RCME
www.vishay.com
Vishay Sfernice
Molded Metal Film Resistors Low Temperature Coefficient,
High Precision
FEATURES
• 0.125 W to 0.25 W at 85 °C
• Very low temperature coefficient: ± 5 ppm/°C
and ± 10 ppm/°C
• Very tight tolerances: down to ± 0.1 %
The RCME range of metal film resistors represents a
significant technical advancement in resistive technology,
combining low temperature coefficients with high
environmental stabilities, and high frequency performance.
Laser beam trimming gives tolerance accuracies from 0.1 %
to 1 %.
The RCME range effectively bridges the gap that has
hitherto existed between the high precision, high stability foil
or wirewound technology and conventional film technology.
• Electrical insulation > 10
7
M
• Climatic category - 65 °C/+ 155 °C /56 days
• Excellent frequency performance
• Termination = pure matte tin
• Material categorization: For definitions of compliance
please see
www.vishay.com/doc?99912
DIMENSIONS
in millimeters
25 min.
A
25 min.
SERIES
RCME02
RCME05
A
6.5 ± 0.2
10.2 ± 0.2
ØB
2.4 ± 0.1
3.65 ± 0.1
ØC
0.6
0.6
WEIGHT in g
0.26
0.46
ØB
ØC
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
RCME02
RCME05
RESISTANCE
RANGE
100 to 750K
100 to 750K
RATED POWER
P
85 °C
W
0.125
0.25
LIMITING ELEMENT
VOLTAGE
V
300
350
TOLERANCE
±%
0.1, 0.2, 0.5, 1
0.1, 0.2, 0.5, 1
TEMPERATURE
COEFFICIENT
± ppm/°C
5, 10
5, 10
TECHNICAL SPECIFICATIONS
VISHAY SFERNICE SERIES
Nominal Temperature Coefficient
in the Range - 20 °C to + 85 °C
Insulation Resistance
Voltage Coefficient
Environmental Specifications
RCME02
K6
± 10 ppm/°C
K8
± 5 ppm/°C
> 10
7
M
0.0001 %/V
- 65 °C/+ 155 °C/56 days
RCME05
Revision: 05-Aug-13
Document Number: 52010
1
For technical questions, contact:
sferfixedresistors@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
RCME
www.vishay.com
Vishay Sfernice
PERFORMANCE
EN140-100
MAXIMUM VALUES AND DRIFTS
TESTS
Load Life at Maximum Category Temperature
Short Time Overload
Damp Heat Humidity (Steady State)
Rapid Temperature Change
Climatic Sequence
Terminal Strength
Vibration
Soldering (Thermal Shock)
Load Life
Shelf Life
CONDITIONS
1000 h at + 155 °C/0 % of
P
n
2.5
U
m
/5 s limited to 2
U
n
56 days with low load
- 55 °C to + 155 °C
- 55 °C to + 155 °C
severity 1
Pull - twist - 2 bends
Severity 55B
+ 260 °C 10 s
Cycle 90’/30’
1000 h at
P
n
at 85 °C
1 year ambient temperature
± 0.15 % or 0.05
± 0.01 % or 0.05
± 0.15 % or 0.05
± 0.05 % or 0.05
± 0.15 % or 0.05
Insulation resistance > 10
6
M
± 0.05 % or 0.05
± 0.05 % or 0.05
± 0.05 % or 0.05
± 0.05 % or 0.05
± 0.03 % or 0.05
POWER RATING
100
TEMPERATURE COEFFICIENT
+ 12
+ 10
+7
+5
TCR LIMITS
positive limit K6
RATED POWER IN %
positive limit K8
0
50
-5
-7
- 10
- 12
0
30
50
70
85
110
130
155
- 55
- 20
0
negative limit K8
negative limit K6
0
+ 40
+ 80 + 85 + 120
+ 155
AMBIENT TEMPERATURE IN °C
AMBIENT TEMPERATURE IN °C
The temperature coefficient
- 20 °C to + 85 °C.
is
guaranteed
between
The limits of TCR are:
K 8 ± 5 ppm/°C and K 6 ± 10 ppm/°C
For use outside the range - 20 °C or + 85 °C, limiting values
of temperature coefficient are given in the graph above.
Revision: 05-Aug-13
Document Number: 52010
2
For technical questions, contact:
sferfixedresistors@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
RCME
www.vishay.com
MARKING
Printed: Vishay Sfernice trademark, series, style (in full or abbreviated), ohmic value (in
),
tolerance (in %), temperature
coefficient, manufacturing date.
Vishay Sfernice
GLOBAL PART NUMBER INFORMATION
R
C
M
E
0
2
1
3
0
0
1
F
Y
S
1
4
GLOBAL
MODEL
RCME
SIZE
02
05
SPECIAL
As applicable.
Contact us.
OHMIC VALUE
The first four digits are
significant figures and the last
digit specifies the number of
zeros to follow.
R designates decimal point.
13001
= 13 k
33001
= 33 k
220R0
= 220
1R220
= 1.22
TOLERANCE
B
= 0.1 %
A
= 0.2 %
D
= 0.5 %
F
=1%
TEMPERATURE
COEFFICIENT
Y
= K6, 10 ppm/K
Z
= K8, 5 ppm/K
PACKAGING
AM500 =
A20
BAG100 =
S14
BAG10 =
S03
Revision: 05-Aug-13
Document Number: 52010
3
For technical questions, contact:
sferfixedresistors@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
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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
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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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