90 Series Lead Free Vitreous Enamel Molded Axial Term. Wirewound, 5% Tolerance Standard FeatureS When you need the highest quality wirewound axial terminal resistors available, choose Ohmites 90 Molded Construction provides consistent shape Series resistors. and size (Permits mounting in clips which extends They are manufactured by a unique process that power rating). molds the vitreous enamel over the resistive ele- Meets MIL-R-26 requirements for insulated resis- ment, helping to ensure consistent dimensions. tors. This uniformity permits 90 Series resistors to be All-welded construction. mounted in clips, creating a heat-sinking benefit (see next page). Flame resistant lead free vitreous enamel coating. The durable vitreous enamel coating, which is totally Higher ratings in smaller sizes. lead free, permits the 90 Series resistors to maintain Heat sink mounting clips available. a hard coating while operating at high temperatures. Mechanical integrity is enhanced by the all-welded RoHS compliant add E suffix to part number to construction. specify. SerieS SpeCiFiCationS Series Wattage* Ohms Voltage 91 1.5 0.1-3.6K 150 92 2.25 0.1-3.5K 85 93 3.25 0.1-10.5K 200 95 5.0 0.1-25K 495 96 6.5 0.1-50K 625 90 11.0 0.1-91K 1080 * 2x power ratings by using heat-sink mounting clips shown on following page. Note: Due to space restrictions, parts are stamped with wattage ratings reduced to the nearest whole number. The actual wattage ratings are as published in this catalog. CharaCteriStiCS Coating Molded lead free vitreous enamel Core Ceramic Terminals Solder-coated copper clad axial. RoHS solder composition is 96% Sn, 3.5% Ag, 0.5% Cu Linearly from 100% +25C to 0% +350C Derating Tolerance 5% (other tolerances available) Power rating Based on 25C free air rating (other wattages available*) Maximum ohmic values See chart Overload Under 11 watts: 5 times rated wattage for 5 seconds. 11 watts: 10 times rated wattage for 5 seconds 1 to 9.99: 100 ppm/C 10 and over: 30 ppm/C Temperature coefficient Dielectric withstanding voltage 500 VAC: 1W rating 1000 VAC: 2, 3, 5 and 11W DimenSionS Series Wattage Length Diameter Lead gauge (in./mm max.) 91 1.5 0.452 / 11.5 0.140 / 3.6 24 1.5 in. / 38.1mm L D 92 2.25 0.405 / 10.3 0.219 / 5.6 20 93 3.25 0.577 / 14.7 0.234 / 5.9 20 95 5.0 0.968 / 24.6 0.265 / 6.7 20 96 6.5 0.952 / 24.2 0.343 / 8.7 20 90 11.0 1.811 / 46.0 0.343 / 8.7 20 (continued) 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com 89 orDering inFormation 90 Series Non-Inductive Winding RoHS Optional (blank = std. winding) Compliant Lead Free Vitreous Enamel Molded 91NJR10E Axial Term. Wirewound, 90 Series Wattage Tolerance Resistance Value Series-Lead 1= 1.5W J= 5% 1R0= 1.0 Free Vitreous 2= 2.25W 10R= 10.0 5% Tolerance Standard Enamel Molded 3= 3.25W 250 = 250 Axial Term. 5= 5W 1K0 = 1,000 Wirewound 0=11W 4K5 = 4,500 51K = 51,000 Standard part numbers for 90 series Wattage Wattage Wattage Wattage