TWM OHMITE | Alldatasheet
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1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com98 TWM/TWW Series Ceramic Housed Radial Terminal Power Series Wattage Resistance Voltage Element TWW3 3 0.01-39Ω 250 Wire TWW5 5 0.01-47Ω 350 Wire TWW10 10 0.04-990Ω 750 Wire TWM3 3 43-50KΩ 250 Metal oxide TWM5 5 51-50KΩ 350 Metal oxide TWM10 10 1000-50KΩ 750 Metal oxide Derating 100Percent Rated Watts Ambient Temperature, oC 275 100 200 25070 150 Housing Ceramic Core Fiberglass Filling Cement based Tolerance 5% standard Temperature coefficient 0.01-20Ω ±400ppm/°C; >20-10Ω ±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 -55°C to 275°C Storage Temperature 15℃-35℃, humidity: 25%-75% The TWM/TWW series radial terminal power resis- tors offer significant board space savings over axial terminal products. Generated heat is also kept away from the circuit board. They are recommended for commercial applica- tions requiring low cost. Fea TureS
- Economical Commercial Grade for general purpose use
- Wirewound and Metal Oxide construction
- Wide resistance range
- Flameproof inorganic construction SerIeS SPeCIFICa TIONS CharaCTerISTICS (continued)
1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com 99 Standard part numbers for TWM seriesStandard part numbers for TWW series Ohmic value TWM3J– 3 TWM5J– 5 TWM10J– 10 Wattage Part No. Prefix Suffix 43 ––– 43RE 47 ––– 47RE 22 –––22RE 56 –––56RE 68 –––68RE 75 –––75RE 82 –––82RE 100 –––100E 150 –––150E 200 –––200E 270 –––270E 300 –––300E 330 –––330E 390 –––390E 430 –––430E 470 –––470E 560 –––560E 680 –––680E 750 –––750E 820 –––820E Ohmic value TWW3J– 3 TWW5J– 5 TWW10J– 10 Wattage Part No. Prefix Suffix Ohmic value TWW3J– 3 TWW5J– 5 TWW10J– 10 Wattage Part No. Prefix Suffix Ohmic value TWW3J– 3 TWW5J– 5 TWW10J– 10 Wattage Part No. Prefix Suffix Ohmic value TWM3J– 3 TWM5J– 5 TWM10J– 10 Wattage Part No. Prefix Suffix Series TWM= Ceramic housed metal oxide radial TWW= Ceramic housed wirewound radial Tolerance J = 5% Resistance Value Example: R05= 0.05Ω R56= 0.56Ω 1R0= 1Ω 8R2= 8.2Ω 270 = 270Ω 1K0= 1,000Ω 8K2= 8,200Ω 10K =10,000Ω TWW3JR05E Wattage E = RoHS compliant 0.20"±.08 5mm ±2 H W 0.20" ±.04 5mm ±1 20 gauge 0.49" ±.04 12.5mm ±1 (marked surface) Height Width Series (in./mm) ±1mm 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 dIMeNSIONS hOW TO Order TWM/TWW Series Ceramic Housed Radial Terminal Power