For technical questions, contact: powertron@vishaypg.com
USR UNR 2-1410
Powertron
Document Number: 64221
Revision: 20-09-10
www.powertron.de
1
Type USR 2-1410 UNR 2-1410
Resistance Range 1.0 Ohms to 300 kOhms 1.0 Ohms to 10 kOhms
Power rating (70°C) 0.8W
Tolerances
from 1.0 Ohms
from 5.0 Ohms
from 25.0 Ohms
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%
Stability 0.01%
Shelf Life Stability 25ppm / ∆R after 1 year
50ppm / ∆R after 3 year
Temperature Coefcient max. ±5ppm/K (-55 to 155°C)
typ. ±3ppm/K (-55 to 125°C)
upon request ±1ppm/K (0 to 60°C)
Insolation Resistance > 10GOhm
Thermal EMF < 0.1µV/K
Operating Temperature Range -55 to 155°C
Resistor Material NiCr-Foil
Substrate Al2O3AlN
Housing PBTP / Epoxy
Connector Material Cu tinned
Terminals 2
Notes Specially designed for applications with fast
changing electrical load
SPECIFICATIONS
Part Number - Resistance - Tolerance - TCR
UNR 2-1410 3.7Ohms 0.5% 3ppm
Ordering Information
Resistances from 1Ohm to 300kOhms•
Power Rating to 0.8Watt•
Resistance Tolerances to ±0.01%•
TCR to ±1ppm/K•
Load Stability to 0.01%•
For technical questions, contact: powertron@vishaypg.com
USR UNR 2-1410
Powertron
Document Number: 64221
Revision: 20-09-10
www.powertron.de
2
0
20
40
60
80
100
120
50 70 85 100 115 130 145 155
Power (% from
nominal power)
Ambient Temperature (°C)
Derating
Temperature Coefcient
SPECIFICATIONS (continued)
Dimensions
Dimension mm
tol.
(±mm) inches
tol.
(±inches)
A 16.00 1.0 0.63 0.039
B 14.00 0.2 0.55 0.008
C 10.00 0.2 0.39 0.008
D 2.00 0.1 0.08 0.004
E 7.62 0.1 0.30 0.004
F 0.50 0.1 0.02 0.004
G 3.00 0.1 0.12 0.004
H 0.25 0.1 0.01 0.004
-1500
-1000
-500
0
500
1000
1500
DR/R (ppm)
Temperature (°C)
+4,4 ppm/K
-50
-25 025 50 75 100 125
+5ppm/K
-5ppm/K
Nominal Spread
±2.3ppm/K
Nominal Spread
±2.3ppm/K
Nominal DR/R
Vishay Precision Group
Document No.: 63999
Revision: 27-Apr-11
www.vishaypg.com
1
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Document No.: 63999
Revision: 27-Apr-11
