VISHAY Fixed Resistor 0.4W 69.8kΩ 173V - Model 303138U-69K8-QBW
Enhance your electronic designs with the high-precision Vishay Fixed Resistor, featuring advanced Z-Foil technology for ultra-low TCR and exceptional stability. Designed for space applications and demanding environments, this surface-mount resistor offers reliable performance with tight tolerances and excellent load life stability.
Ultra high precision surface mount resistor utilizing Z-Foil technology
Power rating: 0.4W at +70°C
Resistance: 69,800Ω (69.8kΩ)
Voltage: 173V
Temperature coefficient of resistance (TCR): typically 0.05 ppm/°C (0°C to +60°C), ± 3 ppm/°C for resistance ≥ 100Ω
Tolerance: ± 0.02%
Load life stability: ± 0.03% at 70°C over 2000 hours
Fast thermal stabilization: < 1 second
Electrostatic discharge (ESD) withstands up to 25,000V
Low noise: -42 dB
Non-inductive, non-capacitive design with minimal parasitic inductance (< 0.08 µH)
Full wraparound tin/lead alloy termination for durability and stability
Specifications
Resistance Range
Tolerance
Maximum TCR (ppm/°C)
10Ω to 75kΩ
± 0.02%
± 3 ppm/°C (≥ 100Ω), ± 4 ppm/°C (50Ω to <100Ω), ± 5 ppm/°C (10Ω to <50Ω)
Physical Dimensions & Land Pattern
Model
L ± 0.005 (inches)
W ± 0.005 (inches)
Thickness Max (inches)
D ± 0.005 (inches)
Z (inches)
G (inches)
X (inches)
303138 (2512)
0.249
0.127
0.025
0.032
0.291
0.150
0.127
Performance & Testing
Test / Condition
Limits / Typical
Thermal Shock (100 cycles -65°C to +150°C)
± 0.1%
Load Life Stability (2000h at +70°C, rated power)
± 0.5%
Resistance to Soldering Heat
± 0.2%
High Temperature Exposure (+150°C, 100h)
± 0.1%
Moisture Resistance
± 0.2%
Short Time Overload (6.25x rated power, 5s)
± 0.1%
Additional Details
Resistance values can be customized; no extra cost for specific values
Full wraparound termination ensures mechanical stability during thermal cycling
Suitable for applications requiring high precision, stability, and low noise
Handling precautions: avoid damaging the resistor with soldering iron; vacuum pickup recommended
For more detailed specifications and application guidance, please refer to the full datasheet.
Note: Datasheet was not processed. Please search the internet for the part number for more details.
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.
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{"id":10008699863357,"title":"303138U-69K8-QBW","handle":"303138u-69k8-qbw","description":"\u003ch3\u003eVISHAY Fixed Resistor 0.4W 69.8kΩ 173V - Model 303138U-69K8-QBW\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the high-precision Vishay Fixed Resistor, featuring advanced Z-Foil technology for ultra-low TCR and exceptional stability. Designed for space applications and demanding environments, this surface-mount resistor offers reliable performance with tight tolerances and excellent load life stability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 303138U-69K8-QBW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e VISHAY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e IL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Surface Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Resistors | Fixed Resistors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-303138u-69k8-qbw.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra high precision surface mount resistor utilizing Z-Foil technology\u003c\/li\u003e\n\u003cli\u003ePower rating: 0.4W at +70°C\u003c\/li\u003e\n\u003cli\u003eResistance: 69,800Ω (69.8kΩ)\u003c\/li\u003e\n\u003cli\u003eVoltage: 173V\u003c\/li\u003e\n\u003cli\u003eTemperature coefficient of resistance (TCR): typically 0.05 ppm\/°C (0°C to +60°C), ± 3 ppm\/°C for resistance ≥ 100Ω\u003c\/li\u003e\n\u003cli\u003eTolerance: ± 0.02%\u003c\/li\u003e\n\u003cli\u003eLoad life stability: ± 0.03% at 70°C over 2000 hours\u003c\/li\u003e\n\u003cli\u003eFast thermal stabilization: \u0026lt; 1 second\u003c\/li\u003e\n\u003cli\u003eElectrostatic discharge (ESD) withstands up to 25,000V\u003c\/li\u003e\n\u003cli\u003eLow noise: -42 dB\u003c\/li\u003e\n\u003cli\u003eNon-inductive, non-capacitive design with minimal parasitic inductance (\u0026lt; 0.08 µH)\u003c\/li\u003e\n\u003cli\u003eFull wraparound tin\/lead alloy termination for durability and stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eResistance