Molded Metal Film Resistors
www.vishay.com For technical questions, contact: sfer@vishay.com Document Number: 52006
24 Revision: 08-Dec-06
RCMM
Vishay Sfernice
FEATURES
•0.25 W to 1 W at 70 °C
•NF C 83-230 (RC21U-31U-41U-32)
•CECC 40 100
•High insulation > 107 MΩ
•Great mechanical strength
•Termination = Pure matte tin
DIMENSIONS in millimeters
Undergoes European Quality Insurance System (CECC)
RoHS
COMPLIANT
25 min.25 min.
A
Ø C
Ø B
DIMEN-
SIONS
SERIES
AØ BØ C
UNIT WEIGHT
IN g.
RCMM02 6.5 ± 0.2 2.5 - 0
- 0.2 0.6 0.26
RCMM05 10.2 ± 0.2 3.65 ± 0.1 0.6 0.46
RCMM1 16 ± 0.5 6.2 ± 0.2 0.8 1.30
TECHNICAL SPECIFICATIONS
VISHAY SFERNICE SERIES RCMM02 RCMM05 RCMM1
CECC 83-230 RC21U RC32 RC31U RC41U
CECC 40 100-802 BV - CV -
Power Rating at 70 °C 0.25 W 0.50 W 0.50 W 1 W
Resistance Value Range
in Relation to Tolerance
± 5 % 1Ω to 330 kΩ
E24
1 Ω to 330 kΩ
E24
1 Ω to 1 MΩ
E24
1 Ω to 2.2 MΩ
E24
± 2 % 1 Ω to 332 kΩ
E48
1 Ω to 332 kΩ
E48
1 Ω to 1 MΩ
E48
1 Ω to 2.26 MΩ
E48
Maximum Voltage 300 V 350 V 350 V 500 V
Critical Resistance - 245 kΩ245 kΩ250 kΩ
Temperature
Coefficient
Rated
in the range - 55 °C + 155 °C K2 ≤ ± 100 ppm/°C
Typical
in the range - 10 °C + 70 °C ≤ ± 50 ppm/°C
Insulation Resistance (Typical) ≥ 107 MΩ (500 VDC)
Voltage Coefficient ≤ ± 10 ppm/Volt
Environmental Specifications - 65 °C/+ 155 °C/56 days
RCMM
Molded Metal Film Resistors Vishay Sfernice
Document Number: 52006 For technical questions, contact: sfer@vishay.com www.vishay.com
Revision: 08-Dec-06 25
* RC41: 15 seconds
POWER RATING CHART TEMPERATURE RISE
MARKING
Printed: SFERNICE trademark, series, style, ohmic value (in Ω), tolerance (in %), temperature coefficient, manufacturing date.
Due to lack of space RCMM02 is printed MM02.
PERFORMANCE
CECC 40 100 EN 140-100 TYPICAL VALUES
AND DRIFTS
TESTS CONDITIONS REQUIREMENTS
Load Life at max. Category Temperature 1000 h at 125 °C 35 % of Pn ≤ ± (2 % + 0.1 Ω)
Insulation resist. > 1 GΩ
± 0.75 % or 0.05 Ω
Insulation resist. 106 MΩ
Short Time Overload 2.5 Um/5 s ≤ ± (0.5 % + 0.05 Ω) ± 0.2 % or 0.05 Ω
Damp Heat Humidity
(Steady State)
56 days
with low load
≤ ± (2 % + 0.1 Ω)
Insulation resist. > 100 MΩ
± 0.5 % or 0.05 Ω
Insulation resist. 106 MΩ
Rapid Temperature Change - 55 °C + 125 °C ≤ ± (0.5 % + 0.05 Ω) ± 0.1 % or 0.05 Ω
Climatic Sequence - 55 °C + 125 °C ≤ ± (2 % + 0.1 Ω)
Insulation resist. > 100 MΩ
± 0.1 % or 0.05 Ω
Insulation resist. 106 MΩ
Terminal Strength Pull - Twist - 2 bends ≤ ± (0.5 % + 0.05 Ω) ± 0.05 % or 0.05 Ω
Vibration 10 - 500 Hz ≤ ± (0.5 % + 0.05 Ω) ± 0.05 % or 0.05 Ω
Soldering (Thermal Shock) + 260 °C 10 s ≤ ± (0.5 % + 0.05 Ω) ± 0.1 % or 0.05 Ω
Load Life cycle 90’/30’
1000 h at Pn at 70 °C
≤ ± (2 % + 0.1 Ω)
Insulation resist. > 1 GΩ
± 0.5 % or 0.05 Ω
Insulation resist. 106 MΩ
Shelf Life 1 year
ambient temperature -± 0.1 % or 0.05 Ω
ORDERING INFORMATION
RCMM 1 196K 2 % K2 BA50 e3
MODEL SIZE SPECIAL
DESIGN
Method N°
Optional
OHMIC
VALUE
TOLERANCE TEMPERATURE
COEFFICIENT
PAC K AG ING
Optional
LEAD
(Pb)-FREE
SAP PART NUMBERING GUIDELINES
RCMM 10 1963 G K S09
MODEL SIZE OHMIC VALUE TOLERANCE TEMPERATURE
COEFFICIENT
PA CK A G I N G
RATED POWER IN WATT
HOT SPOT TEMPERATURE IN °C
60
40
20
0
RCMM1
0 0.25 0.5 0.75 1
RCMM05
RCMM02
AMBIENT TEMPERATURE IN DEGREES CELSIUS
% RATED POWER
100
50
35
00 30 50 70 100 125 150
Legal Disclaimer Notice
Vishay
Document Number: 91000 www.vishay.com
Revision: 08-Apr-05 1
Notice
Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc.,
or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, by
estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's
terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express
or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness
for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
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