IRC W0603LF031003B-R1 Precision Thin Film Chip Resistor
Introducing the IRC W0603LF031003B-R1, a high-precision, ultra-stable thin film chip resistor manufactured by TT Electronics. Designed for demanding electronic applications, this resistor offers exceptional reliability and environmental performance.
High-precision thin film chip resistor with ultra-stable performance
RoHS compliant, available in standard 60/40 Sn/Pb and Pb-free options
Passivated Tantalum Nitride film ensures long-term stability and reliability
Qualified for resistance to sulfur-bearing gases, suitable for automotive and heavy equipment applications
Manufactured on the same line as military-grade resistors for superior environmental performance
Electrical and Environmental Specifications
Model
Power Rating (70°C)
Max Voltage Rating (P x R)
Temperature Range
ESD Sensitivity
Noise
Termination
Substrate
W0603
100mW
75V
-65°C to +150°C
2KV to 4KV (HBM)
<-25dB
100% matte tin (RoHS compliant) plated over nickel barrier
99.5% Alumina
Environmental Resilience
Environmental Test
Test Method
Performance (Typical)
Maximum
Sulfuration Test (ASLF terminations only)
ASTM B-809 (Modified) 105°C Dry, 1000 Hours
±0.02%
±0.05%
Thermal Shock
MIL-PRF-55342
±0.02%
±0.10%
Low Temperature Operation
MIL-PRF-55342
±0.01%
±0.05%
Short Time Overload
MIL-PRF-55342
±0.01%
±0.05%
High Temperature Exposure
MIL-PRF-55342
±0.03%
±0.10%
Effects of Solder
MIL-PRF-55342
±0.01%
±0.10%
Moisture Resistance
MIL-PRF-55342
±0.03%
±0.10%
Life
MIL-PRF-55342
±0.03%
±0.10%
Note: TT Electronics reserves the right to make changes in product specifications without notice. All information is considered accurate at the time of printing. For more details, please refer to the datasheet or search the internet using the part number.
{"id":10021023285565,"title":"W0603LF031003B-R1","handle":"w0603lf031003b-r1","description":"\u003ch3\u003eIRC W0603LF031003B-R1 Precision Thin Film Chip Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the IRC W0603LF031003B-R1, a high-precision, ultra-stable thin film chip resistor manufactured by TT Electronics. Designed for demanding electronic applications, this resistor offers exceptional reliability and environmental performance.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e W0603LF031003B-R1\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e IRC\/TT ELECTRONICS\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA (Each)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e 0603\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0603LF031003B-R1.pdf\" target=\"_blank\"\u003eW0603LF031003B-R1 Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh-precision thin film chip resistor with ultra-stable performance\u003c\/li\u003e\n \u003cli\u003eRoHS compliant, available in standard 60\/40 Sn\/Pb and Pb-free options\u003c\/li\u003e\n \u003cli\u003ePassivated Tantalum Nitride film ensures long-term stability and reliability\u003c\/li\u003e\n \u003cli\u003eQualified for resistance to sulfur-bearing gases, suitable for automotive and heavy equipment applications\u003c\/li\u003e\n \u003cli\u003eManufactured on the same line as military-grade resistors for superior environmental performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Environmental Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\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\u003eW0603\u003c\/td\u003e\n \u003ctd\u003e100mW\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 (RoHS compliant) 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\u003ch3\u003eEnvironmental Resilience\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eEnvironmental Test\u003c\/th\u003e\n \u003cth\u003eTest Method\u003c\/th\u003e\n \u003cth\u003ePerformance (Typical)\u003c\/th\u003e\n \u003cth\u003eMaximum\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSulfuration Test (ASLF terminations only)\u003c\/td\u003e\n \u003ctd\u003eASTM B-809 (Modified) 105°C Dry, 1000 Hours\u003c\/td\u003e\n \u003ctd\u003e±0.02%\u003c\/td\u003e\n \u003ctd\u003e±0.05%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThermal Shock\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.02%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLow Temperature Operation\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.01%\u003c\/td\u003e\n \u003ctd\u003e±0.05%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort Time Overload\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.01%\u003c\/td\u003e\n \u003ctd\u003e±0.05%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHigh Temperature Exposure\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.03%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEffects of Solder\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.01%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMoisture Resistance\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.03%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLife\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.03%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: TT Electronics reserves the right to make changes in product specifications without notice. All information is considered accurate at the time of printing. For more details, please refer to the datasheet or search the internet using the part number.