Range\u003c\/th\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003cth\u003eMaximum TCR (ppm\/°C)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10Ω to 75kΩ\u003c\/td\u003e\n\u003ctd\u003e± 0.02%\u003c\/td\u003e\n\u003ctd\u003e± 3 ppm\/°C (≥ 100Ω), ± 4 ppm\/°C (50Ω to \u0026lt;100Ω), ± 5 ppm\/°C (10Ω to \u0026lt;50Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions \u0026amp; Land Pattern\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eL ± 0.005 (inches)\u003c\/th\u003e\n\u003cth\u003eW ± 0.005 (inches)\u003c\/th\u003e\n\u003cth\u003eThickness Max (inches)\u003c\/th\u003e\n\u003cth\u003eD ± 0.005 (inches)\u003c\/th\u003e\n\u003cth\u003eZ (inches)\u003c\/th\u003e\n\u003cth\u003eG (inches)\u003c\/th\u003e\n\u003cth\u003eX (inches)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e303138 (2512)\u003c\/td\u003e\n\u003ctd\u003e0.249\u003c\/td\u003e\n\u003ctd\u003e0.127\u003c\/td\u003e\n\u003ctd\u003e0.025\u003c\/td\u003e\n\u003ctd\u003e0.032\u003c\/td\u003e\n\u003ctd\u003e0.291\u003c\/td\u003e\n\u003ctd\u003e0.150\u003c\/td\u003e\n\u003ctd\u003e0.127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance \u0026amp; Testing\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTest \/ Condition\u003c\/th\u003e\n\u003cth\u003eLimits \/ Typical\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Shock (100 cycles -65°C to +150°C)\u003c\/td\u003e\n\u003ctd\u003e± 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Life Stability (2000h at +70°C, rated power)\u003c\/td\u003e\n\u003ctd\u003e± 0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance to Soldering Heat\u003c\/td\u003e\n\u003ctd\u003e± 0.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Temperature Exposure (+150°C, 100h)\u003c\/td\u003e\n\u003ctd\u003e± 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoisture Resistance\u003c\/td\u003e\n\u003ctd\u003e± 0.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort Time Overload (6.25x rated power, 5s)\u003c\/td\u003e\n\u003ctd\u003e± 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eResistance values can be customized; no extra cost for specific values\u003c\/li\u003e\n\u003cli\u003eFull wraparound termination ensures mechanical stability during thermal cycling\u003c\/li\u003e\n\u003cli\u003eSuitable for applications requiring high precision, stability, and low noise\u003c\/li\u003e\n\u003cli\u003eHandling precautions: avoid damaging the resistor with soldering iron; vacuum pickup recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-303138u-69k8-qbw.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed. Please search the internet for the part number for more details.\u003c\/em\u003e\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":"2025-08-08T06:16:47+05:30","created_at":"2025-08-08T06:16:47+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["173V","4W","Fixed","IMPORT_PT2","Resistor","STD_IMG","VISHA-X","WLDM"],"price":527477,"price_min":527477,"price_max":527477,"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":50561843888445,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"303138U-69K8-QBW","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"303138U-69K8-QBW","public_title":null,"options":["Default Title"],"price":527477,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"303138U-69K8-QBW","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_9b06d3fc-6129-4dd8-9536-0a13b84bb7f9.jpg?v=1754614007"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_9b06d3fc-6129-4dd8-9536-0a13b84bb7f9.jpg?v=1754614007","options":["Title"],"media":[{"alt":null,"id":45721370689853,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_9b06d3fc-6129-4dd8-9536-0a13b84bb7f9.jpg?v=1754614007"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_9b06d3fc-6129-4dd8-9536-0a13b84bb7f9.jpg?v=1754614007","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eVISHAY Fixed Resistor 0.4W 69.8kΩ 173V - Model 303138U-69K8-QBW\u003c\/h3\u003e\n\u003cp\u003eEnhance your electronic designs with the high-precision Vishay Fixed Resistor, featuring advanced Z-Foil technology for ultra-low TCR and exceptional stability. Designed for space applications and demanding environments, this surface-mount resistor offers reliable performance with tight tolerances and excellent load life stability.