MRA Precision Metal Film Resistors Europes No 1 selling axial thin film high precision resistor. Stable films are sputtered on to high purity alumina rods, then covered in tough epoxy to protect from any environmental extremes Power dissipation up to 2W Value range from R1 to 10M Precision tolerance down to 0.05% Low TCR 5ppm/C RoHS Compliant Characteristics Tolerance (Code): 0.05%, 0.1% (B), 0.25 (C), 0.5% (D), 1% (F) Operating temperature: -55C to +155C Temperature coefficient: 5ppm/C , 10ppm/C , 15ppm/C, 25ppm/C, 50ppm/C, 100ppm/C Overload: 0.25% rated continuous working voltage =(P*R)*2.5 for 5 seconds Endurance: 0.2%, 702C, rated continuous working voltage for 1000 hours with 1.5 hrs ON and 0.5 hrs OFF Damp heat with load: 0.3%, 402C, 90 - 95% RH, rated continuous working voltage for 1000 hours with 1.5 hrs ON and 0.5 hrs OFF Solderability: 90% min coverage, 2455C for 3 seconds Temperature coefficient: by type, resistance value 25C and 100C Pulse overload: 0.75%, 4 times rated continuous working voltage =(P*R) for 10,000 cycles with 1 second ON and 25 seconds OFF Terminal strength: Tensile 2.5kg, direct load for 10 seconds in the direction of the terminal leads Shelf life: R 0.1%, 12 months at 25C3C, 80% RH maximum Dimensions (mm) Type L D H d 0.03 MRA0104 3.3 +0.7/-0.2 1.8 0.3 29 2.0 0.45 MRA0207 6.3 0.5 2.3 0.3 28 2.0 0.55 d D MRA0309 9.0 0.5 3.2 0.5 26 2.0 0.65 MRA0412 11.5 1.0 4.5 0.5 35 2.0 0.78 L H MRA0516 15.5 1.0 5.0 0.5 32 2.0 0.78 Ordering Procedure Derating Curve 100 Standard Resistor: Series, Resistance Value, Tolerance, TCR, 80 Packaging (TA: Taped Ammo, TR: Taped Reel) 60 40 20 e.g.: MRA0104 10R B 15PPM TA 0 0 20 40 60 80 100 120 140 160 Ambient Temperature (C) ARCOL UK Limited, The information contained herein does not form part of a Threemilestone Ind. Estate, contract and is subject to change without notice. ARCOL Truro, Cornwall, TR4 9LG, UK. operate a policy of continual product development, therefore, T +44 (0) 1872 277431 specifications may change. F +44 (0) 1872 222002 It is the responsibility of the customer to ensure that the E sales arcolresistors.com component selected from our range is suitable for the intended www.arcolresistors.com application. If in doubt please ask ARCOL. Page 1 of 2 6/14.02 Power Rated %MRA Precision Metal Film Resistors Electrical Specifications Resistance Range / Tolerance / TCR (ppm/C) Max. operating Type Wattage voltage 0.05% TCR 0.1% TCR 0.25% TCR 0.5% TCR 1% TCR 15ppm 10R - 1M 25ppm 10R - 4M99 15ppm 10R - 4M99 15ppm 15ppm 50 ppm 1/8W 200V 10R - 1M 25ppm 25ppm 25ppm 10R - 10M 10R - 10M 50 ppm 50 ppm 50 ppm 1R - 1M 100ppm 1R - 10M 100ppm R1 - 10M 100ppm 5ppm 10ppm 5ppm 10R - 1M 15ppm 10R - 1M 10R - 1M 10ppm 5ppm 10ppm 5ppm 25ppm 10ppm 10ppm 50 ppm 1/4W 250V 10R - 1M 10R - 1M 15ppm 15ppm 15ppm 15ppm 25ppm 25ppm 10R - 10M 25ppm 10R - 10M 25ppm 50ppm 1R - 1M 100ppm 50 ppm 50 ppm 1R - 10M 100ppm R1 - 10M 100ppm 5ppm 10ppm 5ppm 10R - 1M 15ppm 10R - 1M 10R - 1M 10ppm 10ppm 25ppm 5ppm 5ppm 50 ppm 10ppm 10ppm 1/2W 350V 10R - 1M 10R - 1M 15ppm 15ppm 25ppm 15ppm 15ppm 25ppm 50ppm 10R - 10M 25ppm 10R - 10M 25ppm 1R - 1M 100ppm 50 ppm 50 ppm 1R - 10M 100ppm R1 - 10M 100ppm 15ppm 10R - 1M 25ppm 10R - 4M99 15ppm 10R - 4M99 15ppm 15ppm 50ppm 1W 450V 10R - 1M 25ppm 25ppm 25ppm 50ppm 10R - 10M 10R - 10M 50 ppm 50 ppm 1R - 1M 100ppm 1R - 10M 100ppm R1 - 10M 100ppm 15ppm 10R - 1M 25ppm 10R - 4M99 15ppm 10R - 4M99 15ppm 15ppm 50ppm 2W 500V 10R - 1M 25ppm 25ppm 25ppm 50ppm 10R - 10M 10R - 10M 50 ppm 50 ppm 1R - 1M 100ppm 1R - 10M 100ppm R1 - 10M 100ppm ARCOL UK Limited, The information contained herein does not form part of a Threemilestone Ind. Estate, contract and is subject to change without notice. ARCOL Truro, Cornwall, TR4 9LG, UK. operate a policy of continual product development, therefore, T +44 (0) 1872 277431 specifications may change. F +44 (0) 1872 222002 It is the responsibility of the customer to ensure that the E sales arcolresistors.com component selected from our range is suitable for the intended www.arcolresistors.com application. If in doubt please ask ARCOL. Page 2 of 2 6/14.02 MRA0516 MRA0412 MRA0309 MRA0207 MRA0104