TWM/TWW Series Ceramic Housed Radial Terminal Power The TWM/TWW series radial terminal power resistors offer significant board space savings over axial terminal products. Generated heat is also kept away from the circuit board. They are recommended for commercial applications requiring low cost. F e at u r e s * Economical Commercial Grade for general purpose use * Wirewound and Metal Oxide construction * Wide resistance range * Flameproof inorganic construction S ER I E S S P E C I F I C A T I O N S Series TWW3 TWW5 TWW10 TWM3 TWM5 TWM10 Wattage 3 5 10 3 5 10 Resistance 0.01-39 0.01-47 0.04-990 43-50K 51-50K 1000-50K Voltage 250 350 750 250 350 750 Element Wire Wire Wire Metal oxide Metal oxide Metal oxide c h a r a ct e r istics Core Fiberglass Filling Cement based Tolerance 5% standard Temperature coefficient 0.01-20 400ppm/C; >20-10 350ppm/C Dielectric withstanding voltage 1,000VAC Short time overload TWW: 10x rated power for 5 sec.; TWM: 5x rated power for 5 sec. Operating Temperature -55C to 275C Derating 100 Percent Rated Watts Housing Ceramic 80 60 40 20 0 70 100 150 200 250 275 Ambient Temperature, oC Storage Temperature 15-35, humidity: 25%-75% (continued) 96 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com TWM/TWW Series Ceramic Housed Radial Terminal Power d im e nsions 0.49" .04 12.5mm 1 W Height Width (in./mm) 1mm Series H (marked surface) 0.20".04 5mm 1 20 gauge 0.20".08 5mm 2 TWW3 0.98 / 25 0.33 / 8.5 TWW5 0.98 / 25 0.35 / 9 TWW10 1.97 / 50 0.35 / 9 TWM3 0.98 / 25 0.33 / 8.5 TWM5 0.98 / 25 0.35 / 9 TWM10 1.97 / 50 0.35 / 9 5mm (10w only leads not centered; 3w & 5w leads centered) h ow to o r d e r Tolerance J = 5% E = RoHS compliant TWW3JR05E Series Wattage Resistance Value TWM = Ceramic housed 3 Example: metal oxide radial 5 R05 = 0.05 TWW= Ceramic housed 10 R56 = 0.56 wirewound radial 1R0 = 1 8R2 = 8.2 270 = 270 1K0 = 1,000 8K2 = 8,200 10K =10,000 1-866-9-OHMITE * Int'l 1-847-258-0300 * Fax 1-847-574-7522 * www.ohmite.com * info@ohmite.com 97 3 5 TWM5J- TWM10J- 10 750 820 1000 1500 2000 2700 3000 3300 3900 4300 4700 5600 6800 7500 8200 10000 Part No. Prefix Suffix --- 750E --- 820E --- 1K0 --- 1K5 --- 2K0 --- 2K7 --- 3K0 --- 3K3 --- 3K9 --- 4K3 --- 4K7 --- 5K6 --- 6K8 --- 7K5 --- 8K2 --- 10K Wattage TWM3J- Ohmic value 5 TWM10J- 10 43 47 56 68 75 82 100 150 200 270 300 330 390 430 470 560 680 Part No. Prefix Suffix --- 43RE --- 47RE --- 56RE --- 68RE --- 75RE --- 82RE --- 100E --- 150E --- 200E --- 270E --- 300E --- 330E --- 390E --- 430E --- 470E --- 560E --- 680E TWM5J- 3 5 3 TWW3J- TWW5J- Ohmic value 39 43 47 56 68 75 82 100 150 200 270 300 330 390 430 470 560 680 750 820 TWW10J- 10 Ohmic value 5 TWW10J- 10 3 TWW5J- TWW3J- Ohmic value 5 TWW10J- 10 TWW5J- 3 TWW3J- 1.5 2.0 2.7 3.0 3.3 3.9 4.3 4.7 5.6 6.8 7.5 8.2 10 15 20 22 27 30 33 Wattage Part No. Prefix Suffix ---39RE ---43RE ---47RE ---56RE ---68RE ---75RE ---82RE ---100E ---150E ---200E ---270E ---300E ---330E ---390E ---430E ---470E ---560E ---680E ---750E ---820E Standard part numbers for TWM series Part No. Prefix Suffix ---1R5E ---2R0E ---2R7E ---3R0E ---3R3E ---3R9E ---4R3E ---4R7E ---5R6E ---6R8E ---7R5E ---8R2E ---10RE ---15RE ---20RE ---22RE ---27RE ---30RE ---33RE Wattage Part No. Prefix Suffix 0.01 ---R01E 0.02 ---R02E 0.03 ---R03E 0.04 ---R04E 0.05 ---R05E 0.10 ---R10E 0.15 ---R15E 0.20 ---R20E 0.27 ---R27E 0.30 ---R30E 0.33 ---R33E 0.39 ---R39E 0.43 ---R43E 0.47 ---R47E 0.56 ---R56E 0.68 ---R68E 0.75 ---R75E 0.82 ---R82E 1.0 ---1R0E Wattage Ohmic value Wattage TWM3J- Standard part numbers for TWW series