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 * * * * * * * * * * * * EN140-201 CECC 40 100 Very high stability: Drift < 0.25 % after 1000 h 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 Compliant to RoHS directive 2002/95/EC DIMENSIONS in millimeters 25 min. A SERIES A max. OB max. OC WEIGHT g RCMA02 RCMA05 RCMA08 RCMA1 RCMA2 RCMA4 6.7 10.4 16.5 19.3 29 54 2.5 4.2 6.4 6.4 10.2 10.2 0.6 0.6 0.8 0.8 0.8 0.8 0.26 0.46 1.3 1.5 4.4 13 25 min. OB OC TECHNICAL SPECIFICATIONS VISHAY SFERNICE SERIES RCMA02 NF C 83-230 Power Rating at 70 C 0.2 % K3 K4 K5 0.5 % 1 % 0.1 % 0.2 % 0.5 % 1 % 0.1 % 0.2 % 0.5 % 1 % RCMA08 RCMA1 RCMA2 RCMA4 - - - K4 RS58P CECC 40 100-803 Resistance Value Range in Relation to - Tolerance - Temperature Coefficient RCMA05 K4 RS63P RS68P BE CE DE - - - 0.125 W 0.250 W 0.500 W 0.75 W 1W 2W 10 to 2.5 M 10 to 332 k 10 to 332 k 1 to 1 M 1 to 1 M 10 to 332 k 10 to 332 k 1 to 1 M 1 to 1 M 10 to 1 M 10 to 1 M 10 to 1 M 1 to 1.5 M 1 to 2 M 1 to 2.5 M 1 to 5 M 10 to 1 M 10 to 1 M 10 to 1 M 10 to 2.5 M 1 to 1.5 M 1 to 2 M 1 to 2.5 M 1 to 5M 10 to 1 M 10 to 2 M 10 to 332 k 10 to 332 k 10 to 750 k 10 to 750 k 10 to 1 M 10 to 1 M 10 to 1.5 M 10 to 2 M 10 to 2.5 M 10 to 2.5 M 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 to + 155 C K3 50 ppm/C Typical in the range 0 C to + 155 C K5 15 ppm/C > 107 M Insulation Resistance Voltage Coefficient 0.0001 %/V Environmental Specifications Note * Undergoes European Quality Insurance System (CECC) Document Number: 52009 Revision: 05-Oct-09 K4 25 ppm/C - 65 C/+ 155 C/56 days For technical questions, contact: sfer@vishay.com www.vishay.com 171 RCMA Vishay Sfernice Molded Metal Film Very High Stability (< 0.25 % after 1000 h) 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 resistance > 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 resistance > 1 G 0.2 % or 0.05 TESTS Load Life at Maximum 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 resistance > 1 G 0.25 % or 0.05 Insulation resistance 106 M Pull - twist - 2 bends (0.25 % + 0.05 ) 0.05 % or 0.05 10 Hz to 500 Hz (0.25 % + 0.05 ) 0.05 % or 0.05 + 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 resistance > 1 G 0.1 % or 0.05 Shelf Life 1 year ambient temperature - 0.1 % or 0.05 Terminal Strength Vibration Soldering (Thermal Shock) POWER RATING 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 IN % 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 h at Pr 0.05 % 10 000 h 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 RISE 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 MARKING A2 M RC Printed: Vishay Sfernice trademark, series, style (due to lack of space RCMA02 is printed MA02), ohmic value (in ), tolerance (in %), temperature coefficient, manufacturing date. C M A 1 20 R HOT SPOT TEMPERATURE IN C 50 10 0 0 0.5 1 1.5 2 RATED POWER IN W www.vishay.com 172 For technical questions, contact: sfer@vishay.com Document Number: 52009 Revision: 05-Oct-09 RCMA Molded Metal Film Very High Stability (< 0.25 % after 1000 h) Vishay Sfernice and Precision (up to 0.1 %) Resistors GLOBAL PART NUMBER INFORMATION R GLOBAL MODEL RCMA C M A 0 2 1 3 0 0 1 SIZE SPECIAL OHMIC VALUE TOLERANCE 02 05 08 10 20 40 As applicable. 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 k 33001 = 33 k 220R0 = 220 1R220 = 1.22 B = 0.1 % A = 0.2 % D = 0.5 % F=1% Document Number: 52009 Revision: 05-Oct-09 F For technical questions, contact: sfer@vishay.com H S TEMPERATURE COEFFICIENT H = K3, 50 ppm/K E = K4, 25 ppm/K D = K5, 15 ppm/K 1 4 PACKAGING AM500 = A20 BAG100 = S14 BAG50 = S09 BAG10 = S03 BO50* = B25 *: possible in N/A www.vishay.com 173 Legal Disclaimer Notice Vishay Disclaimer 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. Document Number: 91000 Revision: 18-Jul-08 www.vishay.com 1