communication equipment\u003c\/li\u003e\n\u003cli\u003eHigh stability under elevated temperatures\u003c\/li\u003e\n\u003cli\u003eAll-welded construction for enhanced durability\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (add “E” suffix to part number to specify)\u003c\/li\u003e\n\u003cli\u003eConformal silicone-ceramic coating for thermal shock resistance\u003c\/li\u003e\n\u003cli\u003eLinearly derates from 100% at +25°C to 0% at +275°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eWattage\u003c\/th\u003e\n\u003cth\u003eResistance (Ohms)\u003c\/th\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e41\u003c\/td\u003e\n\u003ctd\u003e1.0W\u003c\/td\u003e\n\u003ctd\u003e39Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-6K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e2.0W\u003c\/td\u003e\n\u003ctd\u003e41Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-8K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e3.0W\u003c\/td\u003e\n\u003ctd\u003e43Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-20K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e5.0W\u003c\/td\u003e\n\u003ctd\u003e45Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-70K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e47\u003c\/td\u003e\n\u003ctd\u003e7.0W\u003c\/td\u003e\n\u003ctd\u003e47Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-80K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e10.0W\u003c\/td\u003e\n\u003ctd\u003e40Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-150K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCoating: Conformal silicone-ceramic\u003c\/li\u003e\n\u003cli\u003eCore: Ceramic\u003c\/li\u003e\n\u003cli\u003eTerminals: Solder-coated copper clad axial\u003c\/li\u003e\n\u003cli\u003ePower Rating: Based on 25°C free air rating\u003c\/li\u003e\n\u003cli\u003eTemperature Coefficient: Under 1Ω: ±90 ppm\/°C; 1Ω to 9.99Ω: ±50 ppm\/°C; 10Ω and over: ±20 ppm\/°C\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -55°C to 275°C\u003c\/li\u003e\n\u003cli\u003eDimensions (max):\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eSeries 41: Length 0.437 in (11.1 mm), Diameter 0.125 in (3.2 mm), Lead gauge 24\u003c\/li\u003e\n\u003cli\u003eSeries 42: Length 0.406 in (10.3 mm), Diameter 0.219 in (5.6 mm), Lead gauge 20\u003c\/li\u003e\n\u003cli\u003eSeries 43: Length 0.593 in (15.1 mm), Diameter 0.219 in (5.6 mm), Lead gauge 20\u003c\/li\u003e\n\u003cli\u003eSeries 45: Length 0.937 in (23.8 mm), Diameter 0.343 in (8.7 mm), Lead gauge 18\u003c\/li\u003e\n\u003cli\u003eSeries 47: Length 1.280 in (32.5 mm), Diameter 0.343 in (8.7 mm), Lead gauge 18\u003c\/li\u003e\n\u003cli\u003eSeries 40: Length 1.900 in (48.3 mm), Diameter 0.406 in (10.3 mm), Lead gauge 18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eWattage \u0026amp; Tolerance\u003c\/th\u003e\n\u003cth\u003ePart Number Prefix\u003c\/th\u003e\n\u003cth\u003eResistance Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1% (F), 5% (J)\u003c\/td\u003e\n\u003ctd\u003eOHMITE\u003c\/td\u003e\n\u003ctd\u003eR10, R15, R20, R25, R30, R33, R40, R50, R75, R100, R120, R150, R180, R200, R220, R250, R270, R300, R330, R340, R350, R390, R400, R470, R500, R560, R600, R680, R750, R800, R820, R900, R1K0, R1K2, R1K5, R1K8, R2K0, R2K2, R3K0, R3K3, R3K5, R3K9, R4K0, R4K5, R4K7, R5K0, R6K0, R6K8, R7K0, R7K5, R8K0, R9K0, R10K, R12K, R15K, R18K, R20K, R22K, R25K, R30K, R33K, R35K, R39K, R40K, R50K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n\u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-oi\/oi-41f39re.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and technical data, please refer to the datasheet linked above. The datasheet was not processed; please search the internet for the part number 41F39RE for additional information.\u003c\/p\u003e","published_at":"2025-08-11T01:49:32+05:30","created_at":"2025-08-11T01:49:33+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["IMPORT_CSV","OHMIT","Resistors","Wire","WLDM"],"price":28688,"price_min":28688,"price_max":28688,"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":50582824976701,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"41F39RE","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"41F39RE","public_title":null,"options":["Default Title"],"price":28688,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"41F39RE","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/41F39RE_12021133_bf4ea970.jpg?v=1754857176"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/41F39RE_12021133_bf4ea970.jpg?v=1754857176","options":["Title"],"media":[{"alt":null,"id":45768732213565,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/41F39RE_12021133_bf4ea970.jpg?v=1754857176"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/41F39RE_12021133_bf4ea970.jpg?v=1754857176","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOHMITE MANUFACTURING\u003c\/strong\u003e Wirewound Resistor (Part Number: 41F39RE) is a high-quality through-hole resistor designed for reliable performance in various electrical and electronic applications. Manufactured in Mexico, this resistor features a conformal silicone-ceramic coating and axial copper terminals, ensuring durability and stability under demanding conditions.