Resistors Make Possible General Purpose Axial Leaded General Purpose Axial Leaded Power Wirewound Resistor Power Wirewound Resistor PW Axial Series Fireproof high temperature ceramic 0.10 to 30K case- stand offs optional PW Series 2 watts to 25 watts Alloy resistance 0.10 to 30K wire on fiberglass 10% or 5% tolerance substrate 2 watts to 25 watts TC s from 300 ppm/C to +5500 ppm/C Inorganic 10% or 5% tolerance fireproof Lead free, RoHS compliant construction available encapsulant TCs from 300 ppm/C to +5500 ppm/C Automatically Lead free, RoHS compliant construction available clamped termination All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2) lead assembly Electrical Data Standard Standard Temperature Power Rating Resistance Special Temperature Coefcients Coefcient Type 25C Range +0.06%/C +0.03%/C +0.55%/C +0.45%/C +0.25%/C (watts) (ohms) over R range over R range over R range over R range over R range PW-2 2 0.15 to 2.4K 0.15 to 0.99 1.0 to 2.4K 0.1 to 30 0.24 to 130 1.0 to 10 PW-3 3 0.1 to 7.5K 0.1 to 0.99 1.0 to 7.5K 0.1 to 86 0.1 to 270 0.24 to 20 PW-5 5 0.1 to 8.5K 0.1 to 0.99 1.0 to 8.5K 0.1 to 68 0.1 to 300 0.27 to 22 PW-7 7 0.1 to 18K 0.1 to 0.99 1.0 to 18K 0.1 to 150 0.15 to 680 1.0 to 51 PW-10 10 0.18 to 30K 0.18 to 0.99 1.0 to 30K 0.1 to 240 0.24 to 1100 1.0 to 82 PW-15 15 0.18 to 30K 0.18 to 0.99 1.0 to 30K 0.1 to 240 0.24 to 1100 1.0 to 82 PW-18 18 0.18 to 22K 0.18 to 0.99 1.0 to 22K 0.1 to 200 0.24 to 1100 1.0 to 70 PW-22 22 0.27 to 18K 0.27 to 1.3 1.5 to 12K 0.15 to 360 0.36 to 1800 1.0 to 120 PW-25 25 0.27 to 18K 0.27 to 1.3 1.5 to 10K 0.15 to 300 0.36 to 1200 1.5 to 100 Standard Conguration Alternate Conguration 0.125 Max. LL L W E D H F Type L 0.03 (0.8) W 0.03 (0.8) H 0.03 (0.8) D Dia. 0.002 (0.05) E 0.03 (0.8) LL min. F (ref.) (1.6) PW-2 PW-3 (1.6) PW-5 (1.6) PW-7 (3.18) PW-10 (3.18) PW-15 (3.18) PW-18 (3.18) PW-22 (3.18) PW-25 (3.18) General Note 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.ttelectronicsresistors.com TT Electronics plc 07.14GenerGeneral Purpose Axial Leadedal Purpose Axial Leaded Power Wirewound Resistor Make Possible Power Wirewound Resistor PW Axial Series Temperature Rise Chart Power Derating Curve 25 40 85 300 100 PW - 22, 25 PW - 2 PW - 15, 18 250 80 PW - 10 PW - 3, 5, 7, 10 PW - 7 200 60 PW - 5 150 PW - 3 PW - 15, 18, 22, 25 40 100 20 50 0 0 0 20 40 60 80 100 120 0 50 100 150 200 250 Percent of Rated Load Ambient Temperature Ordering Procedure Ordering Data This product has two valid part numbers: Sample Part No. PW15 1202 K LF European (Welwyn) Part Number: PW15-12KKI (PW15, 12 kilohms 10%, Pb-free) IRC Type P W 1 5 - 1 2 K K I Resistance Value (standard EIA values) 1 2 3 4 5 Tolerance J = 5%, K = 10% 1 2 3 4 5 Type Configuration Value Tolerance Packing & Termination Finish RoHS Indicator LF indicated RoHS compliance Omit for Standard J = 5% I = Standard packing & Pb-free R = ohms PW2, PW3, K = kilohms A = Alternate K = 10% Bulk pack PW5, PW7, PW10, PW15, PW18, PW22, PW25 USA (IRC) Part Number: PW151202KLF (PW15, 12 kilohms 10%, Pb-free) P W 1 5 1 2 0 2 K L F 1 2 3 4 5 1 2 3 4 5 Type Configuration Value Tolerance Packing & Termination Finish Omit for Standard 3 digits + multiplier J = 5% Omit for SnPb PW2, PW3, A = Alternate R = ohms for values K = 10% LF = Pb-free PW5, PW7, <100 ohms PW10, PW15, Bulk pack 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 PW Series Issue December 2008 Sheet 3 of 3 PW18, PW22, PW25 General Note 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.ttelectronicsresistors.com TT Electronics plc 07.14 Temperature Rise (C) Percent of Rated Load