OARS-1 power rating watts 1 @ 85? 2 @ 25? resistance range ohms .003, .004, .005, .010, .015, .020, .025, .030, .040, .050 surface mount sense resistors oars series flexible leads for thermal expansion resistance wire tcr ?0 ppm/? tolerance down to 1% values down to 3m ? general note welwyn components reserves the right to make changes in product specification without notice or liability. all information is subject to welwyn s own data and is considered accurate at time of going to print. ?welwyn components limited ?bedlington, northumberland ne22 7aa, uk telephone: +44 (0) 1670 822181 ?facsimile: +44 (0) 1670 829465 ?email: info@welwyn-tt.com ?website: www.welwyn-tt.com electrical data issue e ?12.04 a subsidiary of tt electronics plc welwyn components physical data *contact factory for values outside these specifications features superior thermal expansion cycling inductance less than 10 nanohenries flameproof solderable pads (solder plated) lead flexible for thermal expansion low termination stress (??leads) applications applications current sensing feedback low inductance surge and pulse ac applications performance data 51 operating characteristics maximum load life: 1000 hrs at 70? ? r% 1 moisture no load 1000 hrs ? r% 1 temperature cycle 1000 cyc at -40? and +125? ? r% 1 l w h d t dimensions (mm) type lhtdw OARS-1 11.18 ?.381 3.05 ?.762 2.36 ?.254 4.83 ?.762 3.175 max 9.37 3.23 3.07 3.07 3.2 recommended pad dimensions (mm) oars_e.qxd 12/22/04 4:20 pm page 1
surface mount sense resistors oars series ?welwyn components limited bedlington, northumberland ne22 7aa, uk telephone: +44 (0) 1670 822181 ?facsimile: +44 (0) 1670 829465 ?email: info@welwyn-tt.com ?website: www.welwyn-tt.com issue e ?12.04 welwyn components 52 packaging data oars pulse handling b e f d c a g 0.01 0.02 0.03 0.04 0.05 resistance (ohms) 50 40 30 20 10 watt-sec packaging resistors are supplied taped and reeled. 1,900 pcs per reel. dimensions (mm) size a b c d e f g oars 4.32?.08 11.7?.08 24.0?.30 11.5?.10 1.75?.10 8.0?.10 4.0?.1 type OARS-1 r05 f resistance value (iec62 code) tolerance (iec62 code) specify type reference, value and tolerance as shown in this example of OARS-1 r05 1%: ordering procedure f1% g2% j5% oars_e.qxd 12/22/04 4:20 pm page 2
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