OARS1-R002

Surface Mount Sense Resistors OARS, OARS-XP, OARSZ Series • • • • • • Flexible leads for thermal expansion Open-air design reduces PCB heating Values down to 1mΩ Element TCR ±20ppm/ºC Zero-ohm 65A jumper version RoHS compliant Electrical Data Power rating at 25°C Power rating at 85ºC Resistance range Resistance Tolerance Standard Values watts watts ohms % milliohms nH °C amps amps °C 2 4 1 2 R002 to R050 R001 to R025 ≤ R002: 5, > R002: 1, 5 2, 3, 4, 5, 10, 15, 20, 22, 25, 30, 40, 50 R003, OARS-1Z ±0.76 11.18 OARS1-R003 OARS1-R002 OARS-XP * D ependent on ohmic value ±0.38 T D ±0.76 W ±0.38 a nom. b nom. c nom. d nom. 4.07 4.45 7.24 9.58 3.18 9.37 3.07 4.83 4.7 3.18 3.56 6.35 11.56 ±0.38 10.7 to 12.0* 3.51 ±0.76 2.28 to 4.57* 2.36 ±0.25 3.23 ±0.76 ±0.76 ±0.38 ±0.38 4.83 c a b d c Issue F .09.07 Surface Mount Sense Resistors OARS, OARS-XP, OARSZ Series Performance Data (AEC-Q200) OARS1 OARS-XP ppm/ºC R% R% R% R% R% R% R% R007 40 0.75 1 0.75 1 0.5 1 1 Te m p e r at ur e De r ating 120 % o f Rat ed Po w er 80 60 40 20 0 Am b ie n t T e m p e r atu r e (De g C) Energy ( J) 100 10 V alue ( m illiohm s ) OA RS1 OA RS- XP 100 N ote: For OAR S-1Z the above der ating gr aph may be applied to the squar e of the c urr ent r ating. N ote: This gr aph r elates to single puls es of short dur ation (≤ 100ms). Higher ener gy limits apply for longer puls es and overloads 7.6m m x 7.6m m pads , 2 oz coppe r on FR4, s till air Hot Spot Temperature R ise 7.6m m x 7.6m m pad s , 2 oz cop pe r on FR4, s t ill air V alue in m illiohm s OARS1 / OA RS-XP Joint Temperature R ise 250 200 150 100 50 0 25% 50% 75% Tem perature Rise (K) Temperature Rise (K) 300 100 80 60 40 20 0 25% 50% 75% V alue in m illio hm s OARS1 / OARS- XP 50 / 25 30 / 15 10 / 5 5/- 5/10 / 5 30 / 15 50 / 25 100% 100% P roportion of Ra te d Pow e r Proporti on of Rated Powe r N ote: T emper atur e ris e data ar e given her e f or typic al mounting c onditions. Actual figur es depend on PCB c opper weight, mounting pad size, tr ac k width and substr ate type. Als o, the open air f or mat r es ponds better to forc ed air c ooling than c hip f or mat r esistors. For values below 5 milliohms allowanc e s hould be made f or heat gener ated in the c opper tr ac ks thems elves. Applic ation-s pecific guidanc e is available on r equest. Issue F .09.07 Surface Mount Sense Resistors OARS, OARS-XP, OARSZ Series Flammability The resistor will not burn or emit incandescent particles under any condition of applied temperature or overload. Marking The parts are legend marked with ohmic value and tolerance code. Packaging Data Dimensions (mm) Type OARS1, OARS-1Z OARS-XP-R001 OARS-XP >R001 4.32±0.08 7.21±0.1 A 11.7±0.08 11.94±0.1 11.56±0.1 B C 24±0.3 D 11.5±0.1 E 1.75±0.1 8±0.1 12±0.1 F G 4±0.1 Ordering Procedure Example: OARS1 at 10 milliohms and 5% tolerance on a reel of 1900 pieces OARS1–R01JI Type OARS1 OARS-XP Value (use IEC62 code) Tolerance (use IEC62 code) F J 1% 5% Packing I Tape OARS1 OARS-XP 1900/reel 1200/reel Standard For the zero-ohm link, order OARS-1Z (Pack quantity is 1900/reel) Issue F .09.07