USR UNR 4-1410

USR UNR 4-1410
Precision Shunt Resistors
•
•
•
•
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Resistances from 0.1Ohm to 100Ohms
Power Rating to 0.8Watt
Resistance Tolerances to ±0.01%
TCR to ±1ppm/K
Load Stability to 0.01%
SPECIFICATIONS
Type
USR 4-1410
Resistance Range
UNR 4-1410
0.1 to 100 Ohms
Power rating (70°C)
0.8 W
Tolerances
from 0.1 Ohms
from 10.0 Ohms
from 50.0 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%
Temperature Coefficient
max. ±5ppm/K (-55 to 155°C)
typ. ±3ppm/K (-55 to 125°C)
upon request ±1ppm/K (0 to 60°C)
Insolation Resistance
> 10 GOhm
Thermal EMF
< 0.1µV/K
Operating Temperature Range
-55 to 155°C
Resistor Material
NiCr-Foil
Substrate
Al2O3
Housing
AlN
PBTP / Epoxy
Connector Material
Cu tinned
Terminals
4
Notes
Specially designed for applications with fast
changing electrical load
Ordering Information
Part Number - Resistance - Tolerance - TCR
UNR 4-1410 0.1Ohms 0.5% 3ppm
Riedon Inc.
300 Cypress Avenue
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
www.riedon.com
Page 130
rev. 03/2006A
USR UNR 4-1410
Precision Shunt Resistors
SPECIFICATIONS (continued)
Temperature Coefficient
800
∆R/R (ppm)
600
+5ppm/K
-5ppm/K
400
200
Nominal Spread
±2.3ppm/K
0
-200
Nominal ∆R/R
-400
Nominal Spread
±2.3ppm/K
-600
-800
-50
0
-25
25
50
100
75
125
Temperature (°C)
Derating
Power (% from
nominal power)
120
100
80
60
40
20
0
50
70
85
100
115
130
145
155
Ambient Temperature (°C)
Dimensions
Riedon Inc.
300 Cypress Avenue
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
7.62
0.1
0.30
0.004
E
2.54
0.1
0.10
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
Alhambra CA 91801
(626) 284-9901
(626) 284-1704
www.riedon.com
Page 131
rev. 03/2006A