MR93 Series
www.vishay.com
Vishay Mills
Wirewound Resistor, Ultra Precision,
Epoxy Molded, Axial Lead
FEATURES
• Resistance values up to 6 M
• Resistance tolerances down to ± 0.01 %
• Temperature coefficients down to 2 ppm/°C
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL
MODEL
MR9352
MR9353
MR9354
MR9355
MR9356
MR9357
MR9358
MR9359
POWER RATING
P
25 °C
W
0.750
0.500
0.330
0.250
0.200
1.000
1.500
2.000
TOLERANCE
±%
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
RESISTANCE RANGE
10 to 6.0M
10 to 3.8M
10 to 2.5M
10 to 1.2M
10 to 1.0M
10 to 6.0M
10 to 6.0M
10 to 6.0M
MAXIMUM WORKING
VOLTAGE
V
600
400
400
300
200
800
900
1000
TECHNICAL SPECIFICATIONS
PARAMETER
Temperature Coefficient
Terminal Strength
Dielectric Withstanding Voltage
Operating Temperature Range
Maximum Working Voltage
UNIT
ppm/°C
lb
V
AC
°C
V
MR93 RESISTOR CHARACTERISTICS
± 10 > 100
;
± 20 for 10
to 100
4.5
750
- 55 to 145
(P x
R)
1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: MR9355500K00AAE66
(visit
www.vishay.net
SAP parts manual for all options)
M
R
9
3
5
5
VALUE
(6 digits)
5
0
0
K
0
TC
(1 digits)
0
A
A
E
6
6
SPECIAL
(1 digits)
(Dash
Number)
From
1
to
9
as applicable
GLOBAL MODEL
(6 digits)
(See Standard Electrical
Specifications Global
Model column
for options)
TOLERANCE
(1 digit)
T
= ± 0.01 %
Q
= ± 0.02 %
A
= ± 0.05 %
B
= ± 0.1 %
C
= ± 0.25 %
D
= ± 0.5 %
F
= ± 1.0 %
PACKAGING CODE
(3 digits)
E66
= Lead (Pb)-free
bulk pack
R
= Decimal
K
= Thousand
M
= Million
15R000
= 15
1K5000
= 1.5 k
1M0000
= 1 M
A
= Standard,
10, 20 (W)
B
= 3900 (Q)
C
= 4500 (M)
D
= 6000 (N)
G
=5
J
=2
Historical Part Number example: MR9355W500K0A
MR9355
HISTORICAL MODEL
W = STANDARD
TC
500 k
RESISTANCE VALUE
0.05 %
TOLERANCE
Revision: 17-Aug-12
Document Number: 31813
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
MR93 Series
www.vishay.com
DIMENSIONS
in inches [millimeters]
L
LD
Vishay Mills
D
DIMENSIONS
in inches [millimeters]
GLOBAL MODEL
MR9352
MR9353
MR9354
MR9355
MR9356
MR9357
MR9358
MR9359
L
± 0.025 [0.635]
1.000 [25.40]
0.750 [19.05]
0.750 [19.05]
0.500 [12.70]
0.375 [9.52]
1.000 [25.40]
1.500 [38.10]
2.000 [50.80]
D
± 0.005 [0.127]
0.375 [9.52]
0.375 [9.52]
0.250 [6.35]
0.250 [6.35]
0.250 [6.35]
0.500 [12.70]
0.500 [12.70]
0.500 [12.70]
LD
± 0.002 [0.051]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
0.032 [0.813]
MATERIAL SPECIFICATIONS
Element:
Nickel-chrome alloy, other materials available
depending on TC requirements
Core:
Molded epoxy
Encapsulant:
Epoxy
Standard Terminals:
100 % matte tinned copper
Part Marking:
MILLS, model, value, tolerance, date code
Note
• Due to resistor size limitations some resistors will have minimal
information marked on parts
DERATING
RATED POWER IN %
180
160
140
120
100
80
60
40
20
0
0
20
40
60
80
100
120
140
160
0.05 %
1 %, 0.5 %, 0.1 % Tolerance
, 0.02 %
Toleran
ce
0.01 %
Toleran
ce
AMBIENT TEMPERATURE IN °C
PERFORMANCE
TEST
Dielectric Withstanding Voltage
High Frequency Vibration
High Temperature Exposure
Load Life
Low Temperature Storage
Moisture Resistance
Shock, Specified Pulse
Thermal Shock
Short Time Overload
Terminal Strength
CONDITIONS OF TEST
MIL-STD-202 Method 301, 750 V
RMS
MIL-STD-202 Method 204, condition D, frequency varied 10 Hz to
2000 Hz, 20
g
peak
MIL-STD-202 Method 108, 2000 h at 145 °C
MIL-STD-202 Method 108, 2000 h at 125 °C at rated power, 1.5 h “ON”,
0.5 h “OFF”
- 65 °C for 24 h
MIL-STD 202 Method 106
MIL-STD-202 Method 213, condition I, 5 shocks in 3 directions
MIL-STD-202 Method 107, condition B
2 x rated power for 10 min
MIL-STD-202 Method 211, conditions A and D, 4.5 lb
TEST LIMITS
± (0.01 %)
R
± (0.01 %)
R
± (0.01 %)
R
± (0.1 % + 0.01
) R
± (0.01 %)
R
± (0.01 %)
R
± (0.01 %)
R
± (0.05 %)
R
± (0.01 %)
R
± (0.01 %)
R
Revision: 17-Aug-12
Document Number: 31813
2
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.
Material Category Policy
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the
definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council
of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment
(EEE) - recast, unless otherwise specified as non-compliant.
Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that
all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU.
Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free
requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference
to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21
conform to JEDEC JS709A standards.
Revision: 02-Oct-12
1
Document Number: 91000
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