VISHAY Fixed Resistor 0.4W 75,000Ω 173V - Model 303138U-75K-QBW
Introducing the high-precision Vishay Fixed Resistor, designed with advanced Metal Foil technology to deliver exceptional stability and performance in demanding electronic applications. Manufactured in Israel (IL), this resistor combines ultra-low temperature coefficient, tight tolerance, and robust load life stability, making it ideal for precision circuitry.
Temperature Coefficient of Resistance (TCR): Typical 0.2 ppm/°C (-55°C to +125°C)
Resistance Tolerance: ±0.02%
Load Life Stability: ±0.03% at 70°C over 2000 hours
Fast Thermal Stabilization: < 1 second
Electrostatic Discharge (ESD) Resistance: Up to 25,000V
Non-inductive, non-capacitive design with minimal noise (-42 dB)
Resistance Range: 10Ω to 75kΩ
Full wraparound tin/lead alloy termination for durability and stability
Custom values available without extra cost or delay
Technical Specifications
Resistance Range (Ω)
Tolerance (%)
Maximum TCR (ppm/°C)
10 to < 25
±0.5
±5
25 to < 50
±0.25
±5
50 to < 100
±0.1
±4
100 to < 250
±0.05
±3
250 to 75k
±0.02
±3
Dimensions & Land Pattern
Model
L (inches)
W (inches)
Thickness (max)
D (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
Thermal Shock: ±0.1% (100 cycles -65°C to +150°C)
Low Temperature Operation: ±0.1% at -65°C for 45 min
Short Time Overload: ±0.1% at 6.25x rated power for 5 seconds
High Temperature Exposure: ±0.1% at +150°C for 100 hours
Soldering Heat Resistance: ±0.2%
Moisture Resistance: ±0.2%
Load Life Stability: ±0.5% at +70°C over 2000 hours
Additional Information
Vishay foil resistors are not restricted to standard values; custom values can be supplied at no extra cost. For prototype units, append a “U” to the model number (e.g., 303138U). These units undergo all standard tests without destructive qualification. For more details, refer to the datasheet or contact foil@vishaypg.com.
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.
{"id":10009125126461,"title":"303138U-75K-QBW","handle":"303138u-75k-qbw","description":"\u003ch3\u003eVISHAY Fixed Resistor 0.4W 75,000Ω 173V - Model 303138U-75K-QBW\u003c\/h3\u003e\n\u003cp\u003eIntroducing the high-precision Vishay Fixed Resistor, designed with advanced Metal Foil technology to deliver exceptional stability and performance in demanding electronic applications. Manufactured in Israel (IL), this resistor combines ultra-low temperature coefficient, tight tolerance, and robust load life stability, making it ideal for precision circuitry.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 303138U-75K-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 Not specified\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-75k-qbw.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Rating: 0.4W at +70°C\u003c\/li\u003e\n\u003cli\u003eResistance: 75,000Ω (75kΩ)\u003c\/li\u003e\n\u003cli\u003eMaximum Working Voltage: 173V\u003c\/li\u003e\n\u003cli\u003eTemperature Coefficient of Resistance (TCR): Typical 0.2 ppm\/°C (-55°C to +125°C)\u003c\/li\u003e\n\u003cli\u003eResistance Tolerance: ±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) Resistance: Up to 25,000V\u003c\/li\u003e\n\u003cli\u003eNon-inductive, non-capacitive design with minimal noise (-42 dB)\u003c\/li\u003e\n\u003cli\u003eResistance Range: 10Ω to 75kΩ\u003c\/li\u003e\n\u003cli\u003eFull wraparound tin\/lead alloy termination for durability and stability\u003c\/li\u003e\n\u003cli\u003eCustom values available without extra cost or delay\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eResistance Range (Ω)\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\u003e10 to \u0026lt; 25\u003c\/td\u003e\n\u003ctd\u003e±0.5\u003c\/td\u003e\n\u003ctd\u003e±5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 to \u0026lt; 50\u003c\/td\u003e\n\u003ctd\u003e±0.25\u003c\/td\u003e\n\u003ctd\u003e±5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 to \u0026lt; 100\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e±4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 to \u0026lt; 250\u003c\/td\u003e\n\u003ctd\u003e±0.05\u003c\/td\u003e\n\u003ctd\u003e±3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 to 75k\u003c\/td\u003e\n\u003ctd\u003e±0.02\u003c\/td\u003e\n\u003ctd\u003e±3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions \u0026amp; Land Pattern\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eL (inches)\u003c\/th\u003e\n\u003cth\u003eW (inches)\u003c\/th\u003e\n\u003cth\u003eThickness (max)\u003c\/th\u003e\n\u003cth\u003eD (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\u003cul\u003e\n\u003cli\u003eThermal Shock: ±0.1% (100 cycles -65°C to +150°C)\u003c\/li\u003e\n\u003cli\u003eLow Temperature Operation: ±0.1% at -65°C for 45 min\u003c\/li\u003e\n\u003cli\u003eShort Time Overload: ±0.1% at 6.25x rated power for 5 seconds\u003c\/li\u003e\n\u003cli\u003eHigh Temperature Exposure: ±0.1% at +150°C for 100 hours\u003c\/li\u003e\n\u003cli\u003eSoldering Heat Resistance: ±0.2%\u003c\/li\u003e\n\u003cli\u003eMoisture Resistance: ±0.2%\u003c\/li\u003e\n\u003cli\u003eLoad Life Stability: ±0.5% at +70°C over 2000 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eVishay foil resistors are not restricted to standard values; custom values can be supplied at no extra cost. For prototype units, append a “U” to the model number (e.g., 303138U). These units undergo all standard tests without destructive qualification. For more details, refer to the datasheet or contact foil@vishaypg.com.