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEconomical design suitable for commercial, industrial, and communication equipment\u003c\/li\u003e\n\u003cli\u003eHigh stability under elevated temperatures\u003c\/li\u003e\n\u003cli\u003eAll-welded construction for enhanced durability\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (add “E” suffix to part number to specify)\u003c\/li\u003e\n\u003cli\u003eConformal silicone-ceramic coating for thermal shock resistance\u003c\/li\u003e\n\u003cli\u003eLinearly derates from 100% at +25°C to 0% at +275°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003cth\u003eWattage\u003c\/th\u003e\n\u003cth\u003eResistance (Ohms)\u003c\/th\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e41\u003c\/td\u003e\n\u003ctd\u003e1.0W\u003c\/td\u003e\n\u003ctd\u003e39Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-6K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e42\u003c\/td\u003e\n\u003ctd\u003e2.0W\u003c\/td\u003e\n\u003ctd\u003e41Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-8K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e43\u003c\/td\u003e\n\u003ctd\u003e3.0W\u003c\/td\u003e\n\u003ctd\u003e43Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-20K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e45\u003c\/td\u003e\n\u003ctd\u003e5.0W\u003c\/td\u003e\n\u003ctd\u003e45Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-70K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e47\u003c\/td\u003e\n\u003ctd\u003e7.0W\u003c\/td\u003e\n\u003ctd\u003e47Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-80K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e40\u003c\/td\u003e\n\u003ctd\u003e10.0W\u003c\/td\u003e\n\u003ctd\u003e40Ω (±1%)\u003c\/td\u003e\n\u003ctd\u003e0.10-150K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eElectrical and Mechanical Characteristics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCoating: Conformal silicone-ceramic\u003c\/li\u003e\n\u003cli\u003eCore: Ceramic\u003c\/li\u003e\n\u003cli\u003eTerminals: Solder-coated copper clad axial\u003c\/li\u003e\n\u003cli\u003ePower Rating: Based on 25°C free air rating\u003c\/li\u003e\n\u003cli\u003eTemperature Coefficient: Under 1Ω: ±90 ppm\/°C; 1Ω to 9.99Ω: ±50 ppm\/°C; 10Ω and over: ±20 ppm\/°C\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: -55°C to 275°C\u003c\/li\u003e\n\u003cli\u003eDimensions (max):\u003c\/li\u003e\n\u003cul\u003e\n\u003cli\u003eSeries 41: Length 0.437 in (11.1 mm), Diameter 0.125 in (3.2 mm), Lead gauge 24\u003c\/li\u003e\n\u003cli\u003eSeries 42: Length 0.406 in (10.3 mm), Diameter 0.219 in (5.6 mm), Lead gauge 20\u003c\/li\u003e\n\u003cli\u003eSeries 43: Length 0.593 in (15.1 mm), Diameter 0.219 in (5.6 mm), Lead gauge 20\u003c\/li\u003e\n\u003cli\u003eSeries 45: Length 0.937 in (23.8 mm), Diameter 0.343 in (8.7 mm), Lead gauge 18\u003c\/li\u003e\n\u003cli\u003eSeries 47: Length 1.280 in (32.5 mm), Diameter 0.343 in (8.7 mm), Lead gauge 18\u003c\/li\u003e\n\u003cli\u003eSeries 40: Length 1.900 in (48.3 mm), Diameter 0.406 in (10.3 mm), Lead gauge 18\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eWattage \u0026amp; Tolerance\u003c\/th\u003e\n\u003cth\u003ePart Number Prefix\u003c\/th\u003e\n\u003cth\u003eResistance Value\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1% (F), 5% (J)\u003c\/td\u003e\n\u003ctd\u003eOHMITE\u003c\/td\u003e\n\u003ctd\u003eR10, R15, R20, R25, R30, R33, R40, R50, R75, R100, R120, R150, R180, R200, R220, R250, R270, R300, R330, R340, R350, R390, R400, R470, R500, R560, R600, R680, R750, R800, R820, R900, R1K0, R1K2, R1K5, R1K8, R2K0, R2K2, R3K0, R3K3, R3K5, R3K9, R4K0, R4K5, R4K7, R5K0, R6K0, R6K8, R7K0, R7K5, R8K0, R9K0, R10K, R12K, R15K, R18K, R20K, R22K, R25K, R30K, R33K, R35K, R39K, R40K, R50K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: BLK\u003c\/li\u003e\n\u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-oi\/oi-41f39re.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and technical data, please refer to the datasheet linked above. The datasheet was not processed; please search the internet for the part number 41F39RE for additional information.\u003c\/p\u003e"}
