AHW Series Gold Aluminum Housed Wirewound Resistors MERITEK FEATURES • High power rating, small size and ultra precision. • Standard winding &non-inductive winding types. • High stability, strong construction. ELECTRICAL SPECIFICATION Characteristics Limits Test Methods Resistance 1Ω≤R ±5%(J) Resistance Tolerance Resistance Tolerance 1Ω≤R JIS-C-5202 5-1 ±10%(K) Temperature Coefficient ±200ppm/ °C max. JIS-C-5202 5-2b ΔR/R≤±(1%+0.05Ω) Power Rating Load JIS-C-5202 5-4 Surface Temp. Rise 350°C max. ΔR/R≤±(2%+0.05Ω) Short-Time Overload JIS-C-5202 5-5 100% Rated Power5 Seconds Insulation Resistance DC500V 100MΩ min Dielectric Withstanding Voltage AC3000V JIS-C-5202 5-6 60Sec. JIS-C-5202 5-7 DIMENSIONS AND RESISTANCE RANGE Type DIMENSIONS(mm) Resistance L1±2 L2±1 L3±1 A±1 B±1 C±1 E±0.3 S±1 H±0.5 P±2 Range AHW-5W 25 15 10 16.5 12.5 8.5 2 8 4 5 0.1Ω~50K AHW-10W 32 19 14 20 15.5 10.5 2 10 5 6 0.1Ω~50K AHW-25W 47 27 18 27 19 15 3.2 15.5 7 10 0.1Ω~100K AHW-50W 70 50 39 29 21 15 3.2 15.5 7 10 0.1Ω~100K AHW-80W 102 66 35 47 37 28 4.5 25 12 5*18 0.1Ω~100K AHW-100WS 102 66 35 47 37 28 4.5 25 12 5*18 0.1Ω~100K AHW-100W 135 89 69 70 58 46 5 44.5 19.5 6*23 0.1Ω~3K AHW-250W 155 114 98 77 64 53 5 55.5 25 6*21 0.1Ω~3K AHW-300W 155 114 98 77 64 53 5 55.5 25 6*21 0.1Ω~3K rev.6a Specifications are subject to change without notice. 1 Gold Aluminum Housed Wirewound Resistors 2 AHW Series MERITEK Gold Aluminum Housed Wirewound Resistors AHW Series MERITEK SHORT-TIME OVERLOAD RATING Load Time (Second) Power Increase (%) 1 2 3 4 5 10 30 60 180 300 600 900 2600 2000 1600 1400 1300 1000 600 450 200 150 120 110 PERFORMANCE Parameters Short time Over Load Test Conditions Specifications 5X wattage rating-5sec △R±(0.5%+0.05Ω)MAX Moisture Temp 40℃ moisture 95% DC100V Resistance 500HR Moisture Load Life Load Life Vibration △R±(0.5%+0.05Ω)MAX Temp 40℃ moisture 95% 1/10X Wattage rating (1.5Hr ON-0.5Hr △R±(0.5%+0.05Ω)MAX OFF)-Repeat 1000Hr Load Rating(chass is mounted) (1.5Hr ON 0.5Hr OFF) -Repeat 1000Hr 10c/s~50c/s~10c/s(lmin)2Hr each of paralleled and right angle Heat Resistance 275℃ 2Hr △R±(1.5%+0.05Ω)MAX △R±(0.2%+0.05Ω)MAX △R±(0.5%+0.05Ω)MAX AHW-5 AHW-10 AHW-25 1000V Dielectric Strength AHW-50 1500V △R±(0.2%+0.05Ω)MAX AHW-100 AHW-250 2500V Under the same test condition of Insulation Resistance Dielectric Strength, Load DC500v 1000M Ω min and measure the insulation R. (1) Pull Test (30 sec Min) AHW-51kg.AHW-10 Terminal Strength 2.3kg.AHW-25.AHW-50 4.5kg (2) Torque Test (5~15sec) AHW-100 27kg-cm,AHW 250 36Kg-cm 3 △R±(0.2%+0.05Ω)MAX Gold Aluminum Housed Wirewound Resistors AHW Series MERITEK SURFACE TEMPERATURE VERSUS POWER LOAD (On Chassis) PACKING AHW BOX(PCS) CARTON(PCS) 5W 400 2400 10W 300 1800 25W 150 600 50W 100 600 80W 8 48 100W 10 60 250W 6 36 300W 6 36 4