USR4-14140.549OHMS0.5%1PPM [VISHAY]
Fixed Resistor, Metal Foil, 25W, 0.549ohm, 1500V, 0.5% +/-Tol, -1,1ppm/Cel, 5555;![USR4-14140.549OHMS0.5%1PPM](http://pdffile.icpdf.com/pdf2/p00246/img/icpdf/USR4-141490-_1494300_icpdf.jpg)
型号: | USR4-14140.549OHMS0.5%1PPM |
厂家: | ![]() |
描述: | Fixed Resistor, Metal Foil, 25W, 0.549ohm, 1500V, 0.5% +/-Tol, -1,1ppm/Cel, 5555 电阻器 |
文件: | 总3页 (文件大小:811K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
USR 4-1414
Powertron
•ꢀ Resistances from 0.5Ohm to 100Ohms
•ꢀ Power Rating to 25Watt
•ꢀ Resistance Tolerances to ±0.01%
•ꢀ TCR to ±1ppm/K
•ꢀ Load Stability to 0.01%
SPECIFICATIONS
Type
USR 4-1414
Resistance Range
0.5 to 100 Ohms
Power rating
free air 70°C
with heatsink
0.8 W
25 W
Thermal Resistance Rthj-c
< 4.2 K/W
Tolerances
from 0.5 Ohms
from 1.0 Ohms
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)
Voltage Proof
1.5 kVDC
< 0.1µV/K
-55 to 155°C
NiCr-Foil
Thermal EMF
Operating Temperature Range
Resistor Material
Substrate
Al2O3
upon request: AlN
Housing
Plastic / Epoxy
Connector Material
Terminals
Cu tinned
4
Ordering Information
Part Number - Resistance - Tolerance - TCR
USR 4-1414 0.5Ohms 0.5% 1ppm
Document Number: 64220
Revision: 20-09-10
For technical questions, contact: powertron@vishaypg.com
www.powertron.de
1
USR 4-1414
Powertron
SPECIFICATIONS (continued)
Temperature Coefficient
1500
1000
500
+5ppm/K
-5ppm/K
0
Nominal Spread
±2.3ppm/K
-500
-1000
-1500
Nominal DR/R
Nominal Spread
±2.3ppm/K
100
0
50
75
125
-50
-25
25
Temperature (°C)
Derating
without Heatsink
with Heatsink
120
100
80
60
40
20
0
120
100
80
60
40
20
0
50
70
85 100 115 130 145 155
25
50
85 100 115 130 145 155
Temperature of the backplate(°C)
Ambient Temperature (°C)
Dimensions
tol.
tol.
Dimension
mm
94.00
14.00
4.50
(±mm)
inches
3.70
(±inches)
A
B
C
D
E
F
0.5
0.2
0.1
0.1
0.2
0.2
0.2
0.020
0.008
0.004
0.004
0.008
0.008
0.008
0.55
0.18
Ø0.80
6.30
Ø0.03
0.25
1.50
0.06
G
14.00
0.55
www.powertron.de
2
For technical questions, contact: powertron@vishaypg.com
Document Number: 64220
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.
No license, express, implied, or otherwise, to any intellectual property rights is granted by this document, or by
any conduct of Vishay Precision Group.
The products shown herein are not designed for use in life-saving or life-sustaining applications unless otherwise
expressly indicated. Customers using or selling Vishay Precision Group products not expressly indicated for use
in such applications do so entirely at their own risk and agree to fully indemnify Vishay Precision Group for any
damages arising or resulting from such use or sale. Please contact authorized Vishay Precision Group personnel
to obtain written terms and conditions regarding products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document No.: 63999
Revision: 27-Apr-11
www.vishaypg.com
1
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