Introducing the OHMITE MANUFACTURING D75K400 Wirewound Resistor, designed for high-power applications with exceptional durability and reliability. This chassis mount resistor is rated at 75 watts and features a resistance of 400 ohms with a tolerance of ±10%. Manufactured in Mexico, this product is ideal for demanding electronic circuits requiring precise and robust resistance solutions.
Key Features
Power rating: 75 watts based on 25°C free air rating, with derating considerations for high resistance values
Resistance: 400 ohms with ±10% tolerance (K)
Terminals suitable for soldering or bolt connection, with a solder coated radial lug
Adjustable lug supplied, with optional thumb-screw adjustment (Part No. 2160) for 1.125” core resistors
All-welded construction for enhanced durability
Lead-free vitreous enamel coating providing flame resistance and ruggedness
RoHS compliant product available (add “E” suffix to part number)
Overload capacity: 10 times rated wattage for 5 seconds
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{"id":10011656945981,"title":"D75K400","handle":"d75k400","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eIntroducing the OHMITE MANUFACTURING D75K400 Wirewound Resistor, designed for high-power applications with exceptional durability and reliability. This chassis mount resistor is rated at 75 watts and features a resistance of 400 ohms with a tolerance of ±10%. Manufactured in Mexico, this product is ideal for demanding electronic circuits requiring precise and robust resistance solutions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePower rating: 75 watts based on 25°C free air rating, with derating considerations for high resistance values\u003c\/li\u003e\n \u003cli\u003eResistance: 400 ohms with ±10% tolerance (K)\u003c\/li\u003e\n \u003cli\u003eTerminals suitable for soldering or bolt connection, with a solder coated radial lug\u003c\/li\u003e\n \u003cli\u003eAdjustable lug supplied, with optional thumb-screw adjustment (Part No. 2160) for 1.125” core resistors\u003c\/li\u003e\n \u003cli\u003eAll-welded construction for enhanced durability\u003c\/li\u003e\n \u003cli\u003eLead-free vitreous enamel coating providing flame resistance and ruggedness\u003c\/li\u003e\n \u003cli\u003eRoHS compliant product available (add “E” suffix to part number)\u003c\/li\u003e\n \u003cli\u003eOverload capacity: 10 times rated wattage for 5 seconds\u003c\/li\u003e\n \u003cli\u003eTemperature coefficient: ±260 ppm\/°C\u003c\/li\u003e\n \u003cli\u003eDielectric withstanding voltage: 1000 VAC (12-100W), 3000 VAC (175-225W)\u003c\/li\u003e\n \u003cli\u003eSuitable for high wattage applications with adjustable resistance settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical\u003c\/th\u003e\n \u003ctd\u003eLinearly derates from 100% at +25°C to 0% at +350°C. Power proportional to adjusted resistance value. Use the formula √P\/R to calculate maximum amps.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eAdjustability\u003c\/th\u003e\n \u003ctd\u003eAdjustable from 10% to 90% of full value. Wattage adjusts proportionally.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaterial\u003c\/th\u003e\n \u003ctd\u003eCoating: Lead-free vitreous enamel\u003cbr\u003eCore: Tubular ceramic\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePower Limitations for High Resistance Values\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003e12W: up to 4,500Ω (derate by 25% for higher ratings)\u003c\/li\u003e\n \u003cli\u003e25W: up to 9,000Ω\u003c\/li\u003e\n \u003cli\u003e50W: up to 20,000Ω\u003c\/li\u003e\n \u003cli\u003e75W: up to 35,000Ω\u003c\/li\u003e\n \u003cli\u003e100W: up to 50,000Ω\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: BOX\u003c\/li\u003e\n \u003cli\u003ePart Number: D75K400\u003c\/li\u003e\n \u003cli\u003eManufacturer: OHMITE MANUFACTURING\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: MX\u003c\/li\u003e\n \u003cli\u003eUOM: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-oi\/oi-d75k400.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-10T02:22:22+05:30","created_at":"2025-08-10T02:22:22+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","OHMIT","Wire","WLDM"],"price":351744,"price_min":351744,"price_max":351744,"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":50570421600573,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"D75K400","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"D75K400","public_title":null,"options":["Default Title"],"price":351744,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"D75K400","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/D75K400_12027178_e440696c.jpg?v=1754772746"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/D75K400_12027178_e440696c.jpg?v=1754772746","options":["Title"],"media":[{"alt":null,"id":45752953733437,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/D75K400_12027178_e440696c.jpg?v=1754772746"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/D75K400_12027178_e440696c.jpg?v=1754772746","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eIntroducing the OHMITE MANUFACTURING D75K400 Wirewound Resistor, designed for high-power applications with exceptional durability and reliability. This chassis mount resistor is rated at 75 watts and features a resistance of 400 ohms with a tolerance of ±10%. Manufactured in Mexico, this product is ideal for demanding electronic circuits requiring precise and robust resistance solutions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePower rating: 75 watts based on 25°C free air rating, with derating considerations for high resistance values\u003c\/li\u003e\n \u003cli\u003eResistance: 400 ohms with ±10% tolerance (K)\u003c\/li\u003e\n \u003cli\u003eTerminals suitable for soldering or bolt connection, with a solder coated radial lug\u003c\/li\u003e\n \u003cli\u003eAdjustable lug supplied, with optional thumb-screw adjustment (Part No. 2160) for 1.125” core resistors\u003c\/li\u003e\n \u003cli\u003eAll-welded construction for enhanced durability\u003c\/li\u003e\n \u003cli\u003eLead-free vitreous enamel coating providing flame resistance and ruggedness\u003c\/li\u003e\n \u003cli\u003eRoHS compliant product available (add “E” suffix to part number)\u003c\/li\u003e\n \u003cli\u003eOverload capacity: 10 times rated wattage for 5 seconds\u003c\/li\u003e\n \u003cli\u003eTemperature coefficient: ±260 ppm\/°C\u003c\/li\u003e\n \u003cli\u003eDielectric withstanding voltage: 1000 VAC (12-100W), 3000 VAC (175-225W)\u003c\/li\u003e\n \u003cli\u003eSuitable for high wattage applications with adjustable resistance settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eElectrical\u003c\/th\u003e\n \u003ctd\u003eLinearly derates from 100% at +25°C to 0% at +350°C. Power proportional to adjusted resistance value. Use the formula √P\/R to calculate maximum amps.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eAdjustability\u003c\/th\u003e\n \u003ctd\u003eAdjustable from 10% to 90% of full value. Wattage adjusts proportionally.\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003eMaterial\u003c\/th\u003e\n \u003ctd\u003eCoating: Lead-free vitreous enamel\u003cbr\u003eCore: Tubular ceramic\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003cth\u003ePower Limitations for High Resistance Values\u003c\/th\u003e\n \u003ctd\u003e\n \u003cul\u003e\n \u003cli\u003e12W: up to 4,500Ω (derate by 25% for higher ratings)\u003c\/li\u003e\n \u003cli\u003e25W: up to 9,000Ω\u003c\/li\u003e\n \u003cli\u003e50W: up to 20,000Ω\u003c\/li\u003e\n \u003cli\u003e75W: up to 35,000Ω\u003c\/li\u003e\n \u003cli\u003e100W: up to 50,000Ω\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePackage Type: BOX\u003c\/li\u003e\n \u003cli\u003ePart Number: D75K400\u003c\/li\u003e\n \u003cli\u003eManufacturer: OHMITE MANUFACTURING\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: MX\u003c\/li\u003e\n \u003cli\u003eUOM: EA\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-oi\/oi-d75k400.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e"}