OHMITE MANUFACTURING TK20P40R0JE Thick Film Resistor - Through Hole, 20W, 40Ω
The OHMITE MANUFACTURING TK20P40R0JE is a high-performance thick film power resistor designed for demanding electronic applications. Manufactured in Mexico, this resistor features a robust through-hole package suitable for heat sinkable configurations, ensuring reliable operation in high-power environments.
Product Features
Power Rating: 20W (heat-sink dependent; must be attached to a proper heat sink for full power rating)
Resistance: 40Ω with tolerances of 1%, 2%, or 5%
Maximum Working Voltage: 150V for 3KΩ-10KΩ range; proportional to resistance for lower values
Maximum Working Current: Up to 10A depending on resistance value
Thermal Resistance: <6.25°C/W (Rth)
RoHS Compliant: Yes
Package Type: Tube
Material: Thick film resistive element with tin-plated copper terminals
Heatsink Plate: Black anodized aluminum
Designed for use with proper heatsinking; maximum case temperature cannot exceed 150°C
This product has been discontinued as of May 2013. It is recommended to review the datasheet for detailed mounting and application instructions. Proper heatsinking is essential for optimal performance. The maximum base plate temperature must be monitored to ensure safe operation.
For detailed technical specifications, please refer to the datasheet.
Part Number: TK20P40R0JE
Manufacturer: OHMITE MANUFACTURING
Country of Origin: MX
UOM: EA
ECCN: EAR99
Package Type: TUBE
{"id":10024602960189,"title":"TK20P40R0JE","handle":"tk20p40r0je","description":"\u003ch3\u003eOHMITE MANUFACTURING TK20P40R0JE Thick Film Resistor - Through Hole, 20W, 40Ω\u003c\/h3\u003e\n\n\u003cp\u003eThe OHMITE MANUFACTURING TK20P40R0JE is a high-performance thick film power resistor designed for demanding electronic applications. Manufactured in Mexico, this resistor features a robust through-hole package suitable for heat sinkable configurations, ensuring reliable operation in high-power environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePower Rating: 20W (heat-sink dependent; must be attached to a proper heat sink for full power rating)\u003c\/li\u003e\n \u003cli\u003eResistance: 40Ω with tolerances of 1%, 2%, or 5%\u003c\/li\u003e\n \u003cli\u003eMaximum Working Voltage: 150V for 3KΩ-10KΩ range; proportional to resistance for lower values\u003c\/li\u003e\n \u003cli\u003eMaximum Working Current: Up to 10A depending on resistance value\u003c\/li\u003e\n \u003cli\u003eThermal Resistance: \u0026lt;6.25°C\/W (Rth)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003ePackage Type: Tube\u003c\/li\u003e\n \u003cli\u003eMaterial: Thick film resistive element with tin-plated copper terminals\u003c\/li\u003e\n \u003cli\u003eHeatsink Plate: Black anodized aluminum\u003c\/li\u003e\n \u003cli\u003eDesigned for use with proper heatsinking; maximum case temperature cannot exceed 150°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003ctd\u003e10mΩ - 10KΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePower Rating\u003c\/th\u003e\n \u003ctd\u003e20W (dependent on heatsinking)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003ctd\u003e5%, 1%, 2%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMax. Working Voltage\u003c\/th\u003e\n \u003ctd\u003e0.01Ω-1KΩ: √20*R; 3KΩ-10KΩ: 150V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMax. Working Current\u003c\/th\u003e\n \u003ctd\u003e0.01Ω-0.1Ω: 10A; 0.3Ω-10KΩ: √20\/R\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTCR\u003c\/th\u003e\n \u003ctd\u003e±300ppm (0.01Ω-0.1Ω), ±200ppm (0.3Ω-10KΩ), ±50ppm (4Ω-10KΩ)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eThermal Resistance, Rth\u003c\/th\u003e\n \u003ctd\u003e\u0026lt;6.25°C\/W\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDiameter: 0.177\" (4.57mm)\u003c\/li\u003e\n \u003cli\u003eRadius tapped for 6-32 screw\u003c\/li\u003e\n \u003cli\u003eHeight: 0.394\" (10mm)\u003c\/li\u003e\n \u003cli\u003eAdditional dimensions: 0.240\" (6.10mm), 0.320\" (8.12mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product has been discontinued as of May 2013. It is recommended to review the datasheet for detailed mounting and application instructions. Proper heatsinking is essential for optimal performance. The maximum base plate temperature must be monitored to ensure safe operation.\u003c\/p\u003e\n\n\u003cp\u003eFor detailed technical specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-oi\/res_tk_tn.