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Current Sensing Resistor CTS 73M1AR011F Featuring Metal Plate Construction and JEDEC Certification

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Current Sensing Resistor CTS 73M1AR011F Featuring Metal Plate Construction and JEDEC Certification

Power(Watts) : 1W

Resistance : 11mΩ

Type : Current Sense Resistor

Tolerance : ±1%

Description : 1W 11mΩ Current Sense Resistor ±1% 1206 Chip Resistor - Surface Mount RoHS

Mfr. Part # : 73M1AR011F

Model Number : 73M1AR011F

Package : 1206

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Product Overview

The 73M1A, 73M2A, 73M3x, and 73M5 Series Current Sensing Resistors are metal plate packaged devices designed for excellent accuracy in current detection and limiting. Utilizing a special metallic resistor material, these resistors offer superior electrical and thermal characteristics, making them suitable for a wide range of industrial applications including motor control, power supplies, and battery circuits.

Product Attributes

  • Brand: CTS Corporation
  • Construction: Metal Plate
  • Terminal Finish: Matte Tin [e3]
  • Reflow Capable: per JEDEC J-STD-020, +260C Maximum
  • Packaging: Tape and Reel
  • Certifications: JEDEC J-STD-020, JIS C 5201-1, MIL-STD-202

Technical Specifications

Model TypePower Rating [Watts]Resistance Range [m]Resistance Tolerance [%]Rated Ambient TemperatureOperating Temperature RangeTemperature Coefficient
73M1A1.00.25 - 501+70C-55C to +155CR < 0.010: 100ppm/C, R 0.010: 50ppm/C
73M2A2.00.25 - 751+70C-55C to +155CR < 0.010: 100ppm/C, R 0.010: 50ppm/C
73M3A3.00.25 - 31+70C-55C to +155CR 0.001: 200ppm/C, R > 0.001: 100ppm/C
73M3B3.04 - 1001+70C-55C to +155C50ppm/C
73M55.01 - 1201+70C-55C to +155CR < 0.010: 100ppm/C, R 0.010: 50ppm/C
TestMaximum Delta R [%]Condition
Short-Time Overload0.5Applied electric power equal to 3 times rated power in 5s [JIS C 5201-1 4.13]
Short-Time Overload2.0[73M5]
Insulation ResistanceOver 109 ohmMeasured at terminals and center of resistor by D.C. 100V 15V in 1 minute [JIS C 5201-1 4.6]
Dielectric Withstanding VoltageNo BreakdownApplied at terminals and center of resistor on A.C. 500V, 1 minute [JIS C 5201-1 4.7]
Resistance to Solder Heat0.5Place on copper sheet [t = 0.2mm] heated by solder, +260C 5C, 5 0.5 seconds
SolderabilityOver 95% CoverageImmerse terminal in solder [Sn3Ag0.5Cu], +245C 0.5C, 3 0.5 seconds [JIS C 5201-1 4.17]
Vibration0.5Frequency 10Hz to 55Hz, Pk-Pk amplitude 15mm, sweeping rate 1 minute, 3 directions each 2 hours [JIS C 5201-1 4.22]
Resistance to SolventNo DamageImmerse in Isopropyl alcohol, +20C to +25C, 60 5 seconds
High Temperature Exposure2.01,000 hours @ +155C 2C, bias load 0% power [JIS C 5201-1 4.23.2]
Change of Temperature0.530 minutes @ -55C, 3 minutes @ +25C, 30 minutes @ +155C, 3 minutes @ +25C; 5 cycles
Moisture Resistance1.0MIL-STD-202, Method 106, 0% power 7a and 7b not required, 1 cycle = 24 hours, 10 cycles
Bias Humidity1.01,000 hours @ +85C 2C, 85% relative humidity, bias load 10%, on time 90 minutes/off time 30 minutes
Endurance [Rated Load]2.01,000 hours @ +70C 3C, bias load, on time 90 minutes/off time 30 minutes

2411201003_CTS-73M1AR011F_C4352934.pdf


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