USR UNR 4-1410
•
Highest Stability
•
Near Temperature
Independency
•
Lowest Tolerances
•
Low Capacitance And
Inductance
•
Customized Resistance Values
SPECIFICATIONS
ELECTRICAL
Resistance Range
Power Rating
Tolerance
from 0R1
from 10R
from 50R
Stability
:
:
:
:
:
:
:
USR 4-1410
0R1...100R
0.8 W (70°C)
UNR 4-1410
note
1)
0.1%, 0.25%, 0.5%, 1%
0.05%, 0.1%, 0.25%, 0.5%, 1%
0.01%, 0.02%, 0.05%, 0.1%, 0.25%, 0.5%, 1%
0.01%
max. ±5 ppm/K (-55...155)°C
typ. ±3 ppm/K (-55...125)°C
upon request ±1 ppm/K (0...60)°C
> 10 GOhm
< 1 µV/K
Temperature Coefficient :
Insolation Resistance
Thermal EMF
:
:
ENVIRONMENTAL
Operative Temperature Range
:
:
:
:
:
-55°C...155°C
NiCr-Foil
Al
2
O
3
PBTP / Epoxy
Cu tinned, 4-pin
MECHANICAL
Resistor Material
Substrate
Housing
Connector Material
AlN
note
1)
: Specially designed for applications with fast changing electrical load.
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom
Tel . + 44 (0) 1342 835234 Fax. + 44 (0) 1342 834306 E-Mail.
sales@willow.co.uk
Web.
www.willow.co.uk
USR UNR
4-1410
TEMPERATURE COEFFICIENT
600
+5 ppm/K
400-5 ppm/K
dR/R (ppm )
200
0
+2,2 ppm/K
-200
-400
-600
-50
-25
0
25
50
75
Tem perature (°C)
-1,8 ppm/K
No minal-dR/R
No minal-Spread
+/-2,3 ppm/K
No minal-Spread
+/-2,3 ppm/K
100
125
DERATING CURVE
100
pow er (% from
nom inal pow er)
80
60
40
20
0
25
40
55
70
85 100 115 130 145 155
Am bient Tem perature (°C)
DIMENSIONS
Dimensions in mm
HOW TO ORDER
USR 4-1410 10R X 0.1% TK1
UNR 4-1410 0R1 X 0.5% TK3
Willow Technologies Ltd. Shawlands Court, Newchapel Road, Lingfield, Surrey, RH7 6BL, United Kingdom
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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