FPR4 1414

FPR 4-1414
• Extremly Low-Ohm
• Highest Stability
• Low Temperature Coefficient
• Low Electrical Noise
• Low Inductance
• Customized Resistor Values
SPECIFICATIONS
ELECTRICAL
Resistance Range
:
0R01 ...1R
Power Rating
:
0.8 W without heatsink (70°C)
25 W with heatsink
Thermal Resistance Rthj-c :
< 4.2 K/W
Tolerances
:
0.1%, 0.25%, 0.5%, 1%
Stability
:
0.1%, 0.2%, 0.5% (depends on stress)
Temperature Coefficient :
±10 ppm/K (20...40)°C
±15 ppm/K (20...60)°C
±50 ppm/K (-40...130)°C
Insolation Resistance
:
1.5 kVDC
Max. Current
:
20 A
Thermal EMF
:
< 1 µV/K
:
-40°C...130°C
:
:
:
:
CuNiMn-Foil
Al2O3 (optional AlN)
Plastic / Epoxy
Cu-tinned / 4-pin
ENVIRONMENTAL
Operating Temperature Range
MECHANICAL
Resistor Material
Substrate
Housing
Connector Material
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk
FPR
4-1414
TEMPERATURE COEFFICIENT
2000
+ 15 ppm/K
1000
dR/R (ppm )
0
-1000
- 15 ppm/K
-2000
-3000
Limit 2 (3σ)
-4000
-5000
Nom inal dR/R
-6000
-7000
-40
Limit 1 (3σ)
-20
0
20
40
100
80
60
120
140
Tem perature (°C)
DERATING CURVE
without heatsink
120
0,2%
80
Power ( % from
nominal power)
Pow er (% from
nom inal pow er)
with heatsink
0,5%
100
0,1%
60
40
20
100
0,5%
80
0,2%
%
0,1%
60
40
20
0
0
25
40
55
70
85
100
115
130
25
50
85
100
115
Temperature of the backplate (°C)
DIMENSIONS
Am bient Tem perature (°C)
Dimensionsin mm
HOW TO ORDER
FPR 4-1414 0R05 D 0.5%
FPR 4-1414 0R01 D 0.1%
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail [email protected] web www.willow.co.uk
130