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 0.01-39Ω 0.01-47Ω 0.04-990Ω 43-50KΩ 51-50KΩ 1000-50KΩ 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 coeffIicient 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 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) 98 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] TWM/TWW Series Ceramic Housed Radial Terminal Power d im e nsions 0.49" ±.04 12.5mm ±1 W Series Height Width (in./mm) ±1mm TWW3 H (marked TWW5 surface) TWW10 0.20" ±.04 5mm ±1 20 gauge 0.20"±.08 5mm ±2 0.98 / 25 0.33 / 8.5 0.98 / 25 0.35 / 9 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 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 = 0.05Ω TWW= Ceramic housed 10 R56 = 0.56Ω wirewound radial 1R0 = 1Ω 8R2 = 8.2Ω 270 = 270Ω 1K0 = 1,000Ω 8K2 = 8,200Ω 10K =10,000Ω 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • [email protected] 5 TWM10J– 10 750 820 1000 1500 2000 2700 3000 3300 3900 4300 4700 5600 6800 7500 8200 10000 3 Ohmic value 5 TWM10J– 10 3 99 Part No. Prefix Suffix ––– 750E ––– 820E ––– 1K0 ––– 1K5 ––– 2K0 ––– 2K7 ––– 3K0 ––– 3K3 ––– 3K9 ––– 4K3 ––– 4K7 ––– 5K6 ––– 6K8 ––– 7K5 ––– 8K2 ––– 10K TWM5J– 43 47 56 68 75 82 100 150 200 270 300 330 390 430 470 560 680 TWM5J– TWW5J– Ohmic value 5 3 TWW10J– 10 Part No. Prefix Suffix ––– 43RE ––– 47RE ––– 56RE ––– 68RE ––– 75RE ––– 82RE ––– 100E ––– 150E ––– 200E ––– 270E ––– 300E ––– 330E ––– 390E ––– 430E ––– 470E ––– 560E ––– 680E Wattage TWM3J– 39 43 47 56 68 75 82 100 150 200 270 300 330 390 430 470 560 680 750 820 TWW3J– Ohmic value 5 TWW10J– 10 3 TWW5J– 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 TWW3J– Ohmic value 5 TWW10J– 10 TWW5J– 3 TWW3J– Part No. Prefix Suffix –––39RE –––43RE –––47RE –––56RE –––68RE –––75RE –––82RE –––100E –––150E –––200E –––270E –––300E –––330E –––390E –––430E –––470E –––560E –––680E –––750E –––820E Wattage Part No. Prefix Suffix –––1R5E –––2R0E –––2R7E –––3R0E –––3R3E –––3R9E –––4R3E –––4R7E –––5R6E –––6R8E –––7R5E –––8R2E –––10RE –––15RE –––20RE –––22RE –––27RE –––30RE –––33RE Standard part numbers for TWM series 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