T-2B79U49R9

T SERIES COMMERCIAL STYLES SEMI-PRECISION POWER WIREWOUND • • • • • 0.1 ohm to 300K ohms 0.75 to 14 watts ±0.1% to ± 10% tolerance ±0.1% to ± 10% tolerance Non-inductive windings available Lead-/free, ROHS Compliant Construction Available Weldable and solderable leads High thermal conductivity, centerless ground ceramic cores for optimum heat distribution and dissipation. Silicone coat All welded construction SPECIFICATIONS: Style Similar To MIL-R-26 Style --RW81 RW70 RW70 RW80 RW80 --RW69 RW79 ----RW74 --RW67 --RW55 RW56 --RW78 RW67 Wattage Rating U 0.7 1 1 1 2 2 3 --3 4 5 5 6 5 7 ----10 10 --V ------------3.7 3 --5.5 6.5 --7.5 6.5. 9 7 14 13 --11 Resistance Range (ohms) Min Ω 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 0.1 0.1 Max KΩ 4 4.5 12 12 12 12 25 20 40 38 45 94 65 92 115 200 300 300 300 300 T-1/2 T-1/2-A81 T-1A T-1A-71 T-1C 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-10-67 * To Designate Non-Inductive Winding, Add Prefix "N" to style T SERIES GENERAL SPECIFICATIONS: Temperature Range Standard Temperature Coefficient Characteristic U = -55°C to +275°C Characteristic V = -55°C to +350°C ±20 ppm/°C 10Ω up ±50 ppm/°C 1.0Ω to 9.9Ω ±400 ppm/°C 0.50Ω to 0.999Ω ±650 ppm/°C 0.1Ω to 0.490Ω Available from -30 ppm/°C to +6000 ppm/°C Temperature range for special TC's -50°C to +150°C 1000 megohms minimum dry at 100 volts DC Wattage rating based on operation at 25°C Derate to zero at 275°C & 350°C for "U" and "V" Lead Material: Tinned copperweld is standard. Special Temperature Coefficients Insulation Resistance Derating 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. WIREWOUND AND FILM TECHNOLOGIES DIVISION 736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com A subsidiary of TT electronics plc IRC/Shallcross Style T-1/2 T-1/2-A81 T-1A T-1A-70 T-1-80 T-1C 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) 0.406 (±0.032) 0.280 (±0.062) 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 (±1.6) 10.3 (±0.8) 10.3 (±0.8) 7.1 (±1.6) 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) 0.093 (±0.032) 0.094 (±0.032) 0.094 (±0.032) 0.093 (±0.031) 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) 10.3 (±1.6) 2.4 (±0.8) 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 0.020 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 0.5 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 Length A Diameter B Diameter C 1 1/2" (38.1mm) Minimum Lead Length HOW TO ORDER: Sample Part No.: Style Characteristic T-2B79 U 49R9 1% LF Resistance Value Tolerance ±0.1%, ±0.5%, ±1% Lead-Free Construction 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. WIREWOUND AND FILM TECHNOLOGIES DIVISION 736 Greenway Road • Boone, North Carolina 28607-1860 • Tel: 828-264-8861 • Fax: 828-264-8866 • www.irctt.com Issue Preliminary 1105