RCMA

RCMA Vishay Sfernice Molded Metal Film Very High Stability and Precision Resistors FEATURES • • • • • • • 0.1W to 2W at 70°C NF C 83-230 CECC 40 100 Very high stability: drift 107MΩ 0.0001% Volt – 65°C/+ 155°C/56 days RCMA 4 – – 2W 10Ω 2.5MΩ 1Ω 5MΩ 10Ω 2.5MΩ 1Ω 5MΩ 10Ω 2MΩ 10Ω 2.5MΩ 800V 320kΩ BE 0.125W 10Ω 332kΩ 1Ω 1MΩ 10Ω 332kΩ 1Ω 1MΩ 10Ω 332kΩ 10Ω 1MΩ 300V 720kΩ CE 0.250W 10Ω 332kΩ 1Ω 1MΩ 10Ω 332kΩ 1Ω 1MΩ 10Ω 332kΩ 10Ω 1MΩ 350V 490kΩ K3 ≤ ± 50ppm/°C Undergoes European Quality Insurance System (CECC) Document Number: 52009 Revision 25-Jul-02 For technical questions, contact sfer@vishay.com www.vishay.com 31 RCMA Vishay Sfernice PERFORMANCE NF C 83-230 - CECC 40 100 TESTS Load Life at max. Category Temperature Short Time Overload Damp Heat Humidity (Steady State) Rapid Temperature Change Climatic Sequence Terminal Strength Vibration Soldering (Thermal Shock) Load Life Shelf Life – 55°C – 65°C CONDITIONS STD 202 1000 h at 125°C 50% of Pn 2.5 Um/5 s limited to 2 Un 56 days with low load + 155°C + 155°C REQUIREMENTS ≤ ± 1% Insulation resist. >1GΩ ≤ ± (0.25% + 0.05Ω) ≤ ± (1% + 0.05Ω) Insulation resist. >1GΩ ≤ ± (0.25% + 0.05Ω) ≤ ± (1% + 0.05Ω) Insulation resist. >1GΩ ≤ ± (0.25% + 0.05Ω) ≤ ± (0.25% + 0.05Ω) ≤ ± (0,25% + 0.05Ω) ≤ ± (1% + 0.05Ω) Insulation resist. > 1GΩ – TYPICAL VALUES AND DRIFTS ± 0.25% or 0.05Ω ± 0.1% or 0.05Ω ± 0.2% or 0.05Ω ± 0.1% or 0.05Ω ± 0.25% or 0.05Ω Insulation resist. 106MΩ ± 0.05% or 0.05Ω ± 0.05% or 0.05Ω ± 0.05% or 0.05Ω ± 0.1% or 0.05Ω ± 0.1% or 0.05Ω Molded Metal Film Very High Stability and Precision Resistors Pull - Twist - 2 bends 10 to 500Hz + 260°C 10 s cycle 90’/30’ 1000 h at Pn at 70°C 1 year ambient temperature POWER RATING CHART 100 PRACTICAL OPERATING TOLERANCES Tables 2 and 3 show the basic characteristics and max. values under different stresses. In fact, the values and drifts are maintained to within narrower limits. Temperature coefficient between – 10°C and + 70°C LONG LIFE 90’/30’ cycles ambient temperature 70°C K5 ≤ ± 10ppm/°C K4 ≤ ± 15ppm/°C 1000 hours at Pr 10.000 hours at Pr ± 0.05% ± 0.15% % RATED POWER 50 So, in operation under the specified conditions (Pr at 70°C) the total drift (load life + T.C.) of a RCMA K4 does not exceed ± 0.25%. 0 0 30 50 70 100 125 150 SPECIAL APPLICATIONS Temperature coefficient tracking to 5ppm/°C. Tolerance matching to 0.05%. Selection of positive or negative T.C. in temperature range of – 20°C to + 125°C. AMBIENT TEMPERATURE IN DEGREES CELSIUS TEMPERATURE RISE HOT SPOT TEMPERATURE IN °C 40 M RC A4 For these applications and other requirements consult VISHAY SFERNICE. 30 RC MA 2 20 RC M A1 10 0 0 0.5 1 RATED POWER IN WATT 1.50 2 www.vishay.com 32 For technical questions, contact sfer@vishay.com Document Number: 52009 Revision 25-Jul-02 RCMA Molded Metal Film Very High Stability and Precision Resistors MARKING Printed: SFERNICE trademark, series, style (due to lack of space RCMA 02 is printed MA 02), ohmic value (in Ω), tolerance (in %), temperature coefficient, manufacturing date. Vishay Sfernice ORDERING INFORMATION RCMA 02 100kΩ ± 0.1% K5 AMMO-PACK SERIES STYLE SPECIAL DESIGN Method N° Optional OHMIC VALUE TOLERANCE TEMPERATURE COEFFICIENT PACKAGING Ammo-pack: Tape in a box or tape and reel Document Number: 52009 Revision 25-Jul-02 For technical questions, contact sfer@vishay.com www.vishay.com 33 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