\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\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":"2025-08-08T11:13:22+05:30","created_at":"2025-08-08T11:13:22+05:30","vendor":"Waldom Electonics","type":"Resistors","tags":["173V","4W","Fixed","IMPORT_PT2","Resistor","STD_IMG","VISHA-X","WLDM"],"price":488395,"price_min":488395,"price_max":488395,"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":50562600042813,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"303138U-75K-QBW","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"303138U-75K-QBW","public_title":null,"options":["Default Title"],"price":488395,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"303138U-75K-QBW","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_98ed5748-d2a4-49be-baef-1e962ce4b00f.jpg?v=1754631802"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_98ed5748-d2a4-49be-baef-1e962ce4b00f.jpg?v=1754631802","options":["Title"],"media":[{"alt":null,"id":45724484436285,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_98ed5748-d2a4-49be-baef-1e962ce4b00f.jpg?v=1754631802"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_98ed5748-d2a4-49be-baef-1e962ce4b00f.jpg?v=1754631802","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eVISHAY Fixed Resistor 0.4W 75,000Ω 173V - Model 303138U-75K-QBW\u003c\/h3\u003e\n\u003cp\u003eIntroducing the high-precision Vishay Fixed Resistor, designed with advanced Metal Foil technology to deliver exceptional stability and performance in demanding electronic applications. Manufactured in Israel (IL), this resistor combines ultra-low temperature coefficient, tight tolerance, and robust load life stability, making it ideal for precision circuitry.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 303138U-75K-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 Not specified\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-75k-qbw.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower Rating: 0.4W at +70°C\u003c\/li\u003e\n\u003cli\u003eResistance: 75,000Ω (75kΩ)\u003c\/li\u003e\n\u003cli\u003eMaximum Working Voltage: 173V\u003c\/li\u003e\n\u003cli\u003eTemperature Coefficient of Resistance (TCR): Typical 0.2 ppm\/°C (-55°C to +125°C)\u003c\/li\u003e\n\u003cli\u003eResistance Tolerance: ±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) Resistance: Up to 25,000V\u003c\/li\u003e\n\u003cli\u003eNon-inductive, non-capacitive design with minimal noise (-42 dB)\u003c\/li\u003e\n\u003cli\u003eResistance Range: 10Ω to 75kΩ\u003c\/li\u003e\n\u003cli\u003eFull wraparound tin\/lead alloy termination for durability and stability\u003c\/li\u003e\n\u003cli\u003eCustom values available without extra cost or delay\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eResistance Range (Ω)\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\u003e10 to \u0026lt; 25\u003c\/td\u003e\n\u003ctd\u003e±0.5\u003c\/td\u003e\n\u003ctd\u003e±5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e25 to \u0026lt; 50\u003c\/td\u003e\n\u003ctd\u003e±0.25\u003c\/td\u003e\n\u003ctd\u003e±5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e50 to \u0026lt; 100\u003c\/td\u003e\n\u003ctd\u003e±0.1\u003c\/td\u003e\n\u003ctd\u003e±4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 to \u0026lt; 250\u003c\/td\u003e\n\u003ctd\u003e±0.05\u003c\/td\u003e\n\u003ctd\u003e±3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e250 to 75k\u003c\/td\u003e\n\u003ctd\u003e±0.02\u003c\/td\u003e\n\u003ctd\u003e±3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDimensions \u0026amp; Land Pattern\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eL (inches)\u003c\/th\u003e\n\u003cth\u003eW (inches)\u003c\/th\u003e\n\u003cth\u003eThickness (max)\u003c\/th\u003e\n\u003cth\u003eD (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\u003cul\u003e\n\u003cli\u003eThermal Shock: ±0.1% (100 cycles -65°C to +150°C)\u003c\/li\u003e\n\u003cli\u003eLow Temperature Operation: ±0.1% at -65°C for 45 min\u003c\/li\u003e\n\u003cli\u003eShort Time Overload: ±0.1% at 6.25x rated power for 5 seconds\u003c\/li\u003e\n\u003cli\u003eHigh Temperature Exposure: ±0.1% at +150°C for 100 hours\u003c\/li\u003e\n\u003cli\u003eSoldering Heat Resistance: ±0.2%\u003c\/li\u003e\n\u003cli\u003eMoisture Resistance: ±0.2%\u003c\/li\u003e\n\u003cli\u003eLoad Life Stability: ±0.5% at +70°C over 2000 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Information\u003c\/h3\u003e\n\u003cp\u003eVishay foil resistors are not restricted to standard values; custom values can be supplied at no extra cost. For prototype units, append a “U” to the model number (e.g., 303138U). These units undergo all standard tests without destructive qualification. For more details, refer to the datasheet or contact foil@vishaypg.com.\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed, please search the internet for the part number for more details.\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"}
