RCMA www.vishay.com 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 According to CECC 4101-803 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) 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 Material categorization: for definitions of compliance please see www.vishay.com/doc 99912 DIMENSIONS in millimeters SERIES A max. B max. C WEIGHT in g RCMA02 6.7 2.5 0.6 0.26 25 min. A 25 min. RCMA05 10.4 4.2 0.6 0.46 RCMA08 16.5 6.4 0.8 1.3 RCMA1 19.3 6.4 0.8 1.5 B C RCMA2 29 10.2 0.8 4.4 RCMA4 54 10.2 0.8 13 STANDARD ELECTRICAL SPECIFICATIONS RESISTANCE RATED POWER LIMITING ELEMENT TEMPERATURE TOLERANCE MODEL RANGE P VOLTAGE COEFFICIENT 70 C % W V ppm/C RCMA02 1 to 1M 0.125 300 0.1, 0.2, 0.5, 1 15, 50 RCMA05 1 to 1M 0.250 350 0.1, 0.2, 0.5, 1 15, 50 RCMA08 1 to 1.5M 0.500 400 0.1, 0.2, 0.5, 1 15, 50 RCMA1 1 to 2M 0.75 500 0.1, 0.2, 0.5, 1 15, 25 RCMA2 1 to 2.5M 1.0 600 0.1, 0.2, 0.5, 1 15, 25 RCMA4 1 to 5M 2.0 800 0.1, 0.2, 0.5, 1 15, 25 Revision: 27-Jul-2021 Document Number: 52009 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 RCMA www.vishay.com Vishay Sfernice TECHNICAL SPECIFICATIONS VISHAY SFERNICE SERIES RCMA02 RCMA05 RCMA08 RCMA1 RCMA2 RCMA4 K4 K4 NF C 83-230 (for information) -- - RS68P RS58P RS63P Power rating at 70 C 0.125 W 0.250 W 0.500 W 0.75 W 1 W 2 W 0.2 % 10 to 332 k 10 to 332 k 10 to 1 M 10 to 1 M 10 to 1 M 10 to 2.5 M K3 Resistance 0.5 % 1 % 1 to 1 M 1 to 1 M 1 to 1.5 M 1 to 2 M 1 to 2.5 M 1 W to 5 M value range 0.1 % 0.2 % 10 to 332 k 10 to 332 k 10 to 1 M 10 to 1 M 10 to 1 M 10 to 2.5 M in relation to K4 - tolerance 0.5 % 1 % 1 to 1 M 1 to 1 M 1 to 1.5 M 1 to 2 M 1 to 2.5 M 1 to 5 M - temperature 0.1 % 0.2 % 10 to 332 k 10 to 332 k 10 to 750 k 10 to 750 k coefficient K5 10 to 100 k 10 to 100 k 0.5 % 1 % 10 to 1 M 10 to 1 M 10 to 1.5 M 10 to 2 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 Rated in the range K3 50 ppm/C K4 25 ppm/C -55 C to +155 C Temperature coefficient Typical in the range K5 15 ppm/C 0 C to +155 C 7 Insulation resistance > 10 M Voltage coefficient 0.0001 %/V Environmental specifications -65 C / +155 C / 56 days PERFORMANCE TYPICAL VALUES TESTS CONDITIONS REQUIREMENTS AND DRIFTS Load life at 1 % 1000 h at 125 C 50 % of P 0.25 % or 0.05 n maximum category temperature Insulation resistance > 1 G 2.5 Un / 5 s Short time overload (0.25 % + 0.05 ) 0.1 % or 0.05 Limited to 2 Um Damp heat humidity 56 days (1 % + 0.05 ) 0.2 % or 0.05 (steady state) with low load Insulation resistance > 1 G Rapid temperature change -55 C to +155 C (0.25 % + 0.05 ) 0.1 % or 0.05 (1 % + 0.05 ) 0.25 % or 0.05 Climatic sequence -65 C to +155 C 6 Insulation resistance > 1 G Insulation resistance 10 M Terminal strength Pull - twist - 2 bends (0.25 % + 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 ) 0.05 % or 0.05 Cycle 90/30 (1 % + 0.05 ) Load life 0.1 % or 0.05 1000 h at P at 70 C Insulation resistance > 1 G n 1 year Shelf life - 0.1 % or 0.05 ambient temperature Revision: 27-Jul-2021 Document Number: 52009 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