BE Services, Inc., a subsidiary of Bourns, Inc., has purchased substantially all of Riedon's assets. See Press Release

Precision Power Shunt Resistors

FHR 2/4-8065 80110 80216 80320

80370 Series

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)

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