1 f eatures ? high power rating, small size and ultra precision. ? standard winding &non-inductive winding types. ? high stability, strong construction. e lectrical s pecification d imensions and r esistance r ange dimensions(mm) type l12 l21 l31 a1 b1 c1 e0.3 s1 h0.5 p2 resistance range ahw-5w 25 15 10 16.5 12.5 8.5 2 8 4 5 0.1 ? ~50k ahw-10w 32 19 14 20 15.5 10.5 2 10 5 6 0.1 ? ~50k ahw-25w 47 27 18 27 19 15 3.2 15.5 7 10 0.1 ? ~100k ahw-50w 70 50 39 29 21 15 3.2 15.5 7 10 0.1 ? ~100k ahw-80w 102 66 35 47 37 28 4.5 25 12 5*18 0.1 ? ~100k AHW-100Ws 102 66 35 47 37 28 4.5 25 12 5*18 0.1 ? ~100k AHW-100W 135 89 69 70 58 46 5 44.5 19.5 6*23 0.1 ? ~3k ahw-250w 155 114 98 77 64 53 5 55.5 25 6*21 0.1 ? ~3k ahw-300w 155 114 98 77 64 53 5 55.5 25 6*21 0.1 ? ~3k characteristics limits test methods resistance tolerance resistance 1 ? r 5%(j) resistance tolerance 1 ? r 10%(k) jis-c-5202 5-1 temperature coefficient 200ppm/ c max. jis-c-5202 5-2b power rating load r/r (1%+0.05 ? ) surface temp. rise 350c max. jis-c-5202 5-4 short-time overload r/r (2%+0.05 ? ) 100% rated power5 seconds jis-c-5202 5-5 insulation resistance dc500v 100m ? min jis-c-5202 5-6 dielectric withstanding voltage ac3000v 60sec. jis-c-5202 5-7 ahw series meritek gold aluminum housed wirewound resistors s pecifications are subject to change without notice. rev.6a
2 ahw series meritek gold aluminum housed wirewound resistors
3 s hort -ti me o verload r ating load time (second) 1 2 3 4 5 10 30 60 180 300 600 900 power increase (%) 2600 2000 1600 1400 1300 1000 600 450 200 150 120 110 p erformance parameters test conditions specifications short time over load 5x wattage rating-5sec r(0.5%+0.05)max moisture resistance temp 40 moisture 95% dc100v 500hr r(0.5%+0.05)max moisture load life temp 40 moisture 95% 1/10x wattage rating (1.5hr on-0.5hr off)-repeat 1000hr r(0.5%+0.05)max load life load rating(chass is mounted) (1.5hr on 0.5hr off) -repeat 1000hr r(1.5%+0.05)max vibration 10c/s~50c/s~10c/s(lmin)2hr each of paralleled and right angle r(0.2%+0.05)max heat resistance 275 2hr r(0.5%+0.05)max dielectric strength ahw-5 ahw-10 ahw-25 1000v ahw-50 1500v ahw-100 ahw-250 2500v r(0.2%+0.05)max insulation resistance under the same test condition of dielectric strength, load dc500v and measure the insulation r. 1000m min terminal strength (1) pull test (30 sec min) ahw-51kg.ahw-10 2.3kg.ahw-25.ahw-50 4.5kg (2) torque test (5~15sec) ahw-100 27kg-cm,ahw 250 36kg-cm r(0.2%+0.05)max ahw series meritek gold aluminum housed wirewound resistors
4 s urface t emperature v ersus p ower l oad (on chassis) p acking 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 ahw series meritek gold aluminum housed wirewound resistors
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