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OAR1R005FLF

SKU: OAR1R005FLF

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IRC OAR1R005FLF Current Sense Resistors

Enhance your electronic designs with the high-performance Current Sense Resistors from IRC/TT Electronics. Designed for precision current measurement applications, these resistors feature robust construction and reliable electrical characteristics.

Product Features:

  • Part Number: OAR1R005FLF
  • Manufacturer: IRC/TT Electronics
  • Country of Origin: CN
  • Unit of Measure: EA
  • ECCN: EAR99
  • Package Type: Open Air Resistor Metal Element
  • Datasheet: Download Datasheet

Electrical Specifications:

Part Number Power Rating @ 85°C (Watts) Resistance Range (mΩ) Tolerance (%) Wire TCR (ppm/°C) Inductance (nH)
OAR-1 (TP) 1.0 3, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 100 1, 2¹, 5 <R005: 180, ≥R005 <R025: 20, ≥R025: 30 <10
OAR-3 (TP) 3.0 2.5, 3, 4, 5, 6, 7, 10, 15, 20, 25, 30, 40, 45, 50, 60, 70, 100 <R004: 180, ≥R004 <R040: 20, ≥R040: 30    
OAR-5 (TP) 5.0 3, 4, 5, 6, 6.2, 10, 12, 15, 20, 25, 30, 40, 50 <R005: 180, ≥R005 <R025: 20, ≥R025: 30    

Environmental and Thermal Data:

  • Load Life (1000 hours @ 25°C): ∆R/R < 1%
  • Moisture (no load for 1000 hours): ∆R/R < 1%
  • Temperature Cycling (-40°C to +125°C for 1000 cycles): ∆R/R < 1%
  • Operating Temperature Range: -40°C to +125°C

Thermal Performance:

Product Hot Spot Temperature Solder Joint Temperature
OAR-1 5 mΩ @ 1 W 87°C 45°C
OAR-3 5 mΩ @ 3 W 160°C 70°C
OAR-5 5 mΩ @ 5 W 230°C 96°C

Power Derating & Surge Capabilities:

The OAR series features robust metal alloy construction capable of withstanding temperatures exceeding 300°C. Power derating curves are conservative, allowing for higher operating levels under system thermal design considerations. Surge current capabilities are supported by the high thermal and electrical robustness of the design, suitable for pulse durations of 50 ms.

Note: The surge current charts are approximate and should be verified through actual testing for specific applications.

Physical Dimensions:

Type A (mm) B1 max (mm) C (mm) E (mm) F (mm)
OAR1 0.45 +0.04/-0.02 0.32 0.125 ±0.03 0.065 +0.01/-0.005 0.04 ±0.002
OAR3 0.60 +0.04/-0.02 0.92      
OAR5 0.80 +0.04/-0.02 0.88      

For more detailed specifications and thermal data, please refer to the datasheet.

Note: The datasheet was not processed; please search the internet for the part number for more details.


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