RD41 MELF MELF Type Fixed Carbon Film Resistors Construction D3 Resistors MELF (CARBON FILM) C D1 L Coating colorIvory MarkingColor code3 color-bands Features Electrode cap Resistive film Marking Dimensions Type SMD carbon flim resistors. Free direction for mounting due to cylindrical design. These have stronger electrodes than flat chip resistors. These have better noise characteristics than thick film flat chip resistors. Suitable for reflow, flow and iron solderings. Insulation coating Trimming line Ceramic core D2 Dimensionsmm Weightg Inch Size Code L C Min. D1 D 2 Max. D 3 Max. 1000pcs 2A 0805 2.00.1 0.3 1.250.05 1.35 0.07 11 2B 1406 3.50.2 0.5 1.450.10 1.55 2D 1206 3.20.2 0.5 1.550.15 1.75 2E 2309 5.90.2 0.5 2.20.1 2.40 23 0.1 26 0.15 73 Type Designation Example Old Type RD41B 2B New Type RD41 2B Product Code Reference Standards IEC 60115-8 JIS C 5201-8 EIAJ RC-2131A T 10k J T TE 103 J Power Rating Terminal Surface Material Packaging Nominal Resistance Resistance Tolerance 2A:0.125W 2B:0.125W 2D:0.2W00 2E:0.25W0 T : Sn L : Sn/Pb TE: TE:Taping BK: 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 Power Rating Resistance Range E24 Resistance Tolerance RD41 2A 0.125W 2.21M RD41 2B 0.125W 2.21M G:2 RD41 2D 0.2W00 1.01M J:5 RD41 2E 0.25W0 1.02.2M Max. Working Voltage Max. Overload Voltage 150V 200V 200V 400V 300V 600V Rated Ambient Operating Temperture Temperture Range Packaging & Q ty (pcs) Case Reel 50,000 70 -55155 3,000 40,000 3,000 40,000 2,000 10,000 1,500 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 Derating Curve Resistors Percent rated power 100 80 60 40 20 0 -60 -40 -55 -20 0 20 80 100 120 140 160 70 155 Ambient temperature 40 60 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. 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 1 0.5 x 2.5 5 Rated voltage x 2.5 for 5s Intermittent overload 1 410,0002A3 Rated voltage x 4 (2A x 3) or Max. Intermittent overload voltage, whichever is less, 10,000 cycles. 2A:300V, 2B:400V, 2D:500V, 2E:600V Max. Intermittent overload voltage 2A:300V, 2B:400V, 2D:500V, 2E:600V Resistance to soldering heat 1 0.5 2605, 10s1s Rapid change of temperature 1 0.75 -55 30min. /125 30min.5 cycles Moisture resistance 3 1.5 402, 90%95%RH, 1000h 1.5 ON / 0.5 OFF 1.5h ON / 0.5h OFF cycle 70 Endurance at 70 2 1 702, 1000h 1.5 ON / 0.5 OFF 1.5h ON / 0.5h OFF cycle Low temperature exposure 1 0.75 -55, 1h High temperature exposure 2 1 125, 100h 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