Molded Metal Film High Stability (< 0.25 % after 1000 h)
High Temperature (up to 175 °C) Precision Resistors
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 52011
37 Revision: 23-Sep-08
RCMT
Vishay Sfernice
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 qualified and released to the
NF C UTE 83-230 standard styles RS56C, RS60E and C,
RS65E and C, RS70E and C.
FEATURES
•0.1 W to 2 W at 125 °C
•EN 140-100
•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
•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 Matt Tin
DIMENSIONS in millimeters
ENVIRONMENTAL SPECIFICATIONS
Insulation Resistance > 107 MΩ
Voltage Coefficient 10 ppm/V
Environmental Specifications - 65 °C/+ 175 °C/56 days
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:
25 min. 25 min.
A
Ø C
Ø B
DIMENSIONS
SERIES
RCMT
01
RCMT
02
RCMT
05
RCMT
08
RCMT
1
RCMT
2
RCMT
4
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
Ø C
0.4 0.6 0.6 0.8 0.8 0.8 0.8
Unit weight in g
0.11 0.28 0.46 1.3 1.5 4.4 13
TEMPERATURE COEFFICIENT
TCR CODE TEMPERATURE RANGE
NOMINAL
TEMPERATURE
COEFFICIENT
TEMPERATURE RANGE
TYPICAL
TEMPERATURE
COEFFICIENT
K5 0 °C + 155 °C ± 15 ppm/°C 0 °C + 70 °C ± 10 ppm/°C
K4 - 55 °C + 175 °C ± 25 ppm/°C - 10 °C + 70 °C ± 15 ppm/°C
K3 - 55 °C + 175 °C ± 50 ppm/°C - 10 °C + 70 °C ± 30 ppm/°C
Manufacturing tolerance ± 0.1 % ± 1 %
Drift due to TCR (K4) + life drift ± 0.25 % ± 0.35 %
Max. total deviation from nominal
ohmic value, including the
manufacturing tolerance
± 0.35 % ± 1.35 %
RCMT
Molded Metal Film High Stability (< 0.25 % after 1000 h)
High Temperature (up to 175 °C) Precision Resistors Vishay Sfernice
Document Number: 52011 For technical questions, contact: sfer@vishay.com www.vishay.com
Revision: 23-Sep-08 38
Undergoes European Quality Insurance System (CECC)
TECHNICAL SPECIFICATIONS
VISHAY
SFERNICE
SERIES
NF C
83-230
CECC 40
101-044
POWER
RATING
AT + 70 °C
POWER
RATING
AT + 125 °C
RESISTANCE VALUE RANGE IN RELATION TO
- TEMPERATURE COEFFICIENT
- TOLERANCE
MAXIMUM
VOLTAGE
CRITICAL
RESISTANCE
K3 K4 K5
± 0.2 % ± 0.5 %
± 1 %
± 0.1 %
± 0.2 %
± 0.5 %
± 1 %
± 0.1 %
± 0.2 %
± 0.5 %
± 1 %
RCMT 01
K3
-
0.063 W 0.05 W 10
Ω
511 k
Ω
1
Ω
511 k
Ω
49.9
Ω
100 k
Ω
49.9
Ω
511 k
Ω
100
Ω
100 k
Ω
100
Ω
100 k
Ω
200 V
-
RCMT 01
K4
-
RCMT 02
K3
RS
56C 0.125 W 0.1 W 10
Ω
332 k
Ω
1
Ω
332 k
Ω
10
Ω
332 k
Ω
1
Ω
332 k
Ω
10
Ω
100 k
Ω
10
Ω
332 k
Ω
300 V
-
RCMT 02
K4
RS
56E
RCMT 05
K3
RS
60C 0.25 W 0.125 W 10
Ω
332 k
Ω
1
Ω
1 M
Ω
10
Ω
332 k
Ω
1
Ω
1 M
Ω
10
Ω
332 k
Ω
10
Ω
1 M
Ω
350 V 980 k
Ω
RCMT 05
K4
RS
60E
RCMT 08
K3
RS
65C 0.5 W 0.25 W 10
Ω
1 M
Ω
1
Ω
1.5 M
Ω
10
Ω
1 M
Ω
1
Ω
1.5 M
Ω
10
Ω
750 k
Ω
10
Ω
1.5 M
Ω
400 V 640 k
Ω
RCMT 08
K4
RS
65E
RCMT 1
K3
RS
70C 1 W 0.5 W 10
Ω
1 M
Ω
1
Ω
2 M
Ω
10
Ω
1 M
Ω
1
Ω
2 M
Ω
10
Ω
750 k
Ω
10
Ω
2 M
Ω
500 V 500 k
Ω
RCMT 1
K4
RS
70E
RCMT 2
K3
-
2 W 1 W 10
Ω
1 M
Ω
1
Ω
2.5 M
Ω
10
Ω
1 M
Ω
1
Ω
2.5 M
Ω
10
Ω
1 M
Ω
10
Ω
2.5 M
Ω
600 V 360 k
Ω
RCMT 2
K4
-
RCMT 4
K3
-
4 W 2 W 10
Ω
2.5 M
Ω
1
Ω
5 M
Ω
10
Ω
2.5 M
Ω
1
Ω
5 M
