Introducing the high-precision IRC W0805LF034992B-R1 Thin Film Resistor, designed for demanding electronic applications requiring exceptional stability and reliability. Manufactured by IRC/TT ELECTRONICS in Taiwan, this surface-mount device offers superior performance in a compact package.
This resistor series is part of the PFC Special Series, utilizing Tantalum Nitride film technology for long-term stability and reliability. Suitable for automotive, heavy equipment, and harsh environment applications where precision and anti-sulfuration characteristics are critical.
For more detailed specifications and ordering options, please refer to the datasheet.
Note: The datasheet was not processed; please search the internet for the part number for more details.
{"id":10049875542333,"title":"W0805LF034992B-R1","handle":"w0805lf034992b-r1-1","description":"\u003ch3\u003eIRC W0805LF034992B-R1 Thin Film Resistor - SMD 49.9K Ohm, 0.1%, 25PPM, 1\/4W\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the high-precision IRC W0805LF034992B-R1 Thin Film Resistor, designed for demanding electronic applications requiring exceptional stability and reliability. Manufactured by IRC\/TT ELECTRONICS in Taiwan, this surface-mount device offers superior performance in a compact package.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: W0805LF034992B-R1\u003c\/li\u003e\n \u003cli\u003eManufacturer: IRC\/TT ELECTRONICS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Taiwan (TW)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0805LF034992B-R1.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance Value: 49.9KΩ\u003c\/li\u003e\n \u003cli\u003eTolerance: ±0.1%\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: 25PPM\/°C\u003c\/li\u003e\n \u003cli\u003ePower Rating: 1\/4W (250mW) at 70°C\u003c\/li\u003e\n \u003cli\u003eMaximum Voltage: 100V\u003c\/li\u003e\n \u003cli\u003eSize: 0805 (2012 metric)\u003c\/li\u003e\n \u003cli\u003eTermination: RoHS compliant matte tin plated over nickel barrier\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Environmental Performance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\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 \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eW0805\u003c\/td\u003e\n \u003ctd\u003e250mW\u003c\/td\u003e\n \u003ctd\u003e100V\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\u003eMatte tin plated over nickel barrier\u003c\/td\u003e\n \u003ctd\u003e99.5% Alumina\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental Durability\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSulfuration Resistance: ±0.02% (typical) in ASTM B-809 105°C Dry, 1000 Hours\u003c\/li\u003e\n \u003cli\u003eThermal Shock: ±0.02% (MIL-PRF-55342)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.01%\u003c\/li\u003e\n \u003cli\u003eSolder Effects: ±0.01%\u003c\/li\u003e\n \u003cli\u003eHigh Temperature Exposure: ±0.03%\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.03%\u003c\/li\u003e\n \u003cli\u003eLife Testing: ±0.03%\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis resistor series is part of the PFC Special Series, utilizing Tantalum Nitride film technology for long-term stability and reliability. Suitable for automotive, heavy equipment, and harsh environment applications where precision and anti-sulfuration characteristics are critical.\u003c\/p\u003e\n\n\u003cp\u003eFor more detailed specifications and ordering options, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0805LF034992B-R1.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-09-05T01:41:23+05:30","created_at":"2025-09-05T01:41:23+05:30","vendor":"Waldom Electonics","type":"","tags":["4W","IRC-TTEL","SMD","WLDM"],"price":3673,"price_min":3673,"price_max":3673,"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":50709087879485,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"W0805LF034992B-R1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"W0805LF034992B-R1","public_title":null,"options":["Default Title"],"price":3673,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"W0805LF034992B-R1","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/W0805LF034992B-R1_52232170_b298db7a_324142b1-4c19-432d-9410-9c3df4f16625.jpg?v=1757016683"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W0805LF034992B-R1_52232170_b298db7a_324142b1-4c19-432d-9410-9c3df4f16625.jpg?v=1757016683","options":["Title"],"media":[{"alt":null,"id":46198992929085,"position":1,"preview_image":{"aspect_ratio":1.295,"height":200,"width":259,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W0805LF034992B-R1_52232170_b298db7a_324142b1-4c19-432d-9410-9c3df4f16625.jpg?v=1757016683"},"aspect_ratio":1.295,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W0805LF034992B-R1_52232170_b298db7a_324142b1-4c19-432d-9410-9c3df4f16625.jpg?v=1757016683","width":259}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eIRC W0805LF034992B-R1 Thin Film Resistor - SMD 49.9K Ohm, 0.1%, 25PPM, 1\/4W\u003c\/h3\u003e\n\n\u003cp\u003eIntroducing the high-precision IRC W0805LF034992B-R1 Thin Film Resistor, designed for demanding electronic applications requiring exceptional stability and reliability. Manufactured by IRC\/TT ELECTRONICS in Taiwan, this surface-mount device offers superior performance in a compact package.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: W0805LF034992B-R1\u003c\/li\u003e\n \u003cli\u003eManufacturer: IRC\/TT ELECTRONICS\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Taiwan (TW)\u003c\/li\u003e\n \u003cli\u003eUnit of Measure: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: Reel\u003c\/li\u003e\n \u003cli\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0805LF034992B-R1.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eResistance Value: 49.9KΩ\u003c\/li\u003e\n \u003cli\u003eTolerance: ±0.1%\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: 25PPM\/°C\u003c\/li\u003e\n \u003cli\u003ePower Rating: 1\/4W (250mW) at 70°C\u003c\/li\u003e\n \u003cli\u003eMaximum Voltage: 100V\u003c\/li\u003e\n \u003cli\u003eSize: 0805 (2012 metric)\u003c\/li\u003e\n \u003cli\u003eTermination: RoHS compliant matte tin plated over nickel barrier\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Environmental Performance\u003c\/h3\u003e\n\u003ctable\u003e\n \u003cthead\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 \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eW0805\u003c\/td\u003e\n \u003ctd\u003e250mW\u003c\/td\u003e\n \u003ctd\u003e100V\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\u003eMatte tin plated over nickel barrier\u003c\/td\u003e\n \u003ctd\u003e99.5% Alumina\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental Durability\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSulfuration Resistance: ±0.02% (typical) in ASTM B-809 105°C Dry, 1000 Hours\u003c\/li\u003e\n \u003cli\u003eThermal Shock: ±0.02% (MIL-PRF-55342)\u003c\/li\u003e\n \u003cli\u003eLow Temperature Operation: ±0.01%\u003c\/li\u003e\n \u003cli\u003eSolder Effects: ±0.01%\u003c\/li\u003e\n \u003cli\u003eHigh Temperature Exposure: ±0.03%\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: ±0.03%\u003c\/li\u003e\n \u003cli\u003eLife Testing: ±0.03%\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eThis resistor series is part of the PFC Special Series, utilizing Tantalum Nitride film technology for long-term stability and reliability. Suitable for automotive, heavy equipment, and harsh environment applications where precision and anti-sulfuration characteristics are critical.\u003c\/p\u003e\n\n\u003cp\u003eFor more detailed specifications and ordering options, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0805LF034992B-R1.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number for more details.\u003c\/p\u003e"}