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003ePart Number: TK20P40R0JE\u003cbr\u003e\nManufacturer: OHMITE MANUFACTURING\u003cbr\u003e\nCountry of Origin: MX\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: TUBE\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T08:46:20+05:30","created_at":"2025-08-14T08:46:21+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["IMPORT_CSV","OHMIT","Resistors","WLDM"],"price":40607,"price_min":40607,"price_max":40607,"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":50618685194557,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"TK20P40R0JE","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"TK20P40R0JE","public_title":null,"options":["Default Title"],"price":40607,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"TK20P40R0JE","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/TK20P40R0JE_12037791_8acaba6a.jpg?v=1755141384"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TK20P40R0JE_12037791_8acaba6a.jpg?v=1755141384","options":["Title"],"media":[{"alt":null,"id":45830470304061,"position":1,"preview_image":{"aspect_ratio":1.35,"height":200,"width":270,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TK20P40R0JE_12037791_8acaba6a.jpg?v=1755141384"},"aspect_ratio":1.35,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TK20P40R0JE_12037791_8acaba6a.jpg?v=1755141384","width":270}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eOHMITE MANUFACTURING TK20P40R0JE Thick Film Resistor - Through Hole, 20W, 40Ω\u003c\/h3\u003e\n\n\u003cp\u003eThe OHMITE MANUFACTURING TK20P40R0JE is a high-performance thick film power resistor designed for demanding electronic applications. Manufactured in Mexico, this resistor features a robust through-hole package suitable for heat sinkable configurations, ensuring reliable operation in high-power environments.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePower Rating: 20W (heat-sink dependent; must be attached to a proper heat sink for full power rating)\u003c\/li\u003e\n \u003cli\u003eResistance: 40Ω with tolerances of 1%, 2%, or 5%\u003c\/li\u003e\n \u003cli\u003eMaximum Working Voltage: 150V for 3KΩ-10KΩ range; proportional to resistance for lower values\u003c\/li\u003e\n \u003cli\u003eMaximum Working Current: Up to 10A depending on resistance value\u003c\/li\u003e\n \u003cli\u003eThermal Resistance: \u0026lt;6.25°C\/W (Rth)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003ePackage Type: Tube\u003c\/li\u003e\n \u003cli\u003eMaterial: Thick film resistive element with tin-plated copper terminals\u003c\/li\u003e\n \u003cli\u003eHeatsink Plate: Black anodized aluminum\u003c\/li\u003e\n \u003cli\u003eDesigned for use with proper heatsinking; maximum case temperature cannot exceed 150°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Mechanical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eResistance Range\u003c\/th\u003e\n \u003ctd\u003e10mΩ - 10KΩ\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePower Rating\u003c\/th\u003e\n \u003ctd\u003e20W (dependent on heatsinking)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTolerance\u003c\/th\u003e\n \u003ctd\u003e5%, 1%, 2%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMax. Working Voltage\u003c\/th\u003e\n \u003ctd\u003e0.01Ω-1KΩ: √20*R; 3KΩ-10KΩ: 150V\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMax. Working Current\u003c\/th\u003e\n \u003ctd\u003e0.01Ω-0.1Ω: 10A; 0.3Ω-10KΩ: √20\/R\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eTCR\u003c\/th\u003e\n \u003ctd\u003e±300ppm (0.01Ω-0.1Ω), ±200ppm (0.3Ω-10KΩ), ±50ppm (4Ω-10KΩ)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eThermal Resistance, Rth\u003c\/th\u003e\n \u003ctd\u003e\u0026lt;6.25°C\/W\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePhysical Dimensions\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eDiameter: 0.177\" (4.57mm)\u003c\/li\u003e\n \u003cli\u003eRadius tapped for 6-32 screw\u003c\/li\u003e\n \u003cli\u003eHeight: 0.394\" (10mm)\u003c\/li\u003e\n \u003cli\u003eAdditional dimensions: 0.240\" (6.10mm), 0.320\" (8.12mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis product has been discontinued as of May 2013. It is recommended to review the datasheet for detailed mounting and application instructions. Proper heatsinking is essential for optimal performance. The maximum base plate temperature must be monitored to ensure safe operation.\u003c\/p\u003e\n\n\u003cp\u003eFor detailed technical specifications, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-oi\/res_tk_tn.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003ePart Number: TK20P40R0JE\u003cbr\u003e\nManufacturer: OHMITE MANUFACTURING\u003cbr\u003e\nCountry of Origin: MX\u003cbr\u003e\nUOM: EA\u003cbr\u003e\nECCN: EAR99\u003cbr\u003e\nPackage Type: TUBE\u003c\/p\u003e\u003cbr\u003e"}
