a subsidiary of tt electronics plc general note i rc reserves the right to make changes in product speci?cation without notice or liability. all information is subject to ircs own data and is considered accurate at time of going to print. how to order: sample part no.: oar-1 0.10 5% lf irc type power (watts) resistance range (ohms) tolerance lead-free construction wirewound and film technologies division 736 greenway road ? boone, north carolina 28607-1860 ? tel: 828-264-8861 ? fax: 828-264-8866 ? www.irctt.com ? 1, 3 & 5 watts ? 1% or 5% tolerance (2% below 5 mohm) ? resistance wire tcr 20 ppm/c ? contact factory for height speci?cations, application notes and resistance values below 0.0025 ohms. ? low inductance versions available for high frequency ? lead free rohs compliant construction available applications. resistive element stand-off weld node copper leads available resistance (ohms) 0.003 ohms to 0.10 ohms 0.0025 ohms to 0.10 ohms 0.003 ohms to 0.05 ohms irc type oar-1 oar-3 oar-5 specifications: irc power rating (watts) 1w @ 85c 3w @ 85c 5w @ 85c f 0.040 0.002 (1.02mm 0.051) 0.040 0.002 (1.02mm 0.051) 0.040 0.002 (1.02mm 0.051) irc type oar-1 oar-3 oar-5 dimensions (inches and (mm)) : on lower ranges stand-off may be eliminated note: contact factory for: 1. variations of a dimension. 2. different lead diameter. a 0.450 +0.040/-0.020 (11.43 +1.020/-0.508) 0.600 +0.040/-0.020 (15.24 +1.020/0.508) 0.800 +0.040/-0.020 (20.32 +1.020/-0.508) b 0.200 0.100 (5.08mm 2.54) 0.600 typ (15.3mm max.) 0.350 typ (8.9mm max.) c 0.125 0.030 (3.18mm 0.762) 0.125 0.030 (3.18mm 0.762) 0.125 0.030 (3.18mm 0.762) e 0.065 +0.010/-0.005 (1.65mm +0.254/-0.127) 0.065 +0.010/-0.005 (1.65mm +0.254/-0.127) 0.065 +0.010/-0.005 (1.65 mm+0.254/-0.127) test point (kelvin connection) features: ? welded construction ? flameproof ? inductance less than 10 nanohenries applications: ? current sensing ? feedback ? low inductance ? surge and pulse operating characteristics: ? load life @25c (1000 hrs): 1% max. ? moisture no load (1000 hrs): 1% max. ? temperature cycle @ -40c & +125c (1000 cyc): 1% max. oar series open air sense resistors
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