1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 4 ebw series manganin/nicr current sense performance data thermal shock -65c, 25c, 125c, 25c 25cycles 0.1% short time overload rated power x 5 for 5 secs. 0.2% resistance to soldering heat 350c 30 sec. or 250c 10 min. 0.2% moisture resistance 90~98%rh,+25c,+65c,-10c 10 cycles 0.2% high temperature exposure 140c for 250 hours 0.2% vibration high frequency 15g 10 to 2000hz 36 cycles 0.2% inductance <3nh load life 90 min on 30 min off for 2000 hours 1.0% the ebw series are manufactured using electron beam welding technology. this allows the joining of different alloys with great accuracy and tolerance. the ebw series have heavy copper connectors, excellent long term stability and low inductance. these components can tolerate soldering tempera - tures of 350c for 30 seconds or 250c for 10min. these can be mounted using re-flow soldering or welding on copper. the ebwa can handle a power of 5w up to 100a at 0.5m . the ebwb can handle a constant power of 7w at 0.2m and a continuous load of 180a at 0.2m . charact eristics tolerance 1(f), 2(g), 5(j) tcr 20c-150c max. 100ppm/c (ebwa) max. 120ppm/c (ebwb) operating temperature -55c to 170c a pplications ? current sensors for hybrid power sources ? frequency converters ? high current automotive applications. seri es spe cifications model power (w) resistance (m ) material tcr (20c - 150c) weight (g) ebwa-m 5 0.5 manganin 75ppm/c 0.4081 4 1 manganin 60ppm/c 0.1994 ebwa-n 4 2 nicr alloy 100ppm/c 0.2726 3 3 nicr alloy 100ppm/c 0.1832 2.5 4 nicr alloy 100ppm/c 0.1363 ebwb-m 7 0.2 manganin 100ppm/c 1.5138 6 0.5 manganin 100ppm/c 0.5652 ebwb-n 6 1 nicr alloy 120ppm/c 0.8573 4 2 nicr alloy 120ppm/c 0.4287 3.5 3 nicr alloy 120ppm/c 0.2858 derating % rated power resistor surface temp., oc 180 170 (ebwb) 65 85 (ebwa) 0 60 30 90 120 150 40 0 60 80 20 100 ce rtifications bn es iso 9001: 2008 iso/ts 16949: 2009
1-866-9-ohmite ? intl 1-847-258-0300 ? fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com 5 land pattern ebw series manganin/nicr current sense orde ring information standard part numbers EBWA-MR0005FE ebwa-mr0010fe ebwa-nr0020fe ebwa-nr0030fe ebwa-nr0040fe ebwb-mr0002fe ebwb-mr0005fe ebwb-nr0010fe ebwb-nr0020fe ebwb-nr0030fe dimensions (in. / mm) pulse energy/powe r for continuous ope ration ohm value l w thickness "t" ebwa-m 0.5m 0.413 / 10.5 0.197 / 5 0.035 / 0.88 1m 0.017 / 0.43 ebwa-n 2m 0.413 / 10.5 0.197 / 5 0.025 / 0.64 3m 0.017 / 0.43 4m 0.013 / 0.32 ebwb-m 0.2m 0.598 / 15.2 0.295 / 7.5 0.059 / 1.5 0.5m 0.022 / 0.56 ebwb-n 1m 0.598 / 15.2 0.295 / 7.5 0.035 / 0.9 2m 0.018 / 0.45 3m 0.012 / 0.3 0.220" 5.6mm 0.630" 16mm 0.344" / 8.75mm (0.244" / 6.2mm) l +.008/-0" +.2/-0mm 0.197" .008 5mm 0.2 w .012" .3mm max. 1.2mm trimming area electron beam welding t 0.020" 0.5mm pulse energy (j) power (w) time (msec.) ebwb ebwa 1 0.01 10 100 0.1 1000 10,000 0.01 0.0001 0.1 1 0.001 10 100 1,000 10,000 0.01 0.0001 0.1 1 0.001 10 100 ebwa: max. curve is only valid for the resistance value 0.5m. the min. curve is only valid for the resistance value 4m. for other resis - tance values the area in between the max. and the min. curve is valid ebwb: max. curve is only valid for the resistance value 0.2m. the min. curve is only valid for the resistance value 2m. for other resis - tance values the area in between the max. and the min. curve is valid ebwa-mr0020fet series electron beam weld size alloy m = maganin n = nicr resistance tolerance f = 1% g = 2% j = 5% tape and reel ebwa: 3000 pc/reel ebwb: 2000 pc/reel rohs compliant reel: ~12.95" (329mm) qty. per reel: ebwa: 3000pcs ebwb: 2000pcs 15.70mm .10 11.00mm .10 0.30mm .10 2.00mm .10 2.00mm .10 1.75mm .10 1.75mm .10 11.50mm .10 7.50mm .10 12.00mm .10 24.00mm .30 16.00mm .30 10 pitch cumulative tolerance on tape 0.2 4.00mm .10 10 pitch cumulative tolerance on tape 0.2 4.00mm .10 ?1.50mm +10/-0 ?1.50mm +10/-0 8.00mm .10 8.00mm .10 ebwa ebwb 5.50mm .10 2.10mm .10 2.10mm .10 tape and reel
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