Introducing the IRC PFC-W0402LF-03-6491-B, a high-precision, ultra-stable thin film surface-mount resistor designed for demanding electronic applications. Manufactured by TT Electronics, this resistor offers exceptional reliability and environmental resistance, making it ideal for automotive, heavy equipment, and other precision circuitry.
Resistance value: 6.49kΩ (6491 Ohms) with a tolerance of ±0.1% and a temperature coefficient of 25 PPM/°C. Suitable for high-stability applications requiring precise resistance values.
Environmental Performance
Sulfuration Resistance: ±0.02% (typical), ±0.05% (max) after 1000 hours at 105°C dry conditions
Thermal Shock: ±0.02% (typical)
Low Temperature Operation: ±0.01% (typical)
Solder Effects: ±0.01% (typical)
Moisture Resistance: ±0.03% (typical)
Life Testing: ±0.03% (typical)
Additional Details
Construction: Conductors and tantalum nitride resistive element applied to alumina substrate, laser trimmed, epoxy coated, and plated for solderability.
Suitable for environments requiring resistance to sulfur bearing gases and high stability.
Available in reel packaging for automated assembly.
For more detailed specifications and application guidelines, please refer to the datasheet.
Note: The product's specifications are subject to change without notice. Please verify current details before procurement.
{"id":10022521176381,"title":"PFC-W0402LF-03-6491-B","handle":"pfc-w0402lf-03-6491-b","description":"\u003ch3\u003eIRC PFC-W0402LF-03-6491-B Thin Film Resistor - 6.49kΩ, 0.1% Tolerance, 25 PPM\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the IRC PFC-W0402LF-03-6491-B, a high-precision, ultra-stable thin film surface-mount resistor designed for demanding electronic applications. Manufactured by TT Electronics, this resistor offers exceptional reliability and environmental resistance, making it ideal for automotive, heavy equipment, and other precision circuitry.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: PFC-W0402LF-03-6491-B\u003c\/li\u003e\n \u003cli\u003eManufacturer: IRC\/TT ELECTRONICS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/PFC-W0402LF-03-6491-B.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003ePower Rating (70°C)\u003c\/th\u003e\n \u003cth\u003eMax Voltage Rating (P x R)\u003c\/th\u003e\n \u003cth\u003eTemperature Range\u003c\/th\u003e\n \u003cth\u003eESD Sensitivity\u003c\/th\u003e\n \u003cth\u003eNoise\u003c\/th\u003e\n \u003cth\u003eTermination\u003c\/th\u003e\n \u003cth\u003eSubstrate\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW0402\u003c\/td\u003e\n \u003ctd\u003e50mW\u003c\/td\u003e\n \u003ctd\u003e75V\u003c\/td\u003e\n \u003ctd\u003e-65°C to +150°C\u003c\/td\u003e\n \u003ctd\u003e2KV to 4KV (HBM)\u003c\/td\u003e\n \u003ctd\u003e\u0026lt;-25dB\u003c\/td\u003e\n \u003ctd\u003e100% matte tin plated over nickel barrier\u003c\/td\u003e\n \u003ctd\u003e96.5% Alumina\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical Data\u003c\/h3\u003e\n\u003cp\u003eResistance value: 6.49kΩ (6491 Ohms) with a tolerance of ±0.1% and a temperature coefficient of 25 PPM\/°C. Suitable for high-stability applications requiring precise resistance values.\u003c\/p\u003e\n\n\u003ch3\u003eEnvironmental Performance\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSulfuration Resistance: ±0.02% (typical), ±0.05% (max) after 1000 hours at 105°C dry conditions\u003c\/li\u003e\n \u003cli\u003eThermal Shock: ±0.02% (typical)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.01% (typical)\u003c\/li\u003e\n \u003cli\u003eSolder Effects: ±0.01% (typical)\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.03% (typical)\u003c\/li\u003e\n \u003cli\u003eLife Testing: ±0.03% (typical)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eConstruction: Conductors and tantalum nitride resistive element applied to alumina substrate, laser trimmed, epoxy coated, and plated for solderability.\u003c\/li\u003e\n \u003cli\u003eSuitable for environments requiring resistance to sulfur bearing gases and high stability.\u003c\/li\u003e\n \u003cli\u003eAvailable in reel packaging for automated assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/PFC-W0402LF-03-6491-B.