L4T Four Terminal High Precision Current Sense Resistor Available in two sizes ARCOLs. Four Terminal High Precision Current Sense Resistor offers High Power in a small package utilising advanced thick film technology. Applications Power Management Applications Switching Power Supply Over current Protection Portable Devices Characteristics Item Requirement Test Method TCR As Spec +25/-55/+25/+125/25C Short Time Overload (0.5%+0.0005) RCWV*2.5 or Max. Overload voltage whichever is lower for 5 seconds Insulation Resistance >1000M Apply 100Vdc for 1 minute Endurance (0.5%+0.0005) 702,RCWV for 1000hrs with 1.5 hrs ON and 0.5hrs OFF Damp Heat with Load (0.5%+0.0005) 402,90~95% R.H. RCWV for 1000 hrs with 1.5 hrs ON and 0.5 hrs OFF Bending Strength (0.5%+0.0005) Bending amplitude 3mm for 10 seconds Solderability 2455C for 3 seconds Dielectric Withstand Voltage Apply Max. Overload Voltage for 1 minute Resistance to Soldering Heat (0.5%+0.0005) 2605C for 10seconds Rapid change of temperature (0.5%+0.0005) -55C ~ 155C, 5 cycles RCWV(Rated continuous working voltage)= (P*R)or Max. Operating voltage whichever is lower. Reference Standards: MIL-STD-202, JIS-C 5201 Storage Temperature: 15 ~ 28C Humidity <80% RH Schematic Diagram - V = Voltage Terminal - I = Current Terminal ARCOL UK Limited, The information contained herein does not form part of a Threemilestone Ind. Estate, contract and is subject to change without notice. ARCOL Truro, Cornwall, TR4 9LG, UK. operate a policy of continual product development, therefore, T +44 (0) 1872 277431 specifications may change. F +44 (0) 1872 222002 It is the responsibility of the customer to ensure that the E sales arcolresistors.com component selected from our range is suitable for the intended www.arcolresistors.com application. If in doubt please ask ARCOL. Page 1 of 5 1 / 19.274LT Four Terminal High Precision Current Sense Resistor Construction 1 Alumina Substrate 4 Protection Coat 2 Resistor Layer 5 Barrier Layer 3 Electrode Dimensions(mm) Type Size (Inch) L W T a b Weight (g) (1000 pcs) L4T12 1206 3.00.2 1,60.2 0.50.15 1.00.2 0.550.2 10 PaLRSrt NuProducLRTy SpSmberingeer t ies 1510Di7505: 15.2mens10 : 1050 .5 i onsxx57.5.0 F:JG: ResT: ol 51erance 2%iF%s%t anc e Chip Sh B: BT: TPac apiulCodekTkng agi R ngeelun t Re(PPM1WD: 2E : : : TCR: Dsistor601201050 75/ 0C) B: 2.R: 3WC: 3.5WH: 4WI: D: 5WRatiPow6WD 5Wnge r R001: 10M RRRRes00002030450: 0Mi: : : s503420.5mt ancmmmm e M: N: NiMangaCr allMarkCodeM nioiynng De10rati6040208000 0 20 LRS1050ng Curve 40 Termi 60 nal T 80 empe85 100 rature C 120 ( C) 140 160 180 104020608000 0 20 LRS1575 40 TermiE: 7W nal60 65 T 80 empeC 100 rature 120 ( C) 140 160 180 LRS10LRLRLRS10LRS10LRS15LRS15LRS15LRS10LRS15STySStand1015pe50757575505050755075 ard RPoE2.53.5atin6W6W7W4W5W4W3W4WlectrwWWer g ical -55TemOSCperapecp. Ra ~ +tin17ngifg 0icaCe tions1% Resist0.0.0. ance13342221525mmmmmmmmmm% Ran ge 5% (+20(PPMTCR 60100575~ +11212101210100/ 000000 C 5)0 ) ww w.viki ng.co m.tw For de tail q uestions , cont act : s ales viking.co m.tw Ed ition : REV .A3 2 Revision: 4-Jan-2013 L4T20 2010 5.00.2 2.50.2 0.50.15 1.70.2 0.90.2 29 Standard Electrical Specifications Item Power Rating Operating Resistance Range (m) at 70C Temp Range TCR(PPM/C) 0.5% 1% 2% 5% Type L4T12 (1206) 1/2W -55 ~ + 155C 10 - 20 50 (E) 75 (F) L4T20 (2010) 3/4W -55 ~ + 155C 10 - 20 50 (E) 75 (F) Operating Voltage =(P*R) or Max operating voltage listed above, whichever is lower. Overload Voltage= 2.5(P*R) or Max overload voltage listed above, whichever is lower. ARCOL UK Limited, The information contained herein does not form part of a Threemilestone Ind. Estate, contract and is subject to change without notice. ARCOL Truro, Cornwall, TR4 9LG, UK. operate a policy of continual product development