Surface Mount Sense Resistors Surface Mount Sense Resistors OARS, OARS-XP, OARSZSense Series Surface Mount OARS, OARS-XP, OARSZ Series * * * * * * Resistors Flexible leads for thermal expansion Flexible leads for thermal expansion design reduces PCB heating Open-airOpen-air design reduces PCB heating Valuestodown ValuesO down 1m to 1m OARSZ Series A RS, OARS-XP, TCR 20ppm/C ElementElement TCR 20ppm/C Zero-ohm Flexible leads for thermal expansion Zero-ohm 65A jumper 65A version jumper version Open-air design reduces PCB heating RoHS compliant RoHS compliant Values down to 1m Element TCR 20ppm/C Zero-ohm 65A jumper version RoHS compliant Electrical Data watts Power ratingElectrical at 25C Data Power rating at 85C watts Resistance range ohms rating at 25C Resistance Power Tolerance % Power rating at 85C Standard Values milliohms Resistance (Enquire for unlisted values) range Inductance Resistance Tolerance Standard Values Ambient temperature range OARS1 watts watts 1 2 2,ohms 3, 4, 5, 10, 15, 20,R002 22, 25, 30, 40, 50 1, 2, 2.5, 5,R001 7.5, 10, 20, 25 to R050 to R025 % R002: <10 5, > R002: 1, 5 nH Cmilliohms (Enquire for unlisted values) Inductance Ambient temperature range Current rating at 25C Current rating at 85C Ambient temperature range Current rating at 25C Physical amps amps C Current rating at 85C Data temperature range Ambient -5530, to +160 2, 3, 4, 5, 10, 15, 20, 22, 25, 40, 50 nH C 65 46 OARS-1Z -55 to +160 65 amps amps C 0.38 OARS1 >R003, OARS-1Z OARS1-R003 OARS1-R002 OARS-XP OARS1-R002 * Dependent onOARS-XP ohmic value 11.56 0.38 10.7 to 12.0* * Dependent on ohmic value 11.18 3.51 0.38 0.76 1, 2, 2.5, 5, 7.5, 10, 20, 25 <10 -55 to +160 OARS-1Z Comments Zero-ohm jumper Comments Zero-ohm jumper 46 -55 to +160 DimensionsPhysical (mm) and Data recommended solder pads Type L H T Dimensions (mm) and recommended solder pads 3.05 OARS1 >R003, TypeOARS-1Z H L0.76 11.18 OARS1-R003 OARS-XP 2 4 1 2 OARS1 R002 to R050 R001OARS-XP to R025 2 R002: 5, > R002: 1, 5 4 3.05 0.76 D T 4.83 0.76 2.36 0.25 3.51 0.76 11.56 2.28 0.38 to 4.57* 10.7 to 2.28 to 12.0* 4.57* 4.7 2.36 0.76 0.25 4.83 0.76 W D 3.18 0.38 4.83 0.76 3.56 0.38 4.7 0.766.35 0.38 4.83 0.76 a nom. b nom. c nom. d nom. W 3.18 4.07 0.38 9.37 4.45 6.35 7.24 0.387.24 0.38 c 3.07 9.37 4.45 3.56 c a a nom. b nom. c nom. d nom. 4.07 9.58 3.07 3.23 3.18 9.58 b d 3.23 b d 3.18 c c a General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. (c) TT electronics plc www.bitechnologies.com www.irctt.com www.welwyn-tt.com 07.11 07.11 11. 11 Surface Mount Sense Resistors Surface Mount Sense Resistors OARS, OARS-XP, OARSZ Series OARS, OARS-XP, OARSZ Series Performance Data (AEC-Q200) OARS1 OARS-XP ppm/C R% R% R% R% R% R% R% TCR (-55 to 125C) Thermal Shock High Temp. Exposure (125C) Temp. Cycling (-40 to 125C) Operational Life Biased Humidity Mechanical Shock Vibration Terminal Strength Solvent Resistance Solderability <R004 <R002 240 0.75 1.75 1 2 0.75 1.5 1 R004 to R015 R002 to R007 40 0.75 0.5 1 1 0.5 1 1 Meets JIS-C-6429 Meets MIL-STD-002 Method 215 Meets J-STD-002 Method B Tem perature Derating Pulse Energy Rating 100 Energy (J) % of Rated Power 120 80 60 40 20 120 100 80 60 40 20 0 1 10 0 0 25 50 75 100 125 150 OARS1 Note: For OARS-1Z the above derating graph may be applied to the square of the current rating. Joint Temperature Rise Hot Spot Temperature Rise 7.6mm x 7.6mm pads, 2 oz copper on FR4, still air 50 / 25 200 30 / 15 150 10 / 5 100 5/- 50 50% 75% 100% Temperature Rise (K) Temperature Rise (K) Value in m illiohm s OARS1 / OARS-XP 0 25% OARS-XP Note: This graph relates to single pulses of short duration ( 100ms). Higher energy limits apply for longer pulses and overloads 7.6m m x 7.6m m pads, 2 oz copper on FR4, still air 250 100 Value (m illiohm s) 175 Am bient Tem perature (Deg C) 300 >R015 >R007 40 0.75 1 0.75 1 0.5 1 1 100 Value in milliohms OARS1 / OARS-XP 80 5/- 60 10 / 5 30 / 15 40 50 / 25 20 0 25% Proportion of Rated Power 50% 75% 100% Proportion of Rated Power Note: Temperature rise data are given here for typical mounting conditions. Actual figures depend on PCB copper weight, mounting pad size, track width and substrate type. Also, the open air format responds better to forced air cooling than chip format resistors. For values below 5 milliohms allowance should be made for heat generated in the copper tracks themselves. Application-specific guidance is available on request. 07.11 General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 11. 11 Surface Mount Surface Mount Sense Resistors Sense Resistors OARS,OARS-XP, OARS-XP, OARSZ Series OARS, 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 A 4.320.08 7.210.1 B 11.70.08 11.940.1 11.560.1 C D E 240.3 11.50.1 1.750.1 F 80.1 120.1 G 40.1 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) General Note TT electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT electronics' own data and is considered accurate at time of going to print. 07.11 www.bitechnologies.com www.irctt.com www.welwyn-tt.com (c) TT electronics plc 11. 11