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Resistors Resistors Commercial Styles Commercial Styles Semi-Precision Semi-Precision Commercial Styles Semi-Precision Power Wirewound Resistors Power Wirewound Resistors Power Wirewound Resistors Weldable and solderable leads High thermal conductivity, T / NT Wirewound Series centerless ground T / NT Wirewound Series ceramic cores 0.1 to 300K T / NT Wirewound Series for optimum heat 0.75 to 14 watts distribution and 0.1 to 300K dissipation 0.1 to 175k 0.1% to 10% tolerance 0.75 to 14 watts Silicone coat 0.75 to 14 watts Non-inductive windings available Tolerance down to 0.1% Meets or exceeds all applicable MIL-R-26 ratings 0.1% to 10% tolerance All welded Non-inductive windings available construction Non-inductive windings available Meets or exceeds all applicable MIL-R-26 ratings Meets or exceeds all applicable MIL-R-26 ratings Electrical Data Similar To Similar to Wattage Rating Resistance Range () Maximum IRC All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2) MIL-R-26 MIL-PRF-39007 Working Style All Pb-All Pb-frfreeee parts c parts comply omply with EU Dirwith EU Directivective e 2011/65/EU amended b2011/65/EU amended by y (EU) 2015/863 (R(EU) 2015/863 (RoHS3)oHS3) 1 U V Min Max K Style Style Voltage T-1/2 --- --- 0.75 --- 0.1 4 54.8 Electrical Data Electrical Data 1 T-1/2-A81 RW81 RWR81 1.0 --- 0.1 4.5 67.1 Similar to Similar to Wattage Rating Resistance Range () Maximun Similar to Power Rating IRC T-1A-70 RW70 --- T St1.0andard Range ()--- NT Non-inductiv0.1 e Range ()12 109.5 Similar to Maximum MIL-R-26 MIL-PRF-39007 Working MIL- 25C (W) Style Type MIL-R-26 Working 1 Style Style U Min Max K Voltage PRF-39007 1 T-1-80 Style RW80 RWR80 2.0 --- 0.1 12 Volt154.9age (V) U Min Max K Min Max K 1 Style T-1/2 - - 0.75 0.1 4 54.8 (N)T-1/2 - - 0.75 0R24 6K0 1R0 3K0 55 T-2A* --- --- 3.0 3.75 0.1 25 306.2 1 T-1/2-A81 RW81 RWR81 1.0 0.1 4.5 67.1 1 (N)T-1/2-A81 RW81 RWR81 1 0R2 4K0 1R0 500R 67 T-2A-69 RW69 --- --- 3.0 0.1 20 244.9 T-1A-70 RW70 - 1.0 0.1 12 109.5 (N)T-1A-70 RW70 - 1 0R1 7K5 0R1 3K8 110 T-1C - - 1 1 .05 2K 109.5 T-2B-79 RW79 RWR89 3.0 --- 0.1 40 346.4 (N)T-1C - - 1 0R1 4K2 0R1 2K1 110 1 T-1-80 RW80 RWR80 2.0 0.1 12 154.9 1 (N)T-1-80 RW80 RWR80 2 0R1 12K 1R7 6K0 155 T-3 --- --- 4.0 5.5 0.1 38 457.2 T-2A* - - 3.0 0.1 25 306.2 (N)T-2A - - 3 0R1 20K 0R1 10K 306 T-5* --- --- 5.0 6.5 0.1 45 540.8 T-2A-69 RW69 - 3.0 0.1 20 244.9 (N)T-2A-69 RW69 - 3 0R1 25K 0R1 12K5 245 1 T-2B-79 RW79 RWR89 1 3.0 0.1 40 346.4 T-5-74 RW74 RWR74 / 84 5.0 --- 0.1 94 685.5 1 (N)T-2B-79 RW79 RWR89 3 0R1 33K 0R5 12K 346 T-3 - - 4.0 0.1 38 457.2 (N)TT--36 - --- - ---4 0R16.0 38K7.5 0R30.1 15K65 698.2457 T-5* - - 5.0 0.1 45 540.8 (N)T-5 - - 5 0R1 60K 0R8 30K 541 T-6-67 RW67 --- 1 --- 6.5 0.1 92 773.3 T-5-74 RW74 RWR74 / 84 5.0 0.1 94 685.5 1 (N)T-5-74 RW74 RWR74 / 84 5 0R1 60K 0R8 30K 686 T-6 - - 6.0 0.1 65 