FPR FPS 2/4-T220 T221
Precision Power Shunt Resistors
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Resistances from 0.002Ohm to 50Ohms
Power Rating to 15Watt
Resistance Tolerances to ±0.1%
TCR to ±15ppm/K
Load Stability to 0.1%
TO-220 Housing
Convenient SMD D2Pak Available
SPECIFICATIONS
Type
Resistance Range
Power rating
free air 70°C
with heatsink
Thermal Resistance Rthj-c
Tolerances
from 0.002 Ohms
from 0.01 Ohms
from 0.1 Ohms
Stability
Temperature Coefficient
2% / 5%
1% / 2% / 5%
0.5% / 1% / 2% / 5%
FPR 2-
T220 T221
FPS 2-T220
FPR 4-
T220 T221
FPS 4-T220
0.002 to 50 Ohms
1.5 W
15 W
4.8 K/W
1% / 2% / 5%
0.1% / 0.25% / 0.5% / 1% / 2% / 5%
0.1% / 0.25% / 0.5% / 1% / 2% / 5%
0.1% / 0.2% / 0.5%
(depends on stress)
±15ppm/K (20 to 60°C)
±50ppm/K (-40 to 130°C)
R ≤ 0.2 Ohms TCR see table A next page
50 A
300 VDC
< 0.1µV/K
-40 to 130°C
CuNiMn-Foil
Al
2
O
3
or anodized aluminium
Epoxy or PPS
Cu tinned
2
1 Nm / T221: 0.8 Nm
4
1 Nm / T221: 0.8 Nm
±15ppm/K (20 to 60°C)
±50ppm/K (-40 to 130°C)
Max. Current
Voltage Proof
Thermal EMF
Operating Temperature Range
Resistor Material
Substrate
Housing
Connector Material
Terminals
Max. torque
Ordering Information
Part Number - Resistance - Contact - Tolerance
FPS 4-T220 0.01 Ohms C 0.1%
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
Page 45
rev. 03/2006A