Resistors Resistors Four-Terminal Current-Sensing Four-Terminal Current-Sensing Current Wirewound Resistor Current Wirewound Resistor Leads Leads 4LPW Series 4LPW Series Sense Leads Sense Leads TC = 40ppm/C TC = 40ppm/C 3 watts to 15 watts 3 watts to 15 watts 4LPW Series 0.005 ohm to 1.0 ohm All welded terminations, 0.005 ohm to 1.0 ohm All welded terminations, ceramic fireproof housing 1%, 2, 3, 5, 10% tolerance ceramic fireproof housing 1%, 2, 3, 5, 10% tolerance Flameproof construction Flameproof construction All Pb-All Pb-frfree parts cee parts comply with EU Diromply with EU Directivective 2011/65/EU (Re 2011/65/EU (RoHS2)oHS2) All All Pb-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) IRC Power 25C Max. Current Resistance Range Type (watts) (amps) (ohms) 4LPW-3 4LPW-5 4LPW-7 4LPW-10 4LPW-15 1/8 Max. 1.0 (25.4) L H Min. D W S 1.50 .062 (38.1 1.6) D Type Type 4LPW 4LPW-A Dimensions (Inches (mm)) IRC L W H S D E Type .063 (1.6) .03 (.8) .03 (.8) .062 (1.6) Diameter .03 (.8) 4LPW-3 4LPW-5 4LPW-7 4LPW-10 4LPW-15 General Note BI Technologies IRC Welwyn General Note General Note TT Electronics reserves the right to make changes in product specification without notice or liability. BI Technologies IRC Welwyn IRC reserves the right to make changes in product specication without notice or liability. TT Electronics reserves the right to make changes in product specification without notice or liability. All infAll inforormation is submation is subject to IRCject to TT Electronics own dats own data and is considered accua and is considered accurrate at time of going to print.ate at time of going to print. A subsidiary of All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronicsresistors.com www.ttelectronics.com/resistors TT electronics plc Wire and Film Technologies Division 4222 South Staples Street Corpus Christi Texas 78411 USA TT Electronics plc Telephone: 361 992 7900 Facsimile: 361 992 3377 Website: www.irctt.com 4LPW Series Issue October 2008 Sheet 1 of 2 TT Electronics plc 09.16 06.18FFourour--Terminal CurrTerminal Current-Sensingent-Sensing Four-Terminal Current-Sensing Wirewound Resistor Wirewound Resistor Wirewound Resistor 4LPW Series 4LPW Series Temperature Rise Chart Power Derating Curve 250 100 4LPW-15 4LPW-3, 5, 7, 10 4LPW-10 200 80 4LPW-7 4LPW-15 150 60 4LPW-5 100 40 4LPW-3 Max. Recommended Ambient Operating 50 20 Temperature 150C 0 0 0 20 40 60 80 100 120 0 50 100 150 200 250 Percent Rated Load Ambient Temperature (C) Ordering Data Sample Part No. 4LPW 15 R010 F LF IRC Type 4LPW Power 3 = 3W, 5 = 5W, 7 = 7W, 10 = 10W, 15 = 15W Resistance Range Expressed in ohms (Standard EIA/MIL values) Tolerance F = 1%, G = 2%, H = 3%, J = 5%, K = 10% RoHS Indicator LF indicates RoHS compliance / Omit this code for SnPb finish 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 4LPW Series Issue October 2008 Sheet 2 of 2 General Note General Note BI Technologies IRC Welwyn 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 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.ttelectronics.com/resistors www.ttelectronicsresistors.com TT Electronics plc TT Electronics plc 06.18 09.16 Hot Spot Temperature (C) Percent Rated Load