BI Technologies TRIMMER 1K OHM 0.25W J LEAD TOP - Part Number: 44WR1KLFTB
The BI Technologies 44WR1KLFTB is a high-quality cermet trimming potentiometer designed for precise adjustability and reliable performance in various electronic applications. This compact, sealed SMD package is ideal for space-constrained designs and demanding environments, offering long-term stability and durability.
Features
Space-saving SMD package suitable for compact board layouts
Sealed construction to withstand aggressive water wash processes
Long life—set and forget design for reliable calibration
Available in top and side adjustment versions with J-Hook or gull wing terminations
High quality and reliability from BI Technologies
Applications
Adjustability or calibration in electronic circuits
Medical devices
Consumer electronics
Electrical Specifications
Parameter
Details
Resistance Range
10 Ohms to 2 Megohms
Resistance Tolerance
±10% (<100 Ohms = ±20%)
Input Voltage
300 Vdc max. or rms, not to exceed power rating
Slider Current
100 mA max. or within rated power
Power Rating
0.25 Watts at 85°C, derating to 0 at 150°C
End Resistance
1% or 2 Ohms max., whichever is greater
Electrical Travel
9 turns nominal
Dielectric Strength
600 Vrms
Insulation Resistance
1,000 Megohms minimum
Contact Resistance Variation
1% or 3 Ohms max., whichever is greater
Environmental & Mechanical
Seal: 85°C Fluorinert® (No Leaks)
Temperature Coefficient: ±100 ppm/°C (<100 Ohms = ±250 ppm/°C)
Operating Temperature Range: -65°C to +150°C
Thermal Shock: 5 cycles from -65°C to +150°C
Moisture Resistance: 10 cycles, IR 10 Megohms min.
Shock: 6 ms saw-tooth, 100 G’s
Vibration: 20 G’s, 10 to 2,000 Hz
Rotational Life: 200 cycles
Load Life: 1,000 hours at 85°C & 0.25 Watts
Solder Heat Resistance: 260°C for 10 sec.
Temperature Exposure: 215°C for 3 min. max.
Mechanical & Packaging
Mechanical Stops: Clutch action at both ends, torque starting at 3 oz.-in. (0.021 N-m)
Weight: 0.3 grams
Packaging: Embossed Tape & Reel (12 mm or 16 mm tape widths, 13” or 7” reel options), optional anti-static tubes
Part Details
Part Number: 44WR1KLFTB
Manufacturer: BI Technologies
Country of Origin: Malaysia (MY)
UOM: Each (EA)
ECCN: EAR99
Package Type: SMD
For detailed technical specifications and application guidance, please refer to the datasheet.
Note: The product specifications are subject to change without notice. Please verify details with the manufacturer for the most current information.
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":10003585466685,"title":"44WR1KLFTB","handle":"44wr1klftb","description":"\u003ch3\u003eBI Technologies TRIMMER 1K OHM 0.25W J LEAD TOP - Part Number: 44WR1KLFTB\u003c\/h3\u003e\n\n\u003cp\u003eThe BI Technologies 44WR1KLFTB is a high-quality cermet trimming potentiometer designed for precise adjustability and reliable performance in various electronic applications. This compact, sealed SMD package is ideal for space-constrained designs and demanding environments, offering long-term stability and durability.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSpace-saving SMD package suitable for compact board layouts\u003c\/li\u003e\n \u003cli\u003eSealed construction to withstand aggressive water wash processes\u003c\/li\u003e\n \u003cli\u003eLong life—set and forget design for reliable calibration\u003c\/li\u003e\n \u003cli\u003eAvailable in top and side adjustment versions with J-Hook or gull wing terminations\u003c\/li\u003e\n \u003cli\u003eHigh quality and reliability from BI Technologies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAdjustability or calibration in electronic circuits\u003c\/li\u003e\n \u003cli\u003eMedical devices\u003c\/li\u003e\n \u003cli\u003eConsumer electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e10 Ohms to 2 Megohms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n \u003ctd\u003e±10% (\u0026lt;100 Ohms = ±20%)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInput Voltage\u003c\/td\u003e\n \u003ctd\u003e300 Vdc max. or rms, not to exceed power rating\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSlider Current\u003c\/td\u003e\n \u003ctd\u003e100 mA max. or within rated power\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating\u003c\/td\u003e\n \u003ctd\u003e0.25 Watts at 85°C, derating to 0 at 150°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEnd Resistance\u003c\/td\u003e\n \u003ctd\u003e1% or 2 Ohms max., whichever is greater\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical Travel\u003c\/td\u003e\n \u003ctd\u003e9 turns nominal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd\u003e600 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003e1,000 Megohms minimum\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance Variation\u003c\/td\u003e\n \u003ctd\u003e1% or 3 Ohms max., whichever is greater\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeal: 85°C Fluorinert® (No Leaks)\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: ±100 ppm\/°C (\u0026lt;100 Ohms = ±250 ppm\/°C)\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -65°C to +150°C\u003c\/li\u003e\n \u003cli\u003eThermal Shock: 5 cycles from -65°C to +150°C\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: 10 cycles, IR 10 Megohms min.\u003c\/li\u003e\n \u003cli\u003eShock: 6 ms saw-tooth, 100 G’s\u003c\/li\u003e\n \u003cli\u003eVibration: 20 G’s, 10 to 2,000 Hz\u003c\/li\u003e\n \u003cli\u003eRotational Life: 200 cycles\u003c\/li\u003e\n \u003cli\u003eLoad Life: 1,000 hours at 85°C \u0026amp; 0.25 Watts\u003c\/li\u003e\n \u003cli\u003eSolder Heat Resistance: 260°C for 10 sec.\u003c\/li\u003e\n \u003cli\u003eTemperature Exposure: 215°C for 3 min. max.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMechanical Stops: Clutch action at both ends, torque starting at 3 oz.-in. (0.021 N-m)\u003c\/li\u003e\n \u003cli\u003eWeight: 0.3 grams\u003c\/li\u003e\n \u003cli\u003ePackaging: Embossed Tape \u0026amp; Reel (12 mm or 16 mm tape widths, 13” or 7” reel options), optional anti-static tubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: 44WR1KLFTB\u003c\/li\u003e\n \u003cli\u003eManufacturer: BI Technologies\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Malaysia (MY)\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: SMD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed technical specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bi\/bi-44wr1klftb.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The product specifications are subject to change without notice. Please verify details with the manufacturer for the most current information.\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":"2025-08-05T07:54:59+05:30","created_at":"2025-08-05T07:54:59+05:30","vendor":"Waldom Electonics","type":"Potentiometers, Trimmers \u0026 Rheostats","tags":["25W","BI","OHM","Potentiometers","Rheostats","STD_IMG","WLDM"],"price":26332,"price_min":26332,"price_max":26332,"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":50550970810685,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"44WR1KLFTB","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"44WR1KLFTB","public_title":null,"options":["Default Title"],"price":26332,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"44WR1KLFTB","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_594f3869-0c89-4c4a-8195-4bd22789981d.jpg?v=1754360699"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_594f3869-0c89-4c4a-8195-4bd22789981d.jpg?v=1754360699","options":["Title"],"media":[{"alt":null,"id":45674115694909,"position":1,"preview_image":{"aspect_ratio":1.0,"height":1024,"width":1024,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_594f3869-0c89-4c4a-8195-4bd22789981d.jpg?v=1754360699"},"aspect_ratio":1.0,"height":1024,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/fbe811dc-181f-41c1-ab5a-dc3410446d1d_594f3869-0c89-4c4a-8195-4bd22789981d.jpg?v=1754360699","width":1024}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBI Technologies TRIMMER 1K OHM 0.25W J LEAD TOP - Part Number: 44WR1KLFTB\u003c\/h3\u003e\n\n\u003cp\u003eThe BI Technologies 44WR1KLFTB is a high-quality cermet trimming potentiometer designed for precise adjustability and reliable performance in various electronic applications. This compact, sealed SMD package is ideal for space-constrained designs and demanding environments, offering long-term stability and durability.