Flat Chip Resistors FLAT CHIP (AUDIO CIRCUIT) RK73A High Quality Sound Chip Resistors Construction L c c W t d Ni plating Solder plating Ceramic substrate Coating colorBlack Applications Type Inch Size Code 1J 0603 2A 0805 2B 1206 CD Hi-FiDVD RoHS RoHS Audio Equipment (CDAmplifier) Visual Equipment (Hi-Fi VideoDVD Player) Other Analog Signal Processing Circuits. Suitable for both reflow and flow solderings. Products with lead free termination meet RoHS requirements. RoHS regulation is not intended for Pb-glass contained in electrode, resistor element and glass. Protective coating Resistive film Inner electrode Dimensions Dimensions mm W c d L0.2 t0.1 Weightg 1000pcs 1.6 0.80.1 0.30.1 0.30.1 0.45 2.14 2.0 1.250.1 0.40.2 0.3 0.2 . -0.1 0.5 4.54 3.2 1.60.2 0.50.3 0.4 0.2 . -0.1 0.6 9.14 Type Designation Example Old Type RK73AD 2B New Type RK73A 2B Product Code Reference Standards IEC 60115-8 JIS C 5201-8 EIAJ RC-2134A TD 10k J T TD 103 J Power Rating Terminal Surface Material Taping Nominal Resistance Resistance Tolerance 1J :0.063W 2A:0.1W 2B:0.125W TSn LSn/Pb TP: 2mm pitch punch paper TD: 4mm pitch punch paper TE: 4mm pitch plastic embossed BC:Bulk case BK:Bulk 3 digits G:2% J:5% APPENDIX C For further information on taping, please refer to APPENDIX C on the back pages. Ratings Type Resistance Range Power T.C.R. Rating x10-6/K 1J 0.063W 2A 0.1W00 2B 0.125W G:2 J:5 E24 E24 200 101M 101M 250 2.29.1 2.29.1 200 101M 101M 250 2.29.1 2.29.1 200 101M 101M 250 2.29.1 2.29.1 Max. Max. Working Overload Voltage Voltage 50V Packaging & Q ty /Reel or Case Taping Bulk Case TP TD TE BC 100V 10,000 5,000 25,000 150V 200V 10,000 5,000 4,000 10,000 200V 400V 5,000 4,000 5,000 Rated Ambient Temperature :70 Operating Temperature Range :-55125 x Rated voltage Power RatingxResistance value or Max. working voltage, whichever is lower. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. www.koanet.co.jp Flat Chip Resistors Derating Curve Percent rated power 100 80 60 40 20 0 -60 -40 -20 0 -55 20 40 60 80 100 120 140 70 125 Ambient temperature 70 For resistors operated at an ambient temperature of 70 or above, a power rating shall be derated in accordance with the above derating curve. What is the high quality sound resistors ? RK73DA RK73 The quality sound resistor creates high fidelity sounds with high resolution and clarity when used in Signal Processing Circuits(D/A Converter, Amplifier, ... etc.) for sound related equipment such as Audio and Voice signals. It is the same shape and compatible with RK73 Series. Comparison with general purpose chip resistors. Production MethodStrictly selected materials are used for high quality sound and the production is controlled at specialized processes. PerformanceThe general characteristics are the same as standard resistors, which makes it possible to be used for existing models. Sound QualityHeavy bass echo, high frequency sound, resolution, clarity, etc. are improved. Performance Test Items Performance Requirements R 0.05 Test Methods Limit Typical Resistance Within specified tolerance 25 T.C.R. Within specified T.C.R. 25 / -55 and 25 / 125 OverloadShort time 2 2 x 2.5 5 Rated voltage x 2.5 for 5s Resistance to soldering heat 1 3R10, R1M 0.5 1R10, R1M 2605, 10s1s Rapid change of temperature 0.5 0.3 -55 30min. /125 30min.100 cycles Moisture resistance 2 1 402, 90%95%RH, 1000h 1.5 ON / 0.5 OFF 1.5h ON / 0.5h OFF cycle 70 Endurance at 70 2 0.5 702, 1000h 1.5 ON / 0.5 OFF 1.5h ON / 0.5h OFF cycle Low temperature exposure 1 0.5 -55, 1h High temperature exposure 1 0.5 125, 1000h Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. www.koanet.co.jp