RCMA Vishay Sfernice Molded Metal Film Very High Stability (< 0.25 % after 1000 h) and Precision (up to 0.1 %) Resistors FEATURES * 0.1 W to 2 W at 70 C * * * * EN 140-201 CECC 40 100 RoHS Very high stability: drift < 0.25 % after 1000 hours COMPLIANT Reduced total excursion: high initial precision (to 0.1 %) with low temperature coefficient (down to 15 ppm/C) The models in this series are the first ones qualified by the CNES for spatial applications (certificate N4 dated October 22, 1972) Wide range ohmic values 1 to 5 M Accurate dimensions, high insulation and great mechanical strength High climatic performances: - 65 C/+ 155 C/56 days Matching tolerance: 0.1 % Tracking TCR: 5 ppm/C Termination: Pure Matte Tin * * * * * * * DIMENSIONS in millimeters 25 min. A SERIES 25 min. DIMENSIONS OB OC RCMA RCMA RCMA RCMA RCMA RCMA 02 05 08 1 2 4 A max. 6.7 10.4 16.5 19.3 29 54 O B max. 2.5 4.2 6.4 6.4 10.2 10.2 OC 0.6 0.6 0.8 0.8 0.8 0.8 Unit weight in g 0.26 0.46 1.3 1.5 4.4 13 RCMA 08 RCMA 1 RCMA 2 RCMA 4 - - - TECHNICAL SPECIFICATIONS VISHAY SFERNICE SERIES RCMA 02 NF C 83-230 K4 RS58P CECC 40 100-803 Power Rating at 70 C Resistance Value Range in Relation to - Tolerance - Temperature Coefficient RCMA 05 K4 K3 K4 K5 0.2 % 0.5 % 1 % 0.1 % 0.2 % RS63P RS68P BE CE DE - - - 0.125 W 0.250 W 0.500 W 0.75 W 1W 2W 10 1 10 332 k 10 1 M 1 1 M 1 332 k 10 332 k 10 1 M 10 1 M 10 1.5 M 1 2 M 1 1 M 10 1 M 10 2.5 M 1 M 10 1 2.5 M 5 M 1 M 10 2.5 M 1 M 1 1 M 1 0.1 % 0.2 % 10 332 k 10 332 k 10 750 k 10 750 k 10 1 M 10 2 M 0.5 % 1 % 10 1 M 10 1 M 10 1.5 M 10 2 M 10 2.5 M 10 2.5 M 0.5 % 1 % 1 332 k 10 1.5 M 1 2 M 1 2.5 M 1 5M Maximum Voltage 300 V 350 V 400 V 500 V 600 V 800 V Critical Resistance 720 k 490 k 320 k 333 k 360 k 320 k Temperature Coefficient rated in the range - 55 C/+ 155 C K3 50 ppm/C typical in the range 0 C/+ 155 C K4 25 ppm/C K5 15 ppm/C > 107 M Insulation Resistance Voltage Coefficient 0.0001 % Volt Environmental Specifications - 65 C/+ 155 C/56 days Undergoes European Quality Insurance System (CECC) www.vishay.com 31 For technical questions, contact: sfer@vishay.com Document Number: 52009 Revision: 24-Jan-07 RCMA Molded Metal Film Very High Stability (< 0.25 % after 1000 h) Vishay Sfernice and Precision (up to 0.1 %) Resistors PERFORMANCE CECC 40 100 EN 140-201 CONDITIONS STD 202 REQUIREMENTS TYPICAL VALUES AND DRIFTS 1000 h at 125 C 50 % of Pn 1% Insulation resist. > 1 G 0.25 % or 0.05 Short Time Overload 2.5 Um/5 s limited to 2 Un (0.25 % + 0.05 ) 0.1 % or 0.05 Damp Heat Humidity (Steady State) 56 days with low load (1 % + 0.05 ) Insulation resist. > 1 G 0.2 % or 0.05 TESTS Load Life at max. Category Temperature Rapid Temperature Change - 55 C Climatic Sequence - 65 C + 155 C (0.25 % + 0.05 ) 0.1 % or 0.05 + 155 C (1 % + 0.05 ) Insulation resist. > 1 G 0.25 % or 0.05 Insulation resist. 106 M Pull - Twist - 2 bends (0.25 % + 0.05 ) 0.05 % or 0.05 Vibration 10 to 500 Hz (0.25 % + 0.05 ) 0.05 % or 0.05 Soldering (Thermal Shock) + 260 C 10 s (0.25 % + 0.05 ) 0.05 % or 0.05 Load Life cycle 90'/30' 1000 h at Pn at 70 C (1 % + 0.05 ) Insulation resist. > 1 G 0.1 % or 0.05 Shelf Life 1 year ambient temperature - 0.1 % or 0.05 Terminal Strength POWER RATING CHART PRACTICAL OPERATING TOLERANCES Table 2 and 3 show the basic characteristics and maximum values under different stresses. In fact, the values and drifts are maintained to within narrower limits. % RATED POWER 100 K5 10 ppm/C K4 15 ppm/C Temperature coefficient between - 10 C and + 70 C LONG LIFE 90'/30' cycles ambient temperature 70 C 50 1000 hours at Pr 0.05 % 10 000 hours at Pr 0.15 % So, in operation under the specified conditions (Pr at 70 C) the total drift (load life + TCR) of a RCMA K4 does not exceed 0.25 %. 0 0 30 50 70 100 125 150 AMBIENT TEMPERATURE IN C SPECIAL APPLICATIONS Temperature coefficient tracking to 5 ppm/C. 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. 40 4 MA RC 30 A2 M RC C M A 1 20 R HOT SPOT TEMPERATURE IN C TEMPERATURE RISE 10 0 0 0.5 1 1.50 2 RATED POWER IN WATT Document Number: 52009 Revision: 24-Jan-07 For technical questions, contact: sfer@vishay.com www.vishay.com 32 RCMA Vishay Sfernice Molded Metal Film Very High Stability (< 0.25 % after 1000 h) and Precision (up to 0.1 %) Resistorss MARKING Printed: SFERNICE trademark, series, style (due to lack of space RCMA 02 is printed MA 02), ohmic value (in ), tolerance (in %), temperature coefficient, manufacturing date. ORDERING INFORMATION RCMA 02 MODEL SIZE SPECIAL DESIGN 100K 1% K6 AM500 e3 OHMIC VALUE TOLERANCE TEMPERATURE COEFFICIENT PACKAGING LEAD (Pb)-FREE Ammo-pack: Tape in a box or tape and reel Method N Optional SAP PART NUMBERING GUIDELINES RCMA 02 10002 F Y A20 MODEL SIZE OHMIC VALUE TOLERANCE TEMPERATURE COEFFICIENT PACKAGING www.vishay.com 33 For technical questions, contact: sfer@vishay.com Document Number: 52009 Revision: 24-Jan-07 Legal Disclaimer Notice Vishay 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 indemnify Vishay for any damages resulting from such improper use or sale. Document Number: 91000 Revision: 08-Apr-05 www.vishay.com 1