electrical data oars-1 power rating watts 1 @ 85c 2 @ 25c resistance range ohms .003, .004, .005, .010, .015, .020, .025, .030, .040, .050 *contact factory for values outside these specifications physical data dimensions (mm) type lhtdw oars-1 11.18 0.381 3.05 0.762 2.36 0.254 4.83 0.762 3.175 max surface mount sense resistors oars series c flexible leads for thermal expansion c resistance wire tcr 20 ppm/c c tolerance down to 1% c 50v continuous pulse rating/rated voltage c values down to 3m features c superior thermal expansion cycling c inductance less than 10 nanohenries c flameproof c solderable pads (60/40 solder plated) c lead flexible for thermal expansion c low termination stress (j leads) ? welwyn components limited bedlington, northumberland ne22 7aa, england tel: 01670 822181 fax: 01670 829465 web: http://www.welwyn-tt.co.uk issue a 07/9 9 general note welwyn components reserves the right to make changes in product specification without notice or liability. all information is subject to welwyns own data and is considered accurate at time of going to print. applications c current sensing c feedback c low inductance c surge and pulse c ac applications l w h d t 9.37 3.23 3.07 3.07 3.2 performance data operating characteristics maximum load life: 1000 hrs at 70c ? r% 1 moisture no load 1000 hrs ? r% 1 temperature cycle 1000 cyc at -40c and +125c ? r% 1 recommended pad dimensions (mm) 51
packaging data dimensions (mm) size abcdefg oars 4.320.08 11.70.08 24.00.30 11.50.10 1.750.10 8.00.10 4.00.1 surface mount sense resistors oars series ? welwyn components limited bedlington, northumberland ne22 7aa, england tel: 01670 822181 fax: 01670 829465 web: http://www.welwyn-tt.co.uk issue a 07/9 9 b e f d c a g oars pulse handling packaging resistors are supplied taped and reeled. 1,000 pcs per reel. 52
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