EU RoHS METAL FILM MF Coat-Insulated Fixed Metal Film Resistors Construction C d L Coating colorLight gray MarkingColor code Features T.C.R. RoHS High precision and low T.C.R. metal film resistors. Automatic insertion is applicable. Various formings are available. Excellent stability for a long time. Products meet EU-RoHS requirements. Low Power Type Resistors Type MFS1/4 MF1/4 MFS1/2 MF1/2 D Marking Insulation coating Trimming line Ceramic core Electrode cap Lead wire Resistive film Dimensions Dimensionsmm C Max. D dNominal 1.7 0.2 . 0.45 3.4 -0.1 7.1 2.30.3 0.60 7.1 2.30.3 0.60 11.1 3.50.4 0.60 L 3.20.2 6.30.5 6.30.5 9.01.0 R3. 30 Weightg 1000pcs 120 215 215 360 Reference Standards IEC 60115-1 JIS C 5201-1 Type Designation Example MF 1/4 Product Code D C T.C.R. Terminal Power x10-6/K Surface Material Rating C50 CSnCu S1/40.25W D100 1/40.25W L200 S1/20.5W 1/20.5W T52 A 1002 F Taping & Forming See table below Packing Nominal Resistance D, F4 digits G3 digits Resistance Tolerance D0.5 F1 G2 A AAMMO R RREEL EU-RoHS APPENDIX C Contact us when you have control request for environmental hazardous material other than the substance specified by EU-RoHS. For further information on taping and forming, please refer to APPENDIX C on the back pages. Taping & Forming Matrix Axial Taping T26 T52 - Type MFS1/4C MF1/4C MFS1/2C MF1/2C VT - Radial Taping VTP VTE - - - - MT - - - U Forming U - - M5 M5F - - - M5R - - - M Forming M10 M12.5 - - M10F M12.5R M10R - - M12.5R M15 - - - M15R T.C.R. Ratings Type MFS1/4CC MFS1/4DC MF1/4CC MF1/4DC MF1/4LC MFS1/2CC MFS1/2DC MF1/2CC MF1/2DC MF1/2LC Power Rating 0.25W 0.25W 0.5W 0.5W T.C.R. x10-6/K C50 D100 C50 D100 L 200 C50 D100 C50 D100 L 200 Resistance Range D0.5 E24E192 F1 E24E96 G2 E24 49.9562k 101M - 102.21M 102.21M - - 1.010 0.5110 101M 102.2M 102.2M 105.05M - 104.99M 105.11M 1.010 - Max. Working Voltage Max. Overload Voltage 250V 500V Dielectri Withstanding Voltage 300V 500V 350V 700V 700V 0.5110 / Taping & Q'ty/AMMO pcs T26A T52A 3,000 3,000 3,000 3,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 2,000 - 2,000 2,000 Rated Ambient Temperature :70 Operating Temperature Range :-55155 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. Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment. Malfunction or failure of the products in such applications may cause loss of human life or serious damage. www.koanet.co.jp Derating Curve Percent rated power 100 80 60 40 20 0 -60 -40 -20 0 20 40 60 80 100 120 140 160 -55 70 155 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. Performance Performance Requirements R 0.05 Test Items Test Methods Typical Resistance Within specified tolerance 25 T.C.R. Within specified T.C.R. 25 / 125 OverloadShort time 0.5 0.3 x2.5 5 MFS1/4, MF1/4, MF1/2 x2 5 MFS1/2 Rated voltage x 2.5 or Max. overload vol., whichever is lower, for 5sMFS1/4, MF1/4, MF1/2 Rated voltage x 2 or Max. overload vol., whichever is lower, for 5sMFS1/2 Resistance to soldering heat 0.75MFS1/4 0.5MF1/4, MFS1/2, MF1/2 0.4MFS1/4 0.25MF1/4, MFS1/2, MF1/2 2605, 10s1s Rapid change of temperature 1.0 0.3 -55 30min. /155 30min.5 cycles Moisture resistance 1.5MFS1/4 1MF1/4, MFS1/2, MF1/2 1MFS1/4 0.75MF1/4, MFS1/2, MF1/2 402, 90%95%RH, 1000h 1.5 ON / 0.5 OFF 1.5h ON / 0.5h OFF cycle 70 Endurance at 70 1.5MFS1/4 1MF1/4, MFS1/2, MF1/2 1MFS1/4 0.75MF1/4, MFS1/2, MF1/2 702, 1000h 1.5 ON / 0.5 OFF 1.5h ON / 0.5h OFF cycle Precautions for Use RMA Ionic impurities such as flux etc. that are attached to these products or those mounted onto a PCB, negatively affect their moisture resistance, corrosion resistance, etc. The flux may contain ionic substances like chlorine, acid, etc. Please wash them to get rid of these ionic substances especially when using lead-free solder that may contain much of the said substances for improving a wetting characteristic. Using RMA solder or RMA flux, or well-washing is needed. Also, attaching ionic substances such as perspiration, salt etc. by storage environments or mounting conditions/environments negatively affects their moisture resistance, corrosion resistance etc. Please wash them to remove the ionic substances when they are polluted. Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use. Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment. Malfunction or failure of the products in such applications may cause loss of human life or serious damage. www.koanet.co.jp Low Power Type Resistors Limit