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSpace-saving SMD package suitable for compact board layouts\u003c\/li\u003e\n \u003cli\u003eSealed construction to withstand aggressive water wash processes\u003c\/li\u003e\n \u003cli\u003eLong life—set and forget design for reliable calibration\u003c\/li\u003e\n \u003cli\u003eAvailable in top and side adjustment versions with J-Hook or gull wing terminations\u003c\/li\u003e\n \u003cli\u003eHigh quality and reliability from BI Technologies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eAdjustability or calibration in electronic circuits\u003c\/li\u003e\n \u003cli\u003eMedical devices\u003c\/li\u003e\n \u003cli\u003eConsumer electronics\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n \u003ctr\u003e\n \u003cth\u003eParameter\u003c\/th\u003e\n \u003cth\u003eDetails\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Range\u003c\/td\u003e\n \u003ctd\u003e10 Ohms to 2 Megohms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eResistance Tolerance\u003c\/td\u003e\n \u003ctd\u003e±10% (\u0026lt;100 Ohms = ±20%)\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInput Voltage\u003c\/td\u003e\n \u003ctd\u003e300 Vdc max. or rms, not to exceed power rating\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eSlider Current\u003c\/td\u003e\n \u003ctd\u003e100 mA max. or within rated power\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003ePower Rating\u003c\/td\u003e\n \u003ctd\u003e0.25 Watts at 85°C, derating to 0 at 150°C\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eEnd Resistance\u003c\/td\u003e\n \u003ctd\u003e1% or 2 Ohms max., whichever is greater\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eElectrical Travel\u003c\/td\u003e\n \u003ctd\u003e9 turns nominal\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eDielectric Strength\u003c\/td\u003e\n \u003ctd\u003e600 Vrms\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n \u003ctd\u003e1,000 Megohms minimum\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eContact Resistance Variation\u003c\/td\u003e\n \u003ctd\u003e1% or 3 Ohms max., whichever is greater\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eEnvironmental \u0026amp; Mechanical\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eSeal: 85°C Fluorinert® (No Leaks)\u003c\/li\u003e\n \u003cli\u003eTemperature Coefficient: ±100 ppm\/°C (\u0026lt;100 Ohms = ±250 ppm\/°C)\u003c\/li\u003e\n \u003cli\u003eOperating Temperature Range: -65°C to +150°C\u003c\/li\u003e\n \u003cli\u003eThermal Shock: 5 cycles from -65°C to +150°C\u003c\/li\u003e\n \u003cli\u003eMoisture Resistance: 10 cycles, IR 10 Megohms min.\u003c\/li\u003e\n \u003cli\u003eShock: 6 ms saw-tooth, 100 G’s\u003c\/li\u003e\n \u003cli\u003eVibration: 20 G’s, 10 to 2,000 Hz\u003c\/li\u003e\n \u003cli\u003eRotational Life: 200 cycles\u003c\/li\u003e\n \u003cli\u003eLoad Life: 1,000 hours at 85°C \u0026amp; 0.25 Watts\u003c\/li\u003e\n \u003cli\u003eSolder Heat Resistance: 260°C for 10 sec.\u003c\/li\u003e\n \u003cli\u003eTemperature Exposure: 215°C for 3 min. max.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eMechanical \u0026amp; Packaging\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eMechanical Stops: Clutch action at both ends, torque starting at 3 oz.-in. (0.021 N-m)\u003c\/li\u003e\n \u003cli\u003eWeight: 0.3 grams\u003c\/li\u003e\n \u003cli\u003ePackaging: Embossed Tape \u0026amp; Reel (12 mm or 16 mm tape widths, 13” or 7” reel options), optional anti-static tubes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePart Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003ePart Number: 44WR1KLFTB\u003c\/li\u003e\n \u003cli\u003eManufacturer: BI Technologies\u003c\/li\u003e\n \u003cli\u003eCountry of Origin: Malaysia (MY)\u003c\/li\u003e\n \u003cli\u003eUOM: Each (EA)\u003c\/li\u003e\n \u003cli\u003eECCN: EAR99\u003c\/li\u003e\n \u003cli\u003ePackage Type: SMD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor detailed technical specifications and application guidance, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-bi\/bi-44wr1klftb.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The product specifications are subject to change without notice. Please verify details with the manufacturer for the most current information.\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"}
