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current sensing resistor CTS 73WE7R022J designed for industrial equipment and power supply applications

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current sensing resistor CTS 73WE7R022J designed for industrial equipment and power supply applications

Resistance : 22mΩ

Power(Watts) : 2W

Temperature Coefficient : ±100ppm/℃

Operating Temperature : -55℃~+155℃

Type : Thick Film Resistor

Tolerance : ±5%

Description : 22mΩ 2W ±100ppm/℃ Thick Film Resistor ±5% 2512 Chip Resistor - Surface Mount RoHS

Mfr. Part # : 73WE7R022J

Model Number : 73WE7R022J

Package : 2512

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Product Overview

The 73WLx & 73WEx Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection and limiting. These resistors 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 Corporation
  • Construction: Thick Film
  • Terminal Finish: Matte Tin (e3)
  • Certifications: RoHS Compliant (73WLX) in Accordance with EU Directive 2011/65/EU and 2015/863 - Lead-Free Termination Finish - Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass
  • Packaging: Tape and Reel
  • Reflow Capable: per JEDEC J-STD-020, +260C maximum

Technical Specifications

Model TypePackage Size [Inch/mm]Rated Power [Watts] @ +70CResistance Range [m]Resistance Tolerance [%]Temperature CoefficientOperating Temperature RangeWorking Voltage [max V]Overload Voltage [max V]
73WL41206 [3216]0.7510 - 91 [1%], 5 - 91 [5%]1, 5200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) -55C to +155C200400
73WE41206 [3216]0.7510 - 91 [1%], 5 - 91 [5%]1, 5100ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m)
73WL62010 [5025]1.010 - 91 [1%], 5 - 91 [5%]1, 5200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) -55C to +155C200400
73WE62010 [5025]1.010 - 91 [1%], 5 - 91 [5%]1, 5100ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m)
73WL72512 [6432]2.010 - 91 [1%], 5 - 91 [5%]1, 5200ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m) -55C to +155C200400
73WE72512 [6432]2.010 - 91 [1%], 5 - 91 [5%]1, 5100ppm/C (100-910m), 500ppm/C (10-33m), 350ppm/C (36-91m)

Environmental Parameters

TestTest DescriptionMaximum Delta R [%]
Temperature Coefficient1 Measured temperature at -55C to 155C200ppm/C
Short-Time OverloadApply 2.5 times the rated voltage, 5 seconds, maximum 100V2.0
Insulation ResistanceOver 10 9 ohm Measured at terminals and center of resistor by D.C. 100V 15V in 1 minute [JIS C 5202]-
Dielectric Withstanding VoltageNo Breakdown Applied at terminals and center of resistor on A.C. 400V, 1 minute [JIS C 5201-1 4.7]-
Resistance to Solder HeatNo Damage Immerse in solder, +260C 5C, 10 1 seconds1.0
SolderabilityOver 95% Coverage Immerse terminal in solder [Sn3Ag0.5Cu], +245C 0.5C, 3 0.5 seconds [JIS C 5201-1 4.17]-
High Temperature Exposure1,000 hours @ +155C 2C, bias load 0% power [JIS C 5201-1 4.23.2]3.0
Change of Temperature30 minutes @ -55C, 10 minutes @ +25C, 30 minutes @ +155C, 10 minutes @ +25C; 1,000 cycles1.0
Moisture ResistanceMIL-STD-202, Method 106, 0% power 7a and 7b not required, 1 cycle = 24 hours, 10 cycles1.0
Bias Humidity1,000 hours @ +85C 2C, 90% - 95% relative humidity, bias load 10%, on time 90 minutes/off time 30 minutes3.0
Endurance [Rated Load]1,000 hours @ +70C 3C, bias load, on time 90 minutes/off time 30 minutes3.0
Resistance to SolventNo Damage Immerse in Isopropyl alcohol, +20C to +25C, 60 5 seconds-
Terminal Strength [Bending]3mm bending, 1mm/second, hold 5 seconds0.1

Mechanical Specifications

Package Dimensions [mm]

Model TypeCLW
73WL40.653.22.65
73WE40.653.22.65
73WL61.35.04.0
73WE61.35.04.0
73WL70.55.04.0
73WE70.55.04.0

Recommended Pad Layout [mm]

Model TypeDimensions [mm]
73WL40.5 0.2, 0.3 0.2
73WE40.5 0.2, 0.3 0.2
73WL60.6 0.2, 0.5 0.2
73WE60.6 0.2, 0.5 0.2
73WL70.5 0.2, 0.3 0.2
73WE70.5 0.2, 0.3 0.2

Terminal Details

Base Metal - Silver [Ag] or Cooper [Cu] plate. Barrier Plating Nickel [Ni]. Finish Plating Matte Tin [Sn].

Packaging Information

Tape and Reel Information [mm]

Model TypePaper Tape [mm] APaper Tape [mm] BPaper Tape [mm] tEmbossed Tape [mm] AEmbossed Tape [mm] BEmbossed Tape [mm] t
73WL42.003.571.0 0.16.6 0.15.3 0.10.80 0.20
73WL62.003.571.0 0.16.6 0.15.3 0.10.80 0.20
73WL72.003.571.0 0.16.6 0.15.3 0.10.80 0.20
73WE42.003.571.0 0.16.6 0.15.3 0.10.80 0.20
73WE62.003.571.0 0.16.6 0.15.3 0.10.80 0.20
73WE72.003.571.0 0.16.6 0.15.3 0.10.80 0.20

Reel [mm]

Model TypeQuantity Per ReelReel [mm] WReel [mm] MReel [mm] AReel [mm] BReel [mm] CReel [mm] D
73WL44,0006021.9 0.613.5 0.62.5 0.6180-
73WE44,0006021.9 0.613.5 0.62.5 0.6180-
73WL64,0006021.9 0.613.5 0.62.5 0.6180-
73WE64,0006021.9 0.613.5 0.62.5 0.6180-
73WL75,0006017.0 1.413.0 1.42.5 0.6180-
73WE75,0006017.0 1.413.0 1.42.5 0.6180-

2411201003_CTS-73WE7R022J_C4319670.pdf


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