FHR FNR
2-T238 4-T238
•
Extremely Low Ohm Rating
•
High Stability
•
Two- and
Four Circuit Technology
•
Low Temperatur Coefficient
•
Low Electrical Noise
•
Low Inductance
SPECIFICATIONS
ELECTRICAL
Resistance Range
Power Rating
:
:
FHR 2/4-T238
FHN 2-T238
R01/R001...100R
60 W*
* with heatsink
1.3 K/W
FNR 2/4-T238
FNN 2-T238
R01/R001...100R
80 W*
Thermal Resistance Rthj-c :
Tolerances
:
1.0 K/W
0.5%, 1%, 2%, 5%
(other Tolerances upon request)
0.5
±15 ppm/K (20...60)°C / ±50 ppm/K (-40...130)°C
R < R02: ±20 ppm/K (20...60)°C
FHR/FNR2-T238 as well as FHN/FNN TCR-Shift
depending on the resistor value
2.5 kVDC
< 1 µV/K
40 A
45 A
(higher Values upon request)
Stability
Temperatur Coefficient
:
:
Voltage Proof
Thermal EMF
Max. Current
:
:
:
ENVIRONMENTAL
Operative Temperature Range :
-40°C...130°C
Metalfoil CuNiMn ( DIN 17471)
Al
2
O
3
AlN
Epoxy
Cu or brass, tinned
2-pin, 4-pin
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
sales@willow.co.uk
web
www.willow.co.uk