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Solutions for passive, thermal and protection      Short lead times     French distributor

FHR Series


Precision Power Shunt Resistors

Features

  • Resistances from 0.001 Ohm to 500 Ohms
  • Power Rating to 2500 Watts
  • Resistance Tolerances to ±0.1%
  • TCR to ±15ppm/K
  • Load Stability to 0.1%
  • Very Low Inductance (<50nH)
Data chart

Type 8065 80110 80216 80320 80370
Resistance Range 1.001 to 400 Ohms 0.001 to 500 Ohms
Power Rating
free air 25°C
with heatsink

24 W
350 W

32 W
600 W

60 W
1200 W

80 W
2000 W

90 W
2500 W
Thermal Resistance Rthj-c 0.16 K/W 0.09 K/W 0.04 K/W 0.026 K/W 0.022 K/W
Tolerances (4 terminal version)
from 0.001 Ohms
from 0.01 Ohms
from 0.02 Ohms

Tolerances (2 terminal version)

0.5% / 1% / 2% 5%
0.25% / 0.5% / 1% / 2% / 5%
0.1% / 0.25% / 0.5% / 1% / 2%/ 5%

0.5% /1% / 2% / 5%
Stability 0.1% / 0.2% / 0.5%
(depends on stress)
Temperature Coefficient (4 terminal version)



Temperature Coefficient (2 terminal version)


±15ppm/K (20 to 60°C)
from R ≤ 0.02 Ohms ±20ppm/K (20 to 60°C)
from R ≤ 0.01 Ohms ±30ppm/K (20 to 60°C)

±15ppm/K (20 to 60°C)
±50ppm/K (-40 to 130°C)
R ≤ 0.2 Ohms TCR (see Table A)
Max. Current 60A
upon request special cable up to 250 A
Inductivity < 50 nH
Capacity against housing 500 pF 850 pF 1.7 nF 2.5 nF 2.9 nF
Insulation Strength 1.5 kVDC (higher upon request)
Thermal EMF < 0.1µV/K
Operating Temperature Range -40 to 130°C
Resistor Material CuNiMn-Foil
Substrate anodized aluminum
Housing anodized aluminum
Connector Material Cu-Cable / 4mm2 / 500mm length
(other upon request / AWG possible)
Terminals 2 or 4
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