698.2 T-7* --- --- 7.0 9.0 0.1 115 1017.3 (N)T-6 - - 6 0R1 92K 1R1 46K 698 T-6-67 RW67 - 6.5 0.1 92 773.3 (N)TT-6-67-7A-55 RW67 - 6.5 0R1 92K 1R1 46K 773 RW55 --- --- 7.0 0.1 200 1183.2 T-7* - - 7.0 0.1 115 1017.3 (N)T-7 - - 7 0R1 115K 0R1 57K5 1017 T-10A-56 RW56 --- --- 14.0 0.1 300 2049.4 T-7A-55 RW55 - 7.0 0.1 200 1183.2 (N)T-7A-55 RW55 - 7 0R1 175K 0R1 87K5 1183 T-10A-56 RW56 - 14.0 0.1 300 2049.4 T-10* --- --- 10.0 13.0 0.1 300 1974.8 (N)T-10A-56 RW56 - 14 0R1 150K 0R17 75K 2049 T-10* - - 10.0 0.1 300 1974.8 1 (N)TT-10-10-78 - RW78 - RWR7810 0R110.0 150K--- 3R00.1 51K300 19751732 1 T-10-78 RW78 RWR78 10.0 0.1 300 1732 1 (N)T-10-78 RW78 RWR78 10 0R1 150K 3R0 51K 1732 T-10-68 RW68 --- --- 11.0 0.1 300 1816.6 T-10-68 RW68 - 11.0 0.1 300 1816.6 (N)T-10-68 RW68 - 11 0R1 150K 0R1 75K 1817 * Available as radial lead = type TR. Designate non-inductive winding by adding the pre x to style. 1 The RWR is obsolete. The listed parts correspond to the commercial equivalent parts that are manufactured with the same procedures but lack the burn-in screening that is required by MIL-PRF-39007 General Note IRC reserves the right to make changes in product speci cation without notice or liability. All information is subject to IRCs own data and is considered accurate at time of going to print. A subsidiary of TT electronics plc 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 / NT Wirewound Series Issue January 2010 Sheet 1 of 4 General Note BI Technologies IRC Welwyn General Note TT Electronics reserves the right to make changes in product specification without notice or liability. BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronics.com/resistors All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronics.com/resistors TT Electronics plc TT Electronics plc 09.17 11.19CommeCommercial Stylesrcial Styles Semi-Precision Commercial Styles Semi-Precision Power Wirewound Resistors Power Wirewound Resistors Semi-Precision T / NT Wirewound Series T / NT Wirewound Series Power Wirewound Resistors General Speci cations Temperature Range Characteristic U = -55C to +275C 20 ppm/C 10 up 50 ppm/C 1.0 to 9.9 Standard Temperature Coef cient 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 Special Temperature Coef cient Temperature range for special TCs -50C to +150C Insulation Resistance 1000 megohms minimum dry at 100 volts DC Wattage rating based on operation at 25C Derating Derate to zero at 275C for style rating 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 coef cient matching and tracking to 5 ppm - 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 / NT Wirewound Series Issue January 2010 Sheet 2 of 4 General Note General Note BI TBI Technologies IRechnologies IRC WC Welwynelwyn TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttwww.ttelectronics.com/resistorselectronics.com/resistors TT Electronics plc TT Electronics plc 11.1909.17