General Purpose Stand-Up General Purpose Stand-Up Resistors Power Power WWirewound Resistorirewound Resistor General Purpose Stand-Up PWR Series Fireproof high Fireproof high temperature ceramic temperature ceramic General Purpose Stand-Up Power Wirewound Resistor case with stand-off case with stand-off 3, 5, 7, and 10 watts PWR Series Power Wirewound Resistor 0.1 to 18K range PWR Series 3, 5, 7, and 10 watts Radial leads for PC mount Fireproof high temperature ceramic 3, 5, 7, and 10 watts 0.1 to 18K range TCs from 300 ppm/C to +5500 ppm/C case with stand-off Inorganic Inorganic 0.1 to 18k range PWR Series fireproof fireproof Radial leads for PC mount encapsulant encapsulant Radia l leads for PC mount NO 3, 5, 7, and 10 wT RECOMMENDED FOR NEW DESIGNSatts TCs from 300 ppm/C to +5500 ppm/C TC s from 300 ppm/C to +5500 ppm/C Alloy resistance wire on 0.1 to 18K range Alloy resistance wire on Inorganic fiberglass substrate fiberglass substrate fireproof Radial leads for PC mount encapsulant TCs from 300 ppm/C to +5500 ppm/C AllAll Pb-Pb-frfreeee partsparts ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU2011/65/EU amended amended b yb y(EU) (EU) 2015/863 2015/863 (R (RoHS3)oHS3) Alloy resistance wire on fiberglass substrate Specications - Power Rating:Specications 3, 5, 7, and 10 watts - Tolerance: 5% and 10% - Power Rating: 3, 5, 7, and 10 watts - Tolerance: 5% and 10% - Resistance Range: (refer to PWRG for tolerances less than 5% pg.129) - Resistance Range: (refer to PWRG for tolerances less than 5% pg.129) 3 watt: 0.1 to 7.5K 7 watt: 0.1 to 18K - Flameproof inorganic construction 3 watt: 0.1 to 7.5K 7 watt: 0.1 to 18K - Flameproof inorganic construction 5 watt: 0.1 to 8.5K 10 watt: 0.18 to 18K - EIA RS-344, insulated xed wirewound resistors 5 watt: 0.1 to 8.5K 10 watt: 0.18 to 18K - EIA RS-344, insulated xed wirewound resistors Physical Data Physical Data A B A B C Meniscus permitted to 0.080 bottom of feet 0.032 C LD Meniscus 0.170 E 0.062 permitted to 0.080 D bottom of feet 0.032 Dimensions (Inches and (mm)) IRC Type A B C D E LD LD 0.475 0.030 0.320 0.030 1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002 PWR-3 (12.0 0.8) (8.1 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05) 0.170 E 0.500 0.030 0.350 0.030 1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002 0.062 PWR-5 D (12.7 0.8) (8.8 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05) 0.500 0.030 0.350 0.030 1.50 0.032 0.200 0.062 0.175 0.062 0.036 0.002 PWR-7 Dimensions (Inches and (mm)) (12.7 0.8) (8.8 0.8) (38.1 0.81) (5.08 1.6) (4.44 1.6) (0.91 0.05) 0.630 0.032 0.510 0.032 1.39 0.032 0.290 0.062 0.250 0.062 0.036 0.002 PWR-10 IRC Type A B C D E LD (16.0 0.81) (13.2 0.81) (35.3 0.81) (7.4 1.6) (6.4 1.6) (0.91 0.05) General Note0.475 0.030 0.320 0.030 1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002 IRC reserves the right to make changes in product specication without notice or liability. PWR-3 All information is subject to IRCs own data and is considered accurate at time of going to print. A subsidiary of General Note(12.0 0.8) (8.1 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05) TT electronics plc Wire and Film Technologies Division 4222 South Staples Street Corpus Christi Texas 78411 USA TT electronics reserves the right to make changes in product specification without notice or liability. Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com PWR Series Issue November 2008 Sheet 1 of 2 General Note All information is subject to TT electr0.500 0.030 onics own data and is consider0.350 0.030 ed accurate at time of going to print.1.00 0.030 0.200 0.062 0.175 0.062 0.036 0.002 BI Technologies IRC Welwyn www.bitechnologies.com www.irctt.com www.welwyn-tt.com TT Electronics reserves the right to make changes in product specification without notice or liability. PWR-5 All information is subject to TT Electronics own data and is considered accurate at time of going to print. (12.7 0.8) (8.8 0.8) (25.4 0.8) (5.08 1.6) (4.44 1.6) (0.91 0.05) TT electronics plc www.ttelectronics.com/resistors 2.14 TT Electronics plc 0.500 0.030 0.350 0.030 1.50 0.032 0.200 0.062 0.175 0.062 0.036 0.002 PWR-7 06.18 (12.7 0.8) (8.8 0.8) (38.1 0.81) (5.08 1.6) (4.44 1.6) (0.91 0.05) 0.630 0.032 0.510 0.032 1.39 0.032 0.290 0.062 0.250 0.062 0.036 0.002 PWR-10 (16.0 0.81) (13.2 0.81) (35.3 0.81) (7.4 1.6) (6.4 1.6) (0.91 0.05) General Note IRC reserves the right to make changes in product specication 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 PWR Series Issue November 2008 Sheet 1 of 2General Purpose Stand-Up General Purpose Stand-Up General Purpose Stand-Up Power WPower Wirireewound Resistorwound Resistor Power Wirewound Resistor PWR SeriesPWR Series Temperature Rise Chart Power Derating Curve 300 25 85 100 PWR - 3, 5 80 200 PWR - 7, 10 PWR - 7, 10 60 PWR - 3, 5 100 40 0 0 20 40 60 80 100 120 20 Rated Power (%) 0 0 50 100 150 200 250 Ambient TRated Pemperature (C)ower (%) Ordering Data Sample Part No. PWR 10 1202 K LF IRC Type PWR Power Resistance Range Tolerance J = 5%, K = 10% RoHS Indicator LF indicates RoHS compliance 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 PWR Series Issue November 2008 Sheet 2 of 2 General NoteGeneral Note BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electrAll information is subject to TT Electronics own datonics own data and is considera and is considered accured accurate at time of going to print.ate at time of going to print. www.bitechnologies.com www.irctt.com wwwwww.ttelectronics.com/resistors.welwyn-tt.com TT Electronics plc TT electronics plc 06.18 2.14 Hot Spot Temperature (C) Hot Spot Percent of Rated LoadTemperature (C)