RCMT
www.vishay.com
Vishay Sfernice
Molded Metal Film High Stability (< 0.25 % After 1000 h)
High Temperature (up to 175 °C) Precision Resistors
FEATURES
• 0.1 W to 2 W at 125 °C
• EN140100
• According to CECC 40 101-044
• High climatic performance -65 °C / +175 °C /
56 days
• High long term stability drift < 0.25 % after 1000 h
• Tight temperature coefficient to ± 15 ppm/°C
The performance of the RCMT resistors exceed the
requirements of NF C 83-230 standards. They are
particularly relevant to the more stringent military and
industrial applications especially when high ambient
temperatures such as +175 °C are to be encountered.
The RCMT resistors are manufactured according to the
NF C UTE 83-230 standard styles RS56C, RS60E and C,
RS65E and C, RS70E and C.
• Temperature coefficient tracking 5 ppm/°C
• Wide ohmic range from 1
Ω
to 5 MΩ
• Tight tolerances up to ± 0.1 %
• Matching tolerance to 0.05 %
• Termination: Pure matte tin
• Material categorization: for definitions of compliance
please see
www.vishay.com/doc?99912
DIMENSIONS
in millimeters
SERIES
RCMT01
25 min.
A max.
4.32
6.7
10.4
16.5
19.3
29
54
Ø B max.
2.03
2.5
3.66
6.4
6.4
10.2
10.2
ØC
0.4
0.6
0.6
0.8
0.8
0.8
0.8
WEIGHT in g
0.11
0.28
0.46
1.3
1.5
4.4
13
A
25 min.
RCMT02
RCMT05
RCMT08
ØB
ØC
RCMT1
RCMT2
RCMT4
STANDARD ELECTRICAL SPECIFICATIONS
MODEL
RCMT01
RCMT02
RCMT05
RCMT08
RCMT1
RCMT2
RCMT4
RESISTANCE
RANGE
Ω
1 to 511K
1 to 322K
1 to 1M
1 to 1.5M
1 to 2M
1 to 2.5M
1 to 5M
RATED POWER
P
70 °C
W
0.063
0.125
0.250
0.500
1.0
2.0
4.0
LIMITING ELEMENT
VOLTAGE
V
200
300
350
400
500
600
800
TOLERANCE
±%
0.1, 0.2, 0.5, 1
0.1, 0.2, 0.5, 1
0.1, 0.2, 0.5, 1
0.1, 0.2, 0.5, 1
0.1, 0.2, 0.5, 1
0.1, 0.2, 0.5, 1
0.1, 0.2, 0.5, 1
TEMPERATURE
COEFFICIENT
± ppm/°C
15, 25, 50
15, 25, 50
15, 25, 50
15, 25, 50
15, 25, 50
15, 25, 50
15, 25, 50
Revision: 27-Jul-2021
Document Number: 52011
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
RCMT
www.vishay.com
TECHNICAL SPECIFICATIONS
NF C
83-230
POWER
VISHAY
CECC 40
RATING
SFERNICE 101-044
AT +70 °C
SERIES
(FOR
INFO.)
RCMT01
K3
RCMT01
K4
RCMT02
K3
RCMT02
K4
RCMT05
K3
RCMT05
K4
RCMT08
K3
RCMT08
K4
RCMT1
K3
RCMT1
K4
RCMT2
K3
RCMT2
K4
RCMT4
K3
RCMT4
K4
-
0.063 W
-
RS
56C
RS
56E
RS
60C
RS
60E
RS
65C
RS
65E
RS
70C
RS
70E
-
2W
-
-
4W
-
2W
1W
0.05 W
POWER
RATING
AT +125 °C
RESISTANCE VALUE RANGE IN RELATION TO
- TEMPERATURE COEFFICIENT
- TOLERANCE
K3
K4
K5
± 0.2 % ± 0.5 % ± 0.1 % ± 0.5 % ± 0.1 % ± 0.5 %
± 1 % ± 0.2 % ± 1 % ± 0.2 % ± 1 %
10
Ω
511 kΩ
1
Ω
511 kΩ
49.9
Ω
100 kΩ
49.9
Ω
511 kΩ
100
Ω
100 kΩ
100
Ω
100 kΩ
MAXIMUM
CRITICAL
VOLTAGE RESISTANCE
Vishay Sfernice
200 V
-
0.125 W
0.1 W
10
Ω
332 kΩ
1
Ω
332 kΩ
10
Ω
332 kΩ
1
Ω
332 kΩ
10
Ω
100 kΩ
10
Ω
332 kΩ
300 V
-
0.25 W
0.125 W
10
Ω
332 kΩ
1
Ω
1 MΩ
10
Ω
332 kΩ
1
Ω
1 MΩ
10
Ω
332 kΩ
10Ω
1 MΩ
350 V
980 kΩ
0.5 W
0.25 W
10
Ω
1 MΩ
1
Ω
1.5 MΩ
10
Ω
1 MΩ
1
Ω
1.5 MΩ
10
Ω
750 kΩ
10
Ω
1.5 MΩ
400 V
640 kΩ
1W
0.5 W
10
Ω
1 MΩ
1
Ω
2 MΩ
10
Ω
1 MΩ
1
Ω
2 MΩ
10
Ω
750 kΩ
10
Ω
2 MΩ
500 V
500 kΩ
10
Ω
1 MΩ
1Ω
2.5 MΩ
10
Ω
1 MΩ
1
Ω
2.5 MΩ
10
Ω
100 kΩ
10Ω
100 kΩ
600 V
360 kΩ
10
Ω
2.5 MΩ
1
Ω
5 MΩ
10
Ω
2.5 MΩ
1
Ω
5 MΩ
10
Ω
100 kΩ
10
Ω
100 kΩ
800 V
320 kΩ
PERFORMANCE
TESTS
Dielectric voltage
Short time overload
Load life at maximum
category temperature
Damp heat humidity
(steady state)
Rapid temperature change
Climatic sequence
Terminal strength
Vibration
Soldering (thermal shock)
Load life
Shelf life
CONDITIONS
2
U
n
/ 1 min
2.5 Un / 5 s
Limited to 2 Um
1000 h at +155 °C
0 % of
P
r
56 days
with low load
-55 °C +175 °C
-65 °C +175 °C
severity 1
Pull - twist - 2 bends
Severity 55 B
+260 °C 10 s
Cycle 90'/30'
70 °C ambient
1000 h at
P
n
10 000 h at
P
n
REQUIREMENTS
