Beijing Silk Road Enterprise Management Services Co., Ltd.
                                                                                                           
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Current Sensing Resistors CTS 73L3R39F Thick Film Construction Electrical and Thermal Stability

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

CTS 73Lx & 73Ex Series Current Sensing Resistors

The 73Lx & 73Ex Series Current Sensing Resistors are ceramic packaged devices designed for excellent accuracy in current detection and limiting applications. These resistors offer good electrical and thermal characteristics, making them suitable for a wide range of industrial and electronic systems.

Product Attributes

  • Brand: CTS
  • Construction: Thick Film
  • Terminal Finish: Matte Tin (e3)
  • 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
  • Packaging: Tape and Reel

Technical Specifications

Model TypePower Rating @ +70CResistance Range [m]Resistance Tolerance [%]Operating Temperature RangeWorking Voltage [max V]Temperature Coefficient
73L10.10 W200 - 910F [1%], G [2%], J [5%] -55C to +155C100V (V=(P*R))300ppm/C
73L20.10 W200 - 910F [1%], G [2%], J [5%]
73L30.125 W100 - 910F [1%], G [2%], J [5%]200ppm/C
73L40.250 W100 - 910F [1%], G [2%], J [5%]100ppm/C
73L50.500 W100 - 910F [1%], G [2%], J [5%]100ppm/C
73L60.750 W100 - 910F [1%], G [2%], J [5%]200ppm/C
73L71.000 W100 - 910F [1%], G [2%], J [5%]200ppm/C
73E30.250 W50 - 91F [1%], J [5%] -55C to +155C---100ppm/C
73E40.500 W50 - 91F [1%], J [5%]100ppm/C
73E61.000 W50 - 91F [1%], J [5%]100ppm/C

Applications

  • Current Detection
  • Current Limiting
  • Regulated Battery Circuits
  • Motor Control
  • Power Supply
  • Hard Disk Drives
  • Inverter/Converter
  • Industrial Equipment
  • Infotainment Systems

Environmental Parameters

Test DescriptionMaximum Delta R [%]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

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Beijing Silk Road Enterprise Management Services Co., Ltd.
Location 16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person Sellina

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