Wattage Part No. Part No. Part No. Part No. Part No. Prefix Prefix Prefix Prefix Prefix Suffix Suffix Suffix Suffix Suffix 1 1R0 22 22R 350 350 3,500 3K5 13,000 13K 1.1 1R1 24 24R 360 360 3,600 3K6 14,000 14K 1.2 1R2 25 25R 390 390 3,900 3K9 15,000 15K 1.3 1R3 27 27R 400 400 4,000 4K0 16,000 16K 1.5 1R5 30 30R 430 430 4,300 4K3 17,000 17K 1.6 1R6 33 33R 450 450 4,500 4K5 18,000 18K 1.8 1R8 35 35R 470 470 4,700 4K7 20,000 20K 2 2R0 36 36R 500 500 5,000 5K0 22,000 22K 2.2 2R2 39 39R 510 510 5,100 5K1 24,000 24K 2.4 2R4 40 40R 560 560 5,600 5K6 25,000 25K 2.7 2R7 43 43R 600 600 6,000 6K0 27,000 27K 3 3R0 47 47R 620 620 6,200 6K2 30,000 30K 3.3 3R3 50 50R 680 680 6,800 6K8 33,000 33K 3.6 3R6 51 51R 700 700 7,000 7K0 35,000 35K 3.9 3R9 56 56R 750 750 7,500 7K5 36,000 36K 4 4R0 62 62R 800 800 8,000 8K0 39,000 39K 4.3 4R3 68 68R 820 820 8,200 8K2 40,000 40K 4.7 4R7 75 75R 900 900 9,000 9K0 43,000 43K 5 5R0 82 82R 910 910 9,100 9K1 45,000 45K 5.1 5R1 91 91R 1,000 1K0 10,000 10K 47,000 47K 5.6 5R6 100 100 1,100 1K1 11,000 11K 50,000 50K 6.2 6R2 110 110 1,200 1K2 12,000 12K 51,000 51K 6.8 6R8 120 120 1,300 1K3 = Standard values 7.5 7R5 130 130 1,400 1K4 = Non-standard values subject to minimum handling 8.2 8R2 150 150 1,500 1K5 charge per item 9.1 9R1 160 160 1,600 1K6 10 10R 180 180 1,800 1K8 11 11R 200 200 2,000 2K0 Shaded values involve very fine resistance wire and 12 12R 220 220 2,200 2K2 should not be used in critical applications without burn- 13 13R 240 240 2,400 2K4 in and/or thermal cycling. 15 15R 250 250 2,500 2K5 16 16R 270 270 2,700 2K7 18 18R 300 300 3,000 3K0 20 20R 330 330 3,300 3K3 mounting Clip FeatureS Prevents severe vibration or mechanical shock to resistor Increases resistor wattage up to 100% when mounted on metal sur face (1.5 sq. in. by 0.040 in. thick min. per watt dissipated) Holes in clip base permit fastening to chassis sur face with machine screws, eyelets or rivets Sold in bags of ten (10) Standard part numbers for mounting clip Resistor Clip Clip Clip Hole Hole rating length width height No. of centers diameter Part No. (watts) (in./mm) (in./mm) (in./mm) holes (in./mm) (in./mm) = Most popular standard values 5900 1.5 0.40 / 10.319 0.150 / 3.810 0.250 / 6.350 1 0.71 / 1.803 = Standard values 5902 2.25 0.35 / 8.890 0.217 / 5.500 0.275 / 6.980 2 0.156 / 3.969 0.71 / 1.803 = Non-standard values subject to 5904 3.25 0.50 / 12.700 0.257 / 6.500 0.319 / 8.103 2 0.250 / 6.350 0.093 / 2.362 minimum handling charge per 5906 5.0 0.90 / 22.860 0.237 / 6.019 0.284 / 7.214 2 0.400 / 10.160 0.103 / 2.616 item 5908 11.0 1.75 / 44.450 0.333 / 8.458 0.377 / 9.576 2 0.800 / 20.320 0.103 / 2.616 90 1-866-9-OHMITE Intl 1-847-258-0300 Fax 1-847-574-7522 www.ohmite.com info ohmite.com Ohmic value 91J 1.5 92J 2.25 93J 3.25 95J 5 90J 11 Ohmic value 91J 1.5 92J 2.25 93J 3.25 95J 5 90J 11 Ohmic value 91J 1.5 92J 2.25 93J 3.25 95J 5 90J 11 Ohmic value 93J 3.25 95J 5 90J 11 Ohmic value 95J 5 90J 11