MRS
www.vishay.com
Vishay Mills
Wirewound Resistor, Open Style,
Current Shunts, Very Low Value
FEATURES
• Extremely low resistance values for current
sensing applications
• Low temperature coefficients
(down to 100 ppm/°C)
• Complete welded construction
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
(1)
MRS-1298…xx
MRS-1367…xx
MRS-1375…xx
MRS-1510…xx
HISTORICAL MODEL
MRS1298xx
MRS1367xx
MRS1375xx
MRS1510xx
TOLERANCE
(2)
%
1, 5, 10
1, 5, 10
1, 5, 10
1, 5, 10
RESISTANCE RANGE
0.001 to 0.050
0.001 to 0.100
0.001 to 0.010
0.001 to 0.500
Notes
(1)
The xx is for the two digit “special” number as described in Dimensions tables MRS-1298, MRS-1367, MRS-1375, and MRS-1510.
(2)
Other tolerances may be available, contact factory.
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Maximum Current Rating
Operating Temperature Range
UNIT
ppm/°C
A
°C
MRS RESISTOR CHARACTERISTICS
Typical is ± 100 (- 10 °C to + 80 °C) consult factory if application is TC sensitive
Dependent upon configuration, see Dimensions tables
MRS-1298, MRS-1367, MRS-1375, and MRS-1510
- 55 to + 275
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: MRS-1298R010JE1401
(visit
www.vishay.net
Vishay Dale parts numbering manual for all options)
M
R
S
-
1
2
VALUE
(4 digits)
9
8
R
0
1
0
J
E
1
4
0
SPECIAL
(2 digits)
1
GLOBAL MODEL
(8 digits)
(See Standard Electrical
Specifications Global
Model column
for options)
TOLERANCE
(1 digit)
F
=±1%
J
=±5%
K
= ± 10 %
PACKAGING CODE
(3 digits)
E14
= Bulk pack
L
= m
(below 0.01
)
R
= Decimal
5L00
= 0.005
R010
= 0.01
(Dash Number)
From
01
to
99
as applicable
Historical Part Number example: MRS129801J
MRS1298
HISTORICAL MODEL
01
SIZE
5%
TOLERANCE
Revision: 28-Jun-12
Document Number: 31805
1
For technical questions, contact:
ww2aresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
MRS
www.vishay.com
DIMENSIONS
in inches [millimeters]
H
L
CC
LD
Vishay Mills
SIDE
END
MRS-1375
GLOBAL MODEL
SPECIAL
01
02
03
04
05
06
07
09
10
11
13
RESISTANCE
0.001
0.002
0.003
0.001
0.002
0.004
0.00166
0.005
0.010
0.004
0.001
CURRENT RATING
(MAXIMUM)
A
30
40
40
40
30
30
35
40
20
30
40
DIMENSION
L
0.750 [19.05]
1.700 [43.18]
1.700 [43.18]
1.700 [43.18]
1.250 [31.75]
1.250 [31.75]
1.600 [40.64]
2.865 [72.77]
1.400 [35.56]
1.200 [30.48]
1.250 [31.75]
DIMENSION
H
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.750 [19.05]
0.750 [19.05]
0.500 [12.70]
0.750 [19.05]
0.750 [19.05]
0.400 [10.16]
0.750 [19.05]
DIMENSION
CC
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
DIMENSION
LD
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
0.080 [2.03]
MRS-1510
GLOBAL MODEL
SPECIAL
01
02
03
04
05
06
RESISTANCE
0.050
0.003
0.0015
0.001
0.002
0.001
CURRENT RATING
(MAXIMUM)
A
15
25
40
40
30
80
DIMENSION
L
1.00 [25.40]
1.10 [27.94]
1.10 [27.94]
1.00 [25.40]
1.25 [31.75]
2.19 [55.63]
DIMENSION
H
0.400 [10.16]
0.355 [9.02]
0.380 [9.65]
0.500 [12.70]
0.750 [19.05]
0.625 [15.87]
DIMENSION
CC
0.215 [5.46]
0.200 [5.08]
0.270 [6.86]
0.300 [7.62]
0.375 [9.53]
0.625 [15.87]
DIMENSION
LD
0.057 [1.45]
0.040 [1.02]
0.081 [2.06]
0.081 [2.06]
0.080 [2.03]
0.128 [3.25]
MATERIAL SPECIFICATIONS
Element:
Copper-nickel alloy or nickel-chrome alloy,
depending on resistance value
Coating:
Silicone, when requested
Standard Terminals:
Tinned copper
Part Marking:
None
AMBIENT TEMERATURE DERATING
Derating is required for ambient temperatures above 25 °C
per the following graph:
DERATING
RATED POWER IN %
120
100
80
60
40
20
0
- 55
0
25
50
100
150
200
250 275
AMBIENT TEMPERATURE IN °C
Revision: 28-Jun-12
Document Number: 31805
3
For technical questions, contact:
ww2aresistors@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT
www.vishay.com/doc?91000
Legal Disclaimer Notice
www.vishay.com
Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE
RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively,
“Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other
disclosure relating to any product.
Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or
the continuing production of any product. To the maximum extent permitted by applicable law, Vishay 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.
Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of
typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding
statements about the suitability of products for a particular application. 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.
Parameters provided in datasheets and / or specifications may vary in different applications and performance may vary over
time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s
technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase,
including but not limited to the warranty expressed therein.
Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining
applications or for any other application in which the failure of the Vishay product could result in personal injury or death.
Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk.
Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for
such applications.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document
or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
© 2017 VISHAY INTERTECHNOLOGY, INC. ALL RIGHTS RESERVED
Revision: 08-Feb-17
1
Document Number: 91000
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