USR UNR 2-0710
Powertron
•
•
•
•
•
Resistances from 1Ohm to 150kOhms
Power Rating to 0.6Watt
Resistance Tolerances to ±0.005%
TCR to ±1ppm/K
Load Stability to 0.01%
SPECIFICATIONS
Type
Resistance Range
Power rating (70°C)
Tolerances
from 1.0 Ohms
from 5.0 Ohms
from 12.0 Ohms
from 25.0 Ohms
from 50.0 Ohms
Stability
Shelf Life Stability
Temperature Coefficient
USR 2-0710
1.0 Ohms to 4.99 kOhms
0.4W
(0.6W upon request)
5.0 kOhms to 150 kOhms
0.6W
UNR 2-0710
1.0 Ohms to 5.0 kOhms
0.4W
0.1% / 0.25% / 0.5% / 1%
0.05% / 0.1% / 0.25% / 0.5% / 1%
0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%
0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%
0.005% / 0.01% / 0.02% / 0.05% / 0.1% / 0.25% / 0.5% / 1%
0.01%
25ppm / ∆R after 1 year
50ppm / ∆R after 3 year
max. ±5ppm/K (-55 to 155°C)
typ. ±3ppm/K (-55 to 125°C)
upon request ±1ppm/K (0 to 60°C)
and ±1ppm/K (-55 to 125°C)
> 10GOhm
< 0.1µV/K
-55 to 155°C
NiCr-Foil
Al
2
O
3
PBTP / Epoxy
Cu tinned
2
Specially designed for ap-
plications with fast changing
electrical load
AlN
Insolation Resistance
Thermal EMF
Operating Temperature Range
Resistor Material
Substrate
Housing
Connector Material
Terminals
Notes
Ordering Information
Part Number - Resistance - Contact - Tolerance - TCR
UNR 2-0710 3.7Ohms J 0.5% 1ppm
Document Number: 64219
Revision: 20-09-10
Grid (E) 3.81mm (0.15inches) = D
Grid (E) 5.08mm (0.2inches) = J
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1
For technical questions, contact:
powertron@vishaypg.com
USR UNR 2-0710
Powertron
SPECIFICATIONS
(continued)
Temperature Coefficient
1500
1000
-5ppm/K
+5ppm/K
500
DR/R
(ppm)
0
+4,4 ppm/K
Nominal Spread
±2.3ppm/K
Nominal
DR/R
Nominal Spread
±2.3ppm/K
-500
-1000
-1500
-50
-25
0
50
25
Temperature (°C)
75
100
125
Derating
Power (% from
nominal power)
120
100
80
60
40
20
0
50
70
85
100
115
130
145
155
Ambient Temperature (°C)
Dimensions
Dimension
A
B
C
D
E1
E2
F
G
mm
30.00
7.00
9.50
2.00
3.81
5.08
3.00
Ø0.60
tol.
(±mm)
2.0
0.1
0.2
0.1
0.1
0.1
0.1
0.1
inches
1.18
0.28
0.37
0.08
0.15
0.20
0.12
Ø0.02
tol.
(±inches)
0.079
0.004
0.008
0.004
0.004
0.004
0.004
0.004
www.powertron.de
2
For technical questions, contact:
powertron@vishaypg.com
Document Number: 64219
Revision: 20-09-10
Legal Disclaimer Notice
Vishay Precision Group
Disclaimer
ALL PRODUCTS, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE.
Vishay Precision Group, Inc., its affiliates, agents, and employees, and all persons acting on its or their
behalf (collectively, “Vishay Precision Group”), disclaim any and all liability for any errors, inaccuracies or
incompleteness contained herein or in any other disclosure relating to any product.
The product specifications do not expand or otherwise modify Vishay Precision Group’s terms and conditions of
purchase, including but not limited to, the warranty expressed therein.
Vishay Precision Group makes no warranty, representation or guarantee other than as set forth in the terms
and conditions of purchase.
To the maximum extent permitted by applicable law, Vishay Precision Group
disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability,
including without limitation special, consequential or incidental damages, and (iii) any and all implied
warranties, including warranties of fitness for particular purpose, non-infringement and merchantability.
Information provided in datasheets and/or specifications may vary from actual results in different applications
and performance may vary over time. Statements regarding the suitability of products for certain types of
applications are based on Vishay Precision Group’s knowledge of typical requirements that are often placed on
Vishay Precision Group products. It is the customer’s responsibility to validate that a particular product with the
properties described in the product specification is suitable for use in a particular application.
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The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise
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Product names and markings noted herein may be trademarks of their respective owners.
Document No.: 63999
Revision: 27-Apr-11
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1
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