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| Commercial Styles Semi-Precision Power Wirewound Resistors T Wirewound Series * 0.1 to 300K * 0.75 to 14 watts * 0.1% to 10% tolerance * Non-inductive windings available * Meets or exceeds all applicable MIL-R-26 ratings High thermal conductivity, centerless ground ceramic cores for optimum heat distribution and dissipation Weldable and solderable leads Silicone coat All welded construction Electrical Data IRC Style T-1/2 T-1/2-A81 T-1A-70 T-1-80 T-2A* T-2A-69 T-2B-79 T-3* T-5* T-5-74 T-6 T-6-67 T-7* T-7A-55 T-10A-56 T-10* T-10-78 T-10-68 Similar To MIL-R-26 Style --RW81 RW70 RW80 --RW69 RW79 ----RW74 --RW67 --RW55 RW56 --RW78 RW68 Wattage Rating U 0.75 1.0 1.0 2.0 3.0 --3.0 4.0 5.0 5.0 6.0 --7.0 ----10.0 10.0 --V --------3.75 3.0 --5.5 6.5 --7.5 6.5 9.0 7.0 14.0 13.0 --11.0 Resistance Range () Min 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Max K 4 4.5 12 12 25 20 40 38 45 94 65 92 115 200 300 300 300 300 Maximum Working Voltage 54.8 67.1 109.5 154.9 306.2 244.9 346.4 457.2 540.8 685.5 698.2 773.3 1017.3 1183.2 2049.4 1974.8 1732 1816.6 * Available as radial lead = type TR. To designate non-inductive winding, add prefix "N" to style. General Note IRC reserves the right to make changes in product specification without notice or liability. All information is subject to IRC's own data and is considered accurate at time of going to print. Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com A subsidiary of TT electronics plc T Wirewound Series Issue December 2008 Sheet 1 of 4 Commercial Styles Semi-Precision Power Wirewound Resistors General Specifications Temperature Range Characteristic U = -55C to +275C Characteristic V = -55C to +350C 20 ppm/C 10 up 50 ppm/C 1.0 to 9.9 400 ppm/C 0.50 to 0.999 650 ppm/C 0.1 to 0.490 Available from -30 ppm/C to +6000 ppm/C Temperature range for special TC's -50C to +150C 1000 megohms minimum dry at 100 volts DC Wattage rating based on operation at 25C Derate to zero at 275C & 350C for "U" and "V" style rating Standard Temperature Coefficient Special Temperature Coefficient Insulation Resistance Derating Lead Material: Tinned copperweld is standard. Also available: Weldable Grade A nickel (bare) Special Features: - Radial lead available - Resistance network packages designed to individual customer requirements - Temperature coefficient matching and tracking to 5 ppm - High thermal conductivity core (Beryllium Oxide) available. See B Series. - Ratio tolerance matched sets available Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com T Wirewound Series Issue December 2008 Sheet 2 of 4 Commercial Styles Semi-Precision Power Wirewound Resistors Physical Data A Length B Diameter C Diameter 1 1/2" (38.1mm) Minimum Lead Length Dimensions (Inches and (mm)) IRC / Shallcross Style T-1/2 T-1/2-A81 T-1A-70 T-1-80 T-2A T-2A-69 T-2B-79 T-3 T-5 T-5-74 T-6 T-6-67 T-7 T-7A-55 T-10A-56 T-10 T-10-78 T-10-68 A Inches 0.330 (0.062) 0.250 (0.032) 0.406 (0.032) 0.406 (0.032) 0.500 (0.062) 0.500 (0.063) 0.560 (0.062) 0.625 (0.062) 0.875 (0.062) 0.875 (0.062) 1.000 (0.062) 1.000 (0.094) 1.185 (0.062) 1.375 (0.094) 2.000 (0.094) 1.812 (0.062) 1.780 (0.062) 1.875 (0.063) mm 8.4 (1.6) 6.4 (0.8) 10.3 (0.8) 10.3 (0.8) 12.7 (1.6) 12.7 (1.6) 14.2 (1.6) 15.8 (1.6) 22.2 (1.6) 22.2 (1.6) 25.4 (1.6) 25.4 (2.4) 30.0 (1.6) 35.0 (2.4) 50.8 (2.4) 46.0 (1.6) 45.2 (1.6) 47.6 (1.6) Inches 0.078 (0.031) 0.085 (0.020) 0.094 (0.032) 0.094 (0.032) 0.187 (0.031) 0.188 (0.063) 0.187 (0.031) 0.250 (0.062) 0.312 (0.062) 0.312 (0.062) 0.312 (0.062) 0.313 (0.063) 0.312 (0.062) 0.469 (0.094) 0.469 (0.094) 0.375 (0.062) 0.375 (0.062) 0.344 (0.094) B mm 2.0 (0.8) 2.2 (0.5) 2.4 (0.8) 2.4 (0.8) 4.8 (0.8) 4.8 (1.6) 4.8 (0.8) 6.3 (1.6) 7.9 (1.6) 7.9 (1.6) 8.0 (1.6) 8.0 (1.6) 8.0 (1.6) 12 (2.4) 12 (2.4) 9.5 (1.6) 9.5 (1.6) 8.7 (2.4) Inches (0.002) 0.020 0.020 0.020 0.020 0.032 0.032 0.032 0.040 0.040 0.040 0.040 0.032 0.040 0.032 0.032 0.040 0.040 0.032 C mm (0.05) 0.5 0.5 0.5 0.5 0.8 0.8 0.8 1.0 1.0 1.0 1.0 0.8 1.0 0.8 0.8 1.0 1.0 0.8 Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com T Wirewound Series Issue December 2008 Sheet 3 of 4 Commercial Styles Semi-Precision Power Wirewound Resistors Ordering Data Sample Part No. Style Resistance Value T180 1000 1% Expressed in ohms (Standard EIA/MIL values) Tolerance F = 1%, D = 0.5%, B = 0.1% Wire and Film Technologies Division * 4222 South Staples Street * Corpus Christi Texas 78411 USA Telephone: 361 992 7900 * Facsimile: 361 992 3377 * Website: www.irctt.com T Wirewound Series Issue December 2008 Sheet 4 of 4 |
Price & Availability of T1801000B
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