FHR 2/4-6520 ... 120120
•
Power Rating from to 1000A
•
High Stability
•
Low Inductivity
•
Low Temperature Coefficient
SPECIFICATIONS
ELECTRICAL
FHR 2/4-120120
FHR 2/4-128120
FHR 2/4-7580
FHR 2/4-8080
FHR 2/4-7050
FHR 2/4-7750
FHR 2/4-10050
FHR 2/4-6520
FHR 2/4-10020
rated current
resistor value
(at 50 mV nominal output)
P
max
50 W
38 W
30 W
25 W
15 W
13 W
8W
5W
3W
1000 A
50 µΩ
750 A
67 µΩ
600 A
83 µΩ
500 A
100 µΩ
300 A
167 µΩ
250 A
200 µΩ
150 A
333 µΩ
100 A
500 µΩ
50 A
1000 µΩ
(other rated currents and nominal outputs upon request possible)
:
1%, 2%, 5%
(other Tolerances upon request)
±15 ppm/K (20°C ... 60°C, only 4-pin type)
< 1 µV/K
Tolerances
Temperature Coefficient
Thermal EMF
:
:
ENVIRONMENTAL
Operating Temperature Range
:
:
:
-40°C ... 130°C
Metalplate CuNiMn (DIN 17471)
Cu, upon request nickelized
2-pin, 4-pin
MECHANICAL
Resistor Material
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
sales@willow.co.uk
web
www.willow.co.uk
FHR
2/4-6520 ... 120120
TEMPERATURE COEFFICIENT
2000
1000
0
dR/R (ppm )
-1000
-2000
-3000
Limit 2 (3
σ
)
+ 15 ppm/K
- 15 ppm/K
-4000
-5000
-6000
-7000
-40
Limit 1 (3
σ
)
Nom inal dR/R
-20
0
20
40
60
80
100
120
140
Tem perature (°C)
DERATING CURVE
Pow er (% from
nom inal pow er)
100
80
60
40
20
0
25
40
55
70
85
100
115
130
Heatsink - Tem perature (°C)
0,5%
0,2%
0,1%
CONSTRUCTION
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail
sales@willow.co.uk
web
www.willow.co.uk
FHR
2/4-6520 ... 120120
DIMENSIONS
FHR2/4 - 120120
FHR2/4 - 128120
FHR2/4 - 7580
FHR2/4 - 8080
FHR2/4 - 7050
FHR2/4 - 7750
FHR2/4 - 10050
FHR2/4 - 6520
FHR2/4 - 10020
HOW TO ORDER
FHR 2-120120 0R00005 5%
FHR 4-8080 0R0001 2%
FHR 4-6520 0R0005 2%
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, UK
Tel. + 44 (0) 1342 835234, Fax. + 44 (0) 1342 834306, e-mail
sales@willow.co.uk
web
www.willow.co.uk
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