Ω
10
Ω
2 M
Ω
10
Ω
2.5 M
Ω
800 V 320 k
Ω
RCMT 04
K4
-
POWER RATING CHART TEMPERATURE RISE
AMBIENT TEMPERATURE IN DEGREES CELSIUS
% RATED POWER
100
50
0
0 25 50 70 100 125 150 175
RATED POWER IN WATT
HOT SPOT TEMPERATURE IN °C
40
30
20
10
001
RCMT4
RCMT 2
RCMT 1
RCMT02
0.5 1.50 2
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 52011
39 Revision: 23-Sep-08
RCMT
Vishay Sfernice Molded Metal Film High Stability (< 0.25 % after 1000 h)
High Temperature (up to 175 °C) Precision Resistors
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).
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.
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.
PERFORMANCE
EN 140-100 - CECC 40 101-044 TYPICAL VALUES
AND DRIFTS
TESTS CONDITIONS REQUIREMENTS
Dielectric Voltage 2 Un/1 mn ± 0.25 % < ± 0.05 % or 0.05 Ω
Short Time Overload 2.5 Um/5 s
limited to 2 Un ± 0.25 % ± 0.05 % or 0.05 Ω
Load Life at maximum Category
Temperature
1000 h at + 155 °C
0 % of Pr ± 0.5 % ± 0.25 % or 0.05 Ω
Damp Heat Humidity
(Steady State)
56 days
with low load ± 0.5 % ± 0.2 % or 0.05 Ω
Insulation resist. > 106 MΩ
Rapid Temperature Change - 55 °C + 175 °C ± 0.1 % ± 0.05 % or 0.05 Ω
Climatic Sequence - 65 °C + 175 °C
severity 1
± 0.5 %
Insulation resist. > 103 MΩ
± 0.2 % or 0.05 Ω
Insulation resist. > 106 MΩ
Terminal Strength Pull - Twist - 2 bends ± 0.1 % ± 0.05 % or 0.05 Ω
Vibration Severity 55 B ± 0.1 % ± 0.05 % or 0.05 Ω
Soldering (Thermal Shock) + 260 °C 10 s ± 0.1 % ± 0.05 % or 0.05 Ω
Load Life cycle 90’/30’
70 °C ambient
1000 h at Pn ± 0.5 % ± 0.15 % or 0.05 Ω
10 000 h at Pn - ± 0.25 % or 0.05 Ω
Shelf Life 1 year ambient temperature - < ± 0.05 %
RCMT
Molded Metal Film High Stability (< 0.25 % after 1000 h)
High Temperature (up to 175 °C) Precision Resistors Vishay Sfernice
Document Number: 52011 For technical questions, contact: sfer@vishay.com www.vishay.com
Revision: 23-Sep-08 40
MARKING
Printed: series, style, NF style if applicable, ohmic value (in Ω), tolerance (in %), temperature coefficient, manufacturing date.
Due to lack of space, RCMT 02 is referenced as MT 02.
GLOBAL PART NUMBER INFORMATION
GLOBAL
MODEL SIZE SPECIAL OHMIC VALUE TOLERANCE TEMPERATURE
COEFFICIENT PA C K AG I N G
RCMT 01
02
05
08
10
20
40
As applicacable.
Contact us.
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
B = 0.1 %
A = 0.2 %
D = 0.5 %
F = 1 %
H = K3, 50 ppm/K
E = K4, 25 ppm/K
D = K5, 15 ppm/K
AM500 = A20
BAG100 = S14
BAG50 = S09
BAG10 = S03
BO50* = B25
*: possible in
N/A
T02 130 1 H 1C MR 0FS4
Document Number: 91000 www.vishay.com
Revision: 18-Jul-08 1
Disclaimer
Legal Disclaimer Notice
Vishay
All product specifications and data are subject to change without notice.
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 herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
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.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay 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.