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 303138U-69K8-QBW\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e VISHAY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e IL\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e Surface Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Resistors | Fixed Resistors\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-303138u-69k8-qbw.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUltra high precision surface mount resistor utilizing Z-Foil technology\u003c\/li\u003e\n\u003cli\u003ePower rating: 0.4W at +70°C\u003c\/li\u003e\n\u003cli\u003eResistance: 69,800Ω (69.8kΩ)\u003c\/li\u003e\n\u003cli\u003eVoltage: 173V\u003c\/li\u003e\n\u003cli\u003eTemperature coefficient of resistance (TCR): typically 0.05 ppm\/°C (0°C to +60°C), ± 3 ppm\/°C for resistance ≥ 100Ω\u003c\/li\u003e\n\u003cli\u003eTolerance: ± 0.02%\u003c\/li\u003e\n\u003cli\u003eLoad life stability: ± 0.03% at 70°C over 2000 hours\u003c\/li\u003e\n\u003cli\u003eFast thermal stabilization: \u0026lt; 1 second\u003c\/li\u003e\n\u003cli\u003eElectrostatic discharge (ESD) withstands up to 25,000V\u003c\/li\u003e\n\u003cli\u003eLow noise: -42 dB\u003c\/li\u003e\n\u003cli\u003eNon-inductive, non-capacitive design with minimal parasitic inductance (\u0026lt; 0.08 µH)\u003c\/li\u003e\n\u003cli\u003eFull wraparound tin\/lead alloy termination for durability and stability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eResistance Range\u003c\/th\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003cth\u003eMaximum TCR (ppm\/°C)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10Ω to 75kΩ\u003c\/td\u003e\n\u003ctd\u003e± 0.02%\u003c\/td\u003e\n\u003ctd\u003e± 3 ppm\/°C (≥ 100Ω), ± 4 ppm\/°C (50Ω to \u0026lt;100Ω), ± 5 ppm\/°C (10Ω to \u0026lt;50Ω)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePhysical Dimensions \u0026amp; Land Pattern\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eL ± 0.005 (inches)\u003c\/th\u003e\n\u003cth\u003eW ± 0.005 (inches)\u003c\/th\u003e\n\u003cth\u003eThickness Max (inches)\u003c\/th\u003e\n\u003cth\u003eD ± 0.005 (inches)\u003c\/th\u003e\n\u003cth\u003eZ (inches)\u003c\/th\u003e\n\u003cth\u003eG (inches)\u003c\/th\u003e\n\u003cth\u003eX (inches)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e303138 (2512)\u003c\/td\u003e\n\u003ctd\u003e0.249\u003c\/td\u003e\n\u003ctd\u003e0.127\u003c\/td\u003e\n\u003ctd\u003e0.025\u003c\/td\u003e\n\u003ctd\u003e0.032\u003c\/td\u003e\n\u003ctd\u003e0.291\u003c\/td\u003e\n\u003ctd\u003e0.150\u003c\/td\u003e\n\u003ctd\u003e0.127\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePerformance \u0026amp; Testing\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eTest \/ Condition\u003c\/th\u003e\n\u003cth\u003eLimits \/ Typical\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Shock (100 cycles -65°C to +150°C)\u003c\/td\u003e\n\u003ctd\u003e± 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Life Stability (2000h at +70°C, rated power)\u003c\/td\u003e\n\u003ctd\u003e± 0.5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistance to Soldering Heat\u003c\/td\u003e\n\u003ctd\u003e± 0.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHigh Temperature Exposure (+150°C, 100h)\u003c\/td\u003e\n\u003ctd\u003e± 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMoisture Resistance\u003c\/td\u003e\n\u003ctd\u003e± 0.2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort Time Overload (6.25x rated power, 5s)\u003c\/td\u003e\n\u003ctd\u003e± 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eResistance values can be customized; no extra cost for specific values\u003c\/li\u003e\n\u003cli\u003eFull wraparound termination ensures mechanical stability during thermal cycling\u003c\/li\u003e\n\u003cli\u003eSuitable for applications requiring high precision, stability, and low noise\u003c\/li\u003e\n\u003cli\u003eHandling precautions: avoid damaging the resistor with soldering iron; vacuum pickup recommended\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-vis\/vis-303138u-69k8-qbw.pdf\" target=\"_blank\"\u003efull datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eNote: Datasheet was not processed. Please search the internet for the part number for more details.\u003c\/em\u003e\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"}