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The product's specifications are subject to change without notice. Please verify current details before procurement.\u003c\/p\u003e","published_at":"2025-08-13T10:38:44+05:30","created_at":"2025-08-13T10:38:44+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IRC-TTEL","SMD","WLDM"],"price":2148,"price_min":2148,"price_max":2148,"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":50614682943805,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PFC-W0402LF-03-6491-B","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PFC-W0402LF-03-6491-B","public_title":null,"options":["Default Title"],"price":2148,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PFC-W0402LF-03-6491-B","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W0402LF-03-6491-B_56949041_190a0b56.jpg?v=1755061728"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W0402LF-03-6491-B_56949041_190a0b56.jpg?v=1755061728","options":["Title"],"media":[{"alt":null,"id":45814177792317,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W0402LF-03-6491-B_56949041_190a0b56.jpg?v=1755061728"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/PFC-W0402LF-03-6491-B_56949041_190a0b56.jpg?v=1755061728","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eIRC PFC-W0402LF-03-6491-B Thin Film Resistor - 6.49kΩ, 0.1% Tolerance, 25 PPM\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the IRC PFC-W0402LF-03-6491-B, a high-precision, ultra-stable thin film surface-mount resistor designed for demanding electronic applications. Manufactured by TT Electronics, this resistor offers exceptional reliability and environmental resistance, making it ideal for automotive, heavy equipment, and other precision circuitry.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: PFC-W0402LF-03-6491-B\u003c\/li\u003e\n \u003cli\u003eManufacturer: IRC\/TT ELECTRONICS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: CN\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/PFC-W0402LF-03-6491-B.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003ctr\u003e\n \u003cth\u003eModel\u003c\/th\u003e\n \u003cth\u003ePower Rating (70°C)\u003c\/th\u003e\n \u003cth\u003eMax Voltage Rating (P x R)\u003c\/th\u003e\n \u003cth\u003eTemperature Range\u003c\/th\u003e\n \u003cth\u003eESD Sensitivity\u003c\/th\u003e\n \u003cth\u003eNoise\u003c\/th\u003e\n \u003cth\u003eTermination\u003c\/th\u003e\n \u003cth\u003eSubstrate\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eW0402\u003c\/td\u003e\n \u003ctd\u003e50mW\u003c\/td\u003e\n \u003ctd\u003e75V\u003c\/td\u003e\n \u003ctd\u003e-65°C to +150°C\u003c\/td\u003e\n \u003ctd\u003e2KV to 4KV (HBM)\u003c\/td\u003e\n \u003ctd\u003e\u0026lt;-25dB\u003c\/td\u003e\n \u003ctd\u003e100% matte tin plated over nickel barrier\u003c\/td\u003e\n \u003ctd\u003e96.5% Alumina\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eElectrical Data\u003c\/h3\u003e\n\u003cp\u003eResistance value: 6.49kΩ (6491 Ohms) with a tolerance of ±0.1% and a temperature coefficient of 25 PPM\/°C. Suitable for high-stability applications requiring precise resistance values.\u003c\/p\u003e\n\n\u003ch3\u003eEnvironmental Performance\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSulfuration Resistance: ±0.02% (typical), ±0.05% (max) after 1000 hours at 105°C dry conditions\u003c\/li\u003e\n \u003cli\u003eThermal Shock: ±0.02% (typical)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.01% (typical)\u003c\/li\u003e\n \u003cli\u003eSolder Effects: ±0.01% (typical)\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.03% (typical)\u003c\/li\u003e\n \u003cli\u003eLife Testing: ±0.03% (typical)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eConstruction: Conductors and tantalum nitride resistive element applied to alumina substrate, laser trimmed, epoxy coated, and plated for solderability.\u003c\/li\u003e\n \u003cli\u003eSuitable for environments requiring resistance to sulfur bearing gases and high stability.\u003c\/li\u003e\n \u003cli\u003eAvailable in reel packaging for automated assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/PFC-W0402LF-03-6491-B.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The product's specifications are subject to change without notice. Please verify current details before procurement.\u003c\/p\u003e"}
