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  • Home
  • Cross Reference
  • Technical Information
  • How To Buy
  • Contact Us
  • About Us
  • Custom Resistor
Riedon offers the best lead-time in the industry. Average lead-time is 4-5 weeks for wire wound resistors. 1-2 week premium delivery is also available!

Power Resistors

NPR NPS 2-T220

NHR NHS 2-T220 T221

Power Resistors

pdf
USR2-T220.jpg
  •  
    • Resistance from 0.02 Ohm to 100K Ohms
    • Power Rating to 50 Watts
    • Resistance Tolerances to ±1%
    • TCR to ±50ppm/K
    • Load Stability to 0.5%
    • TO-220 Housing
    • Convenient SMD D2Pak Available
Type NPR / NPS NHR / NHS
Resistance Range 0.02 Ohms to 100K Ohms 0.02 Ohms to 15K Ohms
Power Rating
free air 70°C
with heatsink

1.5W
30W

1.5W
50W
Thermal Resistance Rthj-c 3.5 K/W 2.1 K/W
Tolerances
from 0.02 Ohms
from 1.0 Ohms

2% / 5%
1% / 2% / 5%
Stability 0.5%
Temperature Coefficient
0.02 to 0.049 Ohms
0.05 to 0.099 Ohms
0.1 to 100 kOhms

±600ppm/K
±300ppm/K
±100ppm/K
upon request ±50ppm/K
Voltage Proof 2.0 kVDC 1.5 kVDC
Operating Temperature Range -40 to 155°C
Resistor Material Thick Film
Substrate AI2O3
Housing Epoxy or PPS
Connector Material Cu tinned
Terminals 2
Max. torque T220: 1 Nm
T221: 0.8 Nm

 pdfSee PDF Datasheet for Full Specifications

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