\u003c\/em\u003e\u003c\/p\u003e","published_at":"2025-08-12T10:18:47+05:30","created_at":"2025-08-12T10:18:47+05:30","vendor":"Waldom Electonics","type":"","tags":["IMPORT_CSV","IRC-TTEL","TT","WLDM"],"price":3728,"price_min":3728,"price_max":3728,"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":50611474104637,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"W0603LF031003B-R1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"W0603LF031003B-R1","public_title":null,"options":["Default Title"],"price":3728,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"W0603LF031003B-R1","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/W0603LF031003B-R1_52231324_629fd016.jpg?v=1754974131"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W0603LF031003B-R1_52231324_629fd016.jpg?v=1754974131","options":["Title"],"media":[{"alt":null,"id":45796662968637,"position":1,"preview_image":{"aspect_ratio":1.13,"height":200,"width":226,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W0603LF031003B-R1_52231324_629fd016.jpg?v=1754974131"},"aspect_ratio":1.13,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/W0603LF031003B-R1_52231324_629fd016.jpg?v=1754974131","width":226}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eIRC W0603LF031003B-R1 Precision Thin Film Chip Resistor\u003c\/h3\u003e\n\u003cp\u003eIntroducing the IRC W0603LF031003B-R1, a high-precision, ultra-stable thin film chip resistor manufactured by TT Electronics. Designed for demanding electronic applications, this resistor offers exceptional reliability and environmental performance.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e W0603LF031003B-R1\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e IRC\/TT ELECTRONICS\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\u003c\/strong\u003e EA (Each)\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e 0603\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0603LF031003B-R1.pdf\" target=\"_blank\"\u003eW0603LF031003B-R1 Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh-precision thin film chip resistor with ultra-stable performance\u003c\/li\u003e\n \u003cli\u003eRoHS compliant, available in standard 60\/40 Sn\/Pb and Pb-free options\u003c\/li\u003e\n \u003cli\u003ePassivated Tantalum Nitride film ensures long-term stability and reliability\u003c\/li\u003e\n \u003cli\u003eQualified for resistance to sulfur-bearing gases, suitable for automotive and heavy equipment applications\u003c\/li\u003e\n \u003cli\u003eManufactured on the same line as military-grade resistors for superior environmental performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Environmental Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\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\u003eW0603\u003c\/td\u003e\n \u003ctd\u003e100mW\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 (RoHS compliant) 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\u003ch3\u003eEnvironmental Resilience\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eEnvironmental Test\u003c\/th\u003e\n \u003cth\u003eTest Method\u003c\/th\u003e\n \u003cth\u003ePerformance (Typical)\u003c\/th\u003e\n \u003cth\u003eMaximum\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eSulfuration Test (ASLF terminations only)\u003c\/td\u003e\n \u003ctd\u003eASTM B-809 (Modified) 105°C Dry, 1000 Hours\u003c\/td\u003e\n \u003ctd\u003e±0.02%\u003c\/td\u003e\n \u003ctd\u003e±0.05%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eThermal Shock\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.02%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLow Temperature Operation\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.01%\u003c\/td\u003e\n \u003ctd\u003e±0.05%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eShort Time Overload\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.01%\u003c\/td\u003e\n \u003ctd\u003e±0.05%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eHigh Temperature Exposure\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.03%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEffects of Solder\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.01%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eMoisture Resistance\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.03%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eLife\u003c\/td\u003e\n \u003ctd\u003eMIL-PRF-55342\u003c\/td\u003e\n \u003ctd\u003e±0.03%\u003c\/td\u003e\n \u003ctd\u003e±0.10%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eNote: TT Electronics reserves the right to make changes in product specifications without notice. All information is considered accurate at the time of printing. For more details, please refer to the datasheet or search the internet using the part number.\u003c\/em\u003e\u003c\/p\u003e"}
