RCMS02, RCMS05, RCMS1
www.vishay.com
Vishay Sfernice
Molded Metal Film High Stability Resistors
FEATURES
0.125 W to 0.5 W at 70 C
Approval according to CECC 40 101 (002/803)
High long term stability drift < 0.5 % after 1000 h
Excellent temperature coefficient 30 ppm/C
in the range - 10 C to 70 C
Excellent initial precision: Up to 1 %
6
High insulation typical values: 10 M
Termination = pure matte tin
Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
DIMENSIONS in millimeters
25 min. 25 min.
SERIES A B C WEIGHT in g
- 0
RCMS02 6.5 0.2 2.5 0.6 0.26
- 0.2
RCMS05 10.2 0.2 3.65 0.1 0.6 0.46
B C
RCMS1 16 0.5 6.2 0.2 0.8 1.30
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE RATED POWER LIMITING ELEMENT TEMPERATURE
TOLERANCE
MODEL RANGE P VOLTAGE COEFFICIENT
70 C
%
W V ppm/C
1 to 332K 0.125 300 1 30, 50
RCMS02 1 to 332K 0.250 300, 1 30, 50
1 to 332K 0.500 350 1 30, 50
1 to 1M 0.250 350 1 30, 50
RCMS05
1 to 1M 0.500 350 1 30, 50
RCMS1 1 to 2.21M 0.500 400 1 30, 50
Note
Undergoes European Quality Insurance System (CECC)
TECHNICAL SPECIFICATIONS
VISHAY SFERNICE SERIES RCMS02 RCMS05 RCMS1
Reference under CECC 40 101-002 approvals RS58Y RS64Y RS71Y RS63Y RS69Y RS68Y
Reference under CECC 40 101-803 approvals BC - - CC - DC
MIL-R-105509 F equivalent reference RN55C - - RN60C - RN65C
Power Rating at 70 C 0.125 W 0.250 W 0.500 W 0.250 W 0.500 W 0.500 W
Resistance Value Range 1 to 1 to 1 to 1 to 1 to
1 to
1 % E96
in Relation to Tolerance 332 k 332 k 332 k 1 M 1 M 2.21 M
Maximum Voltage 300 V 300 V 350 V 350 V 350 V 400 V
Critical Resistance - - - 490 k 245 k 320 k
Rated
K3 50 ppm/C
in the range - 55 C + 155 C
Temperature
Coefficient
Typical
K3 30 ppm/C
in the range - 10 C + 70 C
7
Insulation Resistance (Typical) 10 M (500 V )
DC
Voltage Coefficient 10 ppm/V
Environmental Specification - 65 C/+ 155 C/56 days
Note
Undergoes European Quality Insurance System (CECC)
Revision: 05-Aug-13 Document Number: 52007
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
A
RCMS02, RCMS05, RCMS1
www.vishay.com
Vishay Sfernice
PERFORMANCE
CECC 40 100EN 140-100
TYPICAL VALUES
AND DRIFTS
TESTS CONDITIONS REQUIREMENTS
Load Life at Max. Category (1 % + 0.05 ) 0.5 % or 0.05
1000 h at 125 C 50 % of P
n
6
Temperature Insulation resist. > 1 G Insulation resist. 10 M
2.5 U /5 s
m
Short Time Overload (0.25 % + 0.05 ) 0.1 % or 0.05
limited to 2 U
n
Damp Heat Humidity 56 days (1 % + 0.05 ) 0.5 % or 0.05
6
(Steady State) with low load Insulation resist. > 1 G Insulation resist. 10 M
Rapid Temperature Change - 55 C + 125 C (0.25 % + 0.05 ) 0.1 % or 0.05
- 55 C + 125 C (0.5 % + 0.05 ) 0.1 % or 0.05
Climatic Sequence
6
severity 1 Insulation resist. > 1 G Insulation resist. 10 M
Terminal Strength Pull - twist - 2 bends (1 % + 0.05 ) 0.05 % or 0.05
Vibration 10 Hz to 500 Hz (0.25 % + 0.05 ) 0.05 % or 0.05
Soldering (Thermal Shock) + 260 C 10 s (0.25 % + 0.05 ) 0.1 % or 0.05
Cycle 90/30 (1 % + 0.05 W) 0.2 % or 0.05
Load Life
6
1000 h at P at 70 C Insulation resist. > 1 G Insulation resist. 10 M
n
1 year
Shelf Life - 0.1 % or 0.05
ambient temperature
POWER RATING PRACTICAL OPERATING TOLERANCES
Tables 2 and 3 show the basic characteristics and max.
100
values under different stresses. In fact, the values and drifts
are maintained to within narrower limits.
Temperature coefficient
K3 30 ppm/C
between - 10 C and + 70 C
50 1000 h at P 0.25 %
r
LONG LIFE
90/30 cycles
ambient temperature 70 C
10 000 h at P 0.5 %
r
Thus, in operation under the specified conditions (P at
r
70 C) the total drift (load life + TCR) of a RCMS K3 does not
0
exceed 0.5 %.
0 30 50 70 100 125 150
AMBIENT TEMPERATURE IN (C)
NOISE LEVEL
TEMPERATURE RISE
In a frequency decade, the average noise level increases
with the ohmic value and can reach 0.3 V/V for the highest
60
values. It is non measurable for R < 2 k.
n
MARKING
Printed: Vishay Sfernice trademark, series, style NF style (if
40
applicable), ohmic value (in ), tolerance (in %), temperature
coefficient, manufacturing data. Due to lack of space RCMS
02 is printed MS 02.
20
0
0 0.25 0.5 0.75 1
RATED POWER IN (W)
Revision: 05-Aug-13 Document Number: 52007
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
RCMS1
RCMS05
RCMS02
HOT SPOT TEMPERATURE IN (C)
% RATED POWER