FPR FNR 2-T227 4-T227
Foil Power Resistors
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Resistances from 0.001Ohm to 100Ohms
Power Rating to 80Watt
Resistance Tolerances to ±0.1%
TCR to ±15ppm/K
Load Stability to 0.1%
SPECIFICATIONS
Type
Terminals
Resistance Range
Power Rating
(with heatsink)
Thermal Resistance Rthj-c
Tolerances
Stability
Temperature Coefficient
FPR 2-T227
2
0.01 to 100 Ohms
60W
FPR 4-T227
4
(kelvin connection)
0.001 to 100 Ohms
FNR 2-T227
2
0.01 to 100 Ohms
80W
FNR 4-T227
4
(kelvin connection)
0.001 to 100 Ohms
1.3 K/W
0.1% / 1% / 2% / 5%
(others upon request)
0.1% / 0.2% / 0.5%
(depends on stress)
1.0 K/W
±15 ppm/K (20 to 60°C)
from R < 0.02 Ohms ±20 ppm/K (20 to 60°C)
FPR 2-T227 / FNR 2-T227 TK Shift depends from
resistance value (see graph next page)
2.5 kV DC
< 1 µV/K
50A
(higher upon request)
-40°C to 130°C
Metalfoil CuNiMn (DIN 17471)
Al
2
O
3
Epoxy
Cu / tinned or nickel plated
backplate: 1.5Nm
terminals: 1.3 Nm
AlN
Voltage Proof
Thermal EMF
Max. Current
Operating Temperature
Resistor Material
Substrate
Housing
Connector Material
Max. Torque
Ordering Information
Part Number - Resistance - Tolerance
FPR 2-T227 1.1 Ohms 1%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
Page 43
rev. 03/2006A
RIEDON [ RIEDON POWERTRON ]
