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Flat Terminal Current Sensing Resistor CTS 73L3R39G for Accurate Current Limiting in Motor Control

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Flat Terminal Current Sensing Resistor CTS 73L3R39G for Accurate Current Limiting in Motor Control

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Power(Watts) : 125mW

Resistance : 390mΩ

Mounting Type : SMD

Current Rating : -

Voltage Rating : -

Type : Current Sense Resistor

Temperature Coefficient : ±200ppm/℃

Tolerance : ±2%

Description : 390mΩ ±2% 125mW Current Sense Resistor

Mfr. Part # : 73L3R39G

Model Number : 73L3R39G

Package : 0805

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CTS 73Lx & 73Ex Series Current Sensing Resistor Flat Terminal Chip

The 73Lx & 73Ex Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection and limiting. They offer excellent electrical and thermal characteristics, making them suitable for a wide range of applications including motor control, power supplies, and industrial equipment.

Product Attributes

  • Brand: CTS
  • Construction: Thick Film
  • Terminal Finish: Matte Tin (e3)
  • Packaging: Tape and Reel
  • Certifications: RoHS Compliant in Accordance with EU Directive 2011/65/EU - Lead-Free Termination Finish - Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass

Technical Specifications

Model TypeRated Wattage (1 @ +70C) [W]Resistance Range [m]Resistance Tolerance [%]Temperature CoefficientOperating Temperature Range [C]Working Voltage [max V]Overload Voltage [max]
73L10.100100 - 910F=1, G=2, J=5300ppm/C-55 to +155200V=(P*R)
73L20.100100 - 910F=1, G=2, J=5200ppm/C-55 to +155200V=(P*R)
73L30.125100 - 910F=1, G=2, J=5100ppm/C-55 to +155200V=(P*R)
73L40.250100 - 910F=1, G=2, J=5200ppm/C-55 to +155200V=(P*R)
73L50.500100 - 910F=1, G=2, J=5100ppm/C-55 to +155200V=(P*R)
73L60.750100 - 910F=1, G=2, J=5200ppm/C-55 to +155200V=(P*R)
73L71.000100 - 910F=1, G=2, J=5100ppm/C-55 to +155200V=(P*R)
73E30.25050 - 91F=1, J=5100ppm/C-55 to +155------
73E40.50050 - 91F=1, J=5100ppm/C-55 to +155------
73E61.00050 - 91F=1, J=5100ppm/C-55 to +155------

Environmental Specifications

Test DescriptionMaximum Delta R [%]Test Conditions
Thermal Cycle5.005 cycles -55C to +125C
Short Time Overload2.502 times rated working voltage for 5 seconds
Moisture Resistance3.00240 hours; +40C, 90% RH
High Temperature Exposure3.001,000 hours @ +155C, no load
Load Life5.001,000 hours @ +70C, rated load
Resistance to Solder Heat3.0010 seconds @ +260C solder
Resistance to Solvents-Isopropyl alcohol, Freon TMC
Solderability-RMA Flux, +230C, 5 seconds dip, 95% coverage

Mechanical Specifications

Model TypePackage Code Inch [mm]Dimensions [mm] LDimensions [mm] WDimensions [mm] t
73L10402 [1005]2.00 0.100.70 0.100.25 0.10
73L20603 [1608]3.00 +0.20 -0.101.20 +0.15 -0.050.25 0.20
73L3 / 73E30805 [2012]4.00 +0.20 -0.101.65 +0.20 -0.100.40 0.20
73L4 / 73E41206 [3216]5.00 +0.10 -0.152.00 +0.15 -0.050.50 0.20
73L51210 [3225]5.00 +0.10 -0.152.90 +0.15 -0.050.50 0.20
73L6 / 73E62010 [5025]6.60 0.103.00 0.250.60 0.25
73L72512 [6432]8.20 0.153.70 0.250.60 0.25

2411041627_CTS-73L3R39G_C2111418.pdf


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