Home
W0603R034990B-R1
W0603R034990B-R1 TT Electronics Precision Thin Film Chip Resistor
Part Number: W0603R034990B-R1Download Datasheet
Product Features
High precision thin film chip resistor series with ultra-stable performance
Available in 0402, 0603, 0805, and 1206 sizes
Passivated Tantalum Nitride film ensures long-term stability and reliability
Qualified for resistance to sulfur bearing gases, suitable for automotive and heavy equipment applications
RoHS compliant, with standard 60/40 Sn/Pb and Pb-free options
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 Performance
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%
Additional Information
For detailed ordering options, tolerances, and screening levels, please refer to the datasheet or visit this link .
Note: The datasheet was not processed; please search the internet for the part number for more details.
© TT Electronics plc. All rights reserved.
Note: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
{"id":10007509303613,"title":"W0603R034990B-R1","handle":"w0603r034990b-r1","description":"\u003ch3\u003eW0603R034990B-R1 TT Electronics Precision Thin Film Chip Resistor\u003c\/h3\u003e\n\u003cp\u003ePart Number: W0603R034990B-R1\u003cbr\u003e\nManufacturer: IRC\/TT ELECTRONICS\u003cbr\u003e\nCountry of Origin: US\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: Not specified\u003cbr\u003e\nPackage Type: Surface Mount (0603)\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0603R034990B-R1.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh precision thin film chip resistor series with ultra-stable performance\u003c\/li\u003e\n \u003cli\u003eAvailable in 0402, 0603, 0805, and 1206 sizes\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\u003eRoHS compliant, with standard 60\/40 Sn\/Pb and Pb-free options\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Environmental Specifications\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\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\n\u003ch3\u003eEnvironmental Performance\u003c\/h3\u003e\n\u003ctable\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\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed ordering options, tolerances, and screening levels, please refer to the datasheet or visit \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0603R034990B-R1.pdf\" target=\"_blank\"\u003ethis link\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\n\n\u003cp\u003e© TT Electronics plc. All rights reserved.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e","published_at":"2025-08-07T13:38:19+05:30","created_at":"2025-08-07T13:38:19+05:30","vendor":"Waldom Electonics","type":"","tags":["IRC-TTEL","STD_IMG","TT","WLDM"],"price":4102,"price_min":4102,"price_max":4102,"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":50559150915901,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"W0603R034990B-R1","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"W0603R034990B-R1","public_title":null,"options":["Default Title"],"price":4102,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"W0603R034990B-R1","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_501c3098-82ff-4e2c-bee5-7bb88174a253.jpg?v=1754554099"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_501c3098-82ff-4e2c-bee5-7bb88174a253.jpg?v=1754554099","options":["Title"],"media":[{"alt":null,"id":45710889156925,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_501c3098-82ff-4e2c-bee5-7bb88174a253.jpg?v=1754554099"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_501c3098-82ff-4e2c-bee5-7bb88174a253.jpg?v=1754554099","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eW0603R034990B-R1 TT Electronics Precision Thin Film Chip Resistor\u003c\/h3\u003e\n\u003cp\u003ePart Number: W0603R034990B-R1\u003cbr\u003e\nManufacturer: IRC\/TT ELECTRONICS\u003cbr\u003e\nCountry of Origin: US\u003cbr\u003e\nUnit of Measure: EA\u003cbr\u003e\nECCN: Not specified\u003cbr\u003e\nPackage Type: Surface Mount (0603)\u003cbr\u003e\nDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0603R034990B-R1.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\u003c\/p\u003e\n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eHigh precision thin film chip resistor series with ultra-stable performance\u003c\/li\u003e\n \u003cli\u003eAvailable in 0402, 0603, 0805, and 1206 sizes\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\u003eRoHS compliant, with standard 60\/40 Sn\/Pb and Pb-free options\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical and Environmental Specifications\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\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\n\u003ch3\u003eEnvironmental Performance\u003c\/h3\u003e\n\u003ctable\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\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eFor detailed ordering options, tolerances, and screening levels, please refer to the datasheet or visit \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-IRC\/W0603R034990B-R1.pdf\" target=\"_blank\"\u003ethis link\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\n\n\u003cp\u003e© TT Electronics plc. All rights reserved.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eNote: The product image displayed is a standard reference image. Actual product appearance may vary. For the most accurate and up-to-date representation, we recommend searching the part number online.\u003c\/strong\u003e\u003c\/p\u003e"}
{
"product_id": 10007509303613,
"variant_id" : 50559150915901,
"variant_available" : true,
"inventory_quantity" : 2000,
"inventory_management" : "shopify",
"inventory_policy" : "deny",
"image": "//thinkrobotics.com/cdn/shop/files/fbe811dc-181f-41c1-ab5a-dc3410446d1d_501c3098-82ff-4e2c-bee5-7bb88174a253.jpg?v=1754554099",
"price": "4102",
"title": "Default Title",
"value": "Default Title"
}
{
"product_id": "MTAwMDc1MDkzMDM2MTM=",
"variant_id" : "NTA1NTkxNTA5MTU5MDE=",
"variant_available" : "dHJ1ZQ==",
"inventory_quantity" : "MjAwMA==",
"inventory_management" :"c2hvcGlmeQ==",
"inventory_policy" : "ZGVueQ==",
"image":"JTJGJTJGdGhpbmtyb2JvdGljcy5jb20lMkZjZG4lMkZzaG9wJTJGZmlsZXMlMkZmYmU4MTFkYy0xODFmLTQxYzEtYWI1YS1kYzM0MTA0NDZkMWRfNTAxYzMwOTgtODJmZi00ZTJjLWJlZTUtN2JiODgxNzRhMjUzLmpwZyUzRnYlM0QxNzU0NTU0MDk5",
"price": "NDEwMg==",
"title": "RGVmYXVsdCtUaXRsZQ==",
"value": "RGVmYXVsdCtUaXRsZQ==",
"variant_options": {"Title": "RGVmYXVsdCtUaXRsZQ=="
}
}
India
---
Australia
Canada
India
Mexico
United Arab Emirates
United States
