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Datasheet File OCR Text:

Lead Free Vitreous enamel Molded axial term. Wirewound, 5% tolerance standard
1.5 in. / 38.1mm L D
90 Series
series Wattage* ohms 91 1.5 0.1-3.6K 92 2.25 0.1-3.5K 93 3.25 0.1-10.5K 95 5.0 0.1-25K 90 11.0 0.1-91K
Dimensions (in. / mm) Length Diam. Voltage Lead ga. 0.452 / 11.5 0.140 / 3.6 150 24 0.405 / 10.3 0.219 / 5.6 85 20 0.577 / 14.7 0.234 / 5.9 200 20 0.968 / 24.6 0.234 / 5.9 495 20 1.796 / 45.6 0.343 / 8.7 1080 20
* 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.
When you need the highest quality wirewound axial terminal resistors available, choose Ohmite's 90 Series resistors. They are manufactured by a unique process that molds the vitreous enamel over the resistive element, helping to ensure consistent dimensions. This uniformity permits 90 Series resistors to be mounted in clips, creating a heat-sinking benefit (see next page). The durable vitreous enamel coating, which is totally lead free, permits the 90 Series resistors to maintain a hard coating while operating at high temperatures. Mechanical integrity is enhanced by the all-welded construction.
* RoHS compliant; add "E" suffix to part number to specify.
speciFications
Material 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 Derating: Linearly from 100% @ +25C to 0% @ +350C. Electrical 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. Temperature coefficient: 1 to 9.99: 100 ppm/C 10 and over: 30 ppm/C Dielectric withstanding voltage: 500 VAC: 1W rating 1000 VAC: 2, 3, 5 and 11W
Features
* Molded Construction provides consistent shape and size (Permits mounting in clips which extends power rating). * Meets MIL-R-26 requirements for insulated resistors. * All-welded construction. * Flame resistant lead free vitreous enamel coating. * Higher ratings in smaller sizes. * Heat sink mounting clips available.
O r d e r i n g i n f O r m at i O n
Non-Inductive Winding Optional (blank = std. winding)
91NJR10E
RoHS Compliant
90 Series Series-Lead Free Vitreous Enamel Molded Axial Term. Wirewound
Tolerance Resistance Value Wattage 1R0 = 1.0 1 = 1.5W J = 5% 10R = 10.0 2 = 2.25W 250 = 250 3 = 3.25W 1K0 = 1,000 5 = 5W 4K5 = 4,500 0 = 11W 51K = 51,000
S ta n d a r d pa rt n u m b e r S f O r 9 0 S e r i e S
Wattage ohmic value ohmic value 92J--- 2.25 93J--- 3.25 91J--- 1.5 91J--- 1.5 90J--- 11 95J--- 5 part no. Prefix Suffix ---1R0 ---1R1 ---1R2 ---1R3 ---1R5 ---1R6 ---1R8 ---2R0 ---2R2 ---2R4 ---2R7 ---3R0 ---3R3 ---3R6 ---3R9 ---4R0 ---4R3 ---4R7 ---5R0 ---5R1 ---5R6 ---6R2 ---6R8 ---7R5 ---8R2 ---9R1 ---10R ---11R ---12R ---13R ---15R ---16R ---18R ---20R part no. Prefix Suffix ---22R ---24R ---25R ---27R ---30R ---33R ---35R ---36R ---39R ---40R ---43R ---47R ---50R ---51R ---56R ---62R ---68R ---75R ---82R ---91R ---100 ---110 ---120 ---130 ---150 ---160 ---180 ---200 ---220 ---240 ---250 ---270 ---300 ---330 Wattage ohmic value 92J--- 2.25 93J--- 3.25 91J--- 1.5 90J--- 11 95J--- 5 part no. Prefix Suffix ---350 ---360 ---390 ---400 ---430 ---450 ---470 ---500 ---510 ---560 ---600 ---620 ---680 ---700 ---750 ---800 ---820 ---900 ---910 ---1K0 ---1K1 ---1K2 ---1K3 ---1K4 ---1K5 ---1K6 ---1K8 ---2K0 ---2K2 ---2K4 ---2K5 ---2K7 ---3K0 ---3K3 Wattage ohmic value 92J--- 2.25 93J--- 3.25 90J--- 11 95J--- 5 part no. Prefix Suffix ---3K5 ---3K6 ---3K9 ---4K0 ---4K3 ---4K5 ---4K7 ---5K0 ---5K1 ---5K6 ---6K0 ---6K2 ---6K8 ---7K0 ---7K5 ---8K0 ---8K2 ---9K0 ---9K1 ---10K ---11K ---12K Wattage ohmic value 93J--- 3.25 90J--- 11 95J--- 5 part no. Prefix Suffix ---13K ---14K ---15K ---16K ---17K ---18K ---20K ---22K ---24K ---25K ---27K ---30K ---33K ---35K ---36K ---39K ---40K ---43K ---45K ---47K ---50K ---51K Wattage 90J--- 11 95J--- 5
1 1.1 1.2 1.3 1.5 1.6 1.8 2 2.2 2.4 2.7 3 3.3 3.6 3.9 4 4.3 4.7 5 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20

22 24 25 27 30 33 35 36 39 40 43 47 50 51 56 62 68 75 82 91 100 110 120 130 150 160 180 200 220 240 250 270 300 330

350 360 390 400 430 450 470 500 510 560 600 620 680 700 750 800 820 900 910 1,000 1,100 1,200 1,300 1,400 1,500 1,600 1,800 2,000 2,200 2,400 2,500 2,700 3,000 3,300

3,500 3,600 3,900 4,000 4,300 4,500 4,700 5,000 5,100 5,600 6,000 6,200 6,800 7,000 7,500 8,000 8,200 9,000 9,100 10,000 11,000 12,000

13,000 14,000 15,000 16,000 17,000 18,000 20,000 22,000 24,000 25,000 27,000 30,000 33,000 35,000 36,000 39,000 40,000 43,000 45,000 47,000 50,000 51,000
= Standard values = Non-standard values subject to minimum handling charge per item Shaded values involve very fine resistance wire and should not be used in critical applications without burnin and/or thermal cycling. Check product availability at www.ohmite.com
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Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com
Features
* Prevents severe vibration or mechanical shock to resistor * Increases resistor wattage up to 100% when mounted on metal surface (1.5 sq. in. by 0.040 in. thick min. per watt dissipated) * Holes in clip base permit fastening to chassis surface with machine screws, eyelets or rivets * Sold in bags of ten (10)
resistor rating (watts) 1.5 2.25 3.25 5.0 11.0 clip length (in./mm) 0.40 / 10.319 0.35 / 8.890 0.50 / 12.700 0.90 / 22.860 1.75 / 44.450 clip width (in./mm) 0.150 / 3.810 0.217 / 5.500 0.257 / 6.500 0.237 / 6.019 0.333 / 8.458 clip height (in./mm) 0.250 / 6.350 0.275 / 6.980 0.319 / 8.103 0.284 / 7.214 0.377 / 9.576 Hole centers (in./mm) 0.156 / 3.969 0.250 / 6.350 0.400 / 10.160 0.800 / 20.320
Mounting Clip
For 90 series
S ta n d a r d pa rt n u m b e r S f O r 9 0 S e r i e S m O u n t i n g c l i p
part no. 5900 5902 5904 5906 5908 no. of holes 1 2 2 2 2 Hole diameter (in./mm) 0.71 / 1.803 0.71 / 1.803 0.093 / 2.362 0.103 / 2.616 0.103 / 2.616
= Most popular standard values = Standard values = Non-standard values subject to minimum handling charge per item
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 * 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com
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