± 0.25 %
± 0.25 %
± 0.5 %
± 0.5 %
± 0.1 %
± 0.5 %
Insulation resistance > 10
3
MΩ
± 0.1 %
± 0.1 %
± 0.1 %
± 0.5 %
-
-
TYPICAL VALUES
AND DRIFTS
< ± 0.05 % or 0.05
Ω
± 0.05 % or 0.05
Ω
± 0.25 % or 0.05
Ω
± 0.2 % or 0.05
Ω
Insulation resistance > 10
6
MΩ
± 0.05 % or 0.05
Ω
± 0.2 % or 0.05
Ω
Insulation resistance > 10
6
MΩ
± 0.05 % or 0.05
Ω
± 0.05 % or 0.05
Ω
± 0.05 % or 0.05
Ω
± 0.15 % or 0.05
Ω
± 0.25 % or 0.05
Ω
< ± 0.05 %
1 year ambient temperature
Revision: 27-Jul-2021
Document Number: 52011
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
RCMT
www.vishay.com
TEMPERATURE COEFFICIENT
TCR CODE
K5
K4
K3
TEMPERATURE RANGE
0 °C to +155 °C
-55 °C to +175 °C
-55 °C to +175 °C
NOMINAL TEMPERATURE
COEFFICIENT
± 15 ppm/°C
± 25 ppm/°C
± 50 ppm/°C
TEMPERATURE RANGE
0 °C to +70 °C
-10 °C to +70 °C
-10 °C to +70 °C
TYPICAL TEMPERATURE
COEFFICIENT
± 10 ppm/°C
± 15 ppm/°C
± 30 ppm/°C
Vishay Sfernice
ENVIRONMENTAL SPECIFICATIONS
Insulation Resistance
Voltage Coefficient
> 10
7
MΩ
10 ppm/V
PRACTICAL OPERATING TOLERANCES
After the 10 000 h load life test, at nominal power rating,
90'/30' cycles, +125 °C ambient temperature, the total
actual drifts measured at +125 °C are the following:
Manufacturing tolerance
Drift due to TCR (K4) + life drift
Max. total deviation from nominal
ohmic value, including the
manufacturing tolerance
± 0.1 %
± 0.25 %
± 0.35 %
±1%
± 0.35 %
± 1.35 %
Environmental Specifications
-65 °C / +175 °C / 56 days
POWER RATING
TEMPERATURE RISE
50
100
HOT SPOT TEMPERATURE IN °C
RATED POWER IN %
40
RC
MT
4
30
R
CM
T2
10
0
0
25
50
70
100
125
150
175
0
RC
MT
02
RC
M
T1
50
20
0
0.5
1.0
1.5
2.0
AMBIENT TEMPERATURE IN °C
RATED POWER IN W
NOISE LEVEL
In a frequency decade, the average noise level is 0.1 μV/V
for models RCMT08, RCMT1, RCMT2, and RCMT4 in all
ohmic values. It progressively increases as a function of the
ohmic value and can reach 0.2 μV/V for the highest values of
models RCMT02 and RCMT05 (0.1 μV/V for R < 10 kΩ).
RECOMMENDATION
The lower the ohmic value, the more important the influence
of lead resistance is on measurements. The nominal
resistance value is therefore measured at a distance of
5 mm from resistor body.
SPECIAL APPLICATIONS
Temperature coefficient tracking to 5 ppm.
Tolerance matching to 0.05 %.
Selection of positive or negative TCR in temperature range
of -20 °C to +125 °C.
For these applications and other requirements consult
Vishay Sfernice.
MARKING
Printed: Series, style, ohmic value (in
Ω),
tolerance (in %),
temperature coefficient, manufacturing date. Due to lack of
space, RCMT02 is referenced as MT02.
Revision: 27-Jul-2021
Document Number: 52011
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
RCMT
www.vishay.com
GLOBAL PART NUMBER INFORMATION
R
C
M
T
0
2
1
3
0
0
1
F
H
S
1
4
Vishay Sfernice
GLOBAL
MODEL
RCMT
SIZE
01
02
05
08
10
20
40
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 kΩ
33001
= 33 kΩ
220R0
= 220
Ω
1R220
= 1.22
Ω
TOLERANCE
B
= 0.1 %
A
= 0.2 %
D
= 0.5 %
F
=1%
TEMPERATURE
COEFFICIENT
H
= K3, 50 ppm/K
E
= K4, 25 ppm/K
D
= K5, 15 ppm/K
PACKAGING
AM500 =
A20
BAG100 =
S14
BAG50 =
S09
BAG10 =
S03
BO50* =
B25
*: possible
in N/A
Revision: 27-Jul-2021
Document Number: 52011
4
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,
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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.
Hyperlinks included in this datasheet may direct users to third-party websites. These links are provided as a convenience and
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Revision: 09-Jul-2021
1
Document Number: 91000
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