FPR FNR 2 - T227
FEATURES
•
•
•
•
•
Resistances from 0.001Ohm to 100Ohms
Power Rating to 80Watt
Resistance Tolerances to ±0.1%
TCR to ±50ppm/K
Load Stability to 0.1%
TABLE 1—SPECIFICATIONS
TYPE
Resistance Range
Power Rating
Tolerances
Thermal Resistance
Stability (1000h)
Temperature Coefficient
Voltage Proof
Maximum Current
Thermal EMF
Operating Temperature Range
Resistor Material
Substrate
Backplate
Housing
Connector Material
Max. Torque
Terminals
With heatsink
FPR 2-T227
0.01 to 100 Ohms
60W
0.1% / 0.5% / 1% / 2% / 5%
(others upon request)
1.3 K/W
0.1% / 0.2% / 0.5%
(depends on stress)
±50 ppm/K (20°C to 60°C)
1.5 kVDC
50 A contact G
85 A contact I
<0.1 μV/K
–40°C to 130°C
CuNiMn-Foil
Al
2
O
3
Copper / Nickel-plated
Epoxy
Cu / tinned
backplate: 1.5 Nm
terminals: 1.3 Nm
2 (standard contact G - bended)
AlN
80W
FNR 2-T227
1.0 K/W
ORDERING INFORMATION
Part Number - Resistance - Contact - Tolerance
FPR 2-T227 0R010 G 1%
Document No.: 64207
Revision: 15-06-2016
For technical questions,
contact
powertron@vpgsensors.com
www.powertron.de
1
FPR FNR 2 - T227
FIGURE 1—TEMPERATURE COEFFICIENT
4000
2000
Limit 2
0
-2000
∆R/R
(ppm)
-4000
Nominal
∆R/R
-6000
-8000
-10000
Limit 1
-12000
-40
-20
0
20
40
60
80
100
120
140
Temperature (°C)
FIGURE 2—DERATING
Power Rating Notes -
120
Power ( % from
nominal power)
0.5%
0.2%
0.1%
100
80
60
40
20
0
25
The FPR/FNR Series Foil Resistors must be attached to a suit-
able heatsink. The maximum internal resistor temperature is
130°C for a 0.5% stability part.
To specify an appropriate heatsink use the following formula :
R
θH
= T
MAX
- ( P x R
θR
) - T
A
P
50
85
100
115
130
Where:
Tem perature of the backplate (°C)
R
θ
H
= Thermal Resistance of Heatsink ( K/W )
R
θ
R
= Thermal Resistance of Resistor ( K/W )
T
MAX
= Maximum Temperature of Resistor
T
A
= Ambient Temperature of Heatsink ( °C )
P = Power Through Resistor ( W )
FIGURE 3—DIMENSIONS
in mm (inches)
Dimension
A
±0.5 (±0.02)
B
±0.5 (±0.02)
C
±0.2 (±0.008)
D
±0.2 (±0.008)
E
±0.2 (±0.008)
F
±0.2 (±0.008)
G
±0.2 (±0.008)
H
±0.2 (±0.008)
I
±0.2 (±0.008)
J
±0.2 (±0.008)
K
±0.2 (±0.008)
L
±0.1 (±0.004)
M
N
±0.2 (±0.008)
O
±0.2 (±0.008)
mm
26 (1.02)
38 (1.50)
12.7 0.50)
4 (0.16)
30 (1.18)
15 (0.59)
4.1 (0.16)
10 (0.39)
8 (0.31)
4 (0.16)
2 (0.08)
0.8 (0.03)
M4
10 (0.39)
11.9 (0.47)
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For technical questions,
contact
powertron@vpgsensors.com
Document No.: 64207
Revision: 15-06-2016
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Revision: 15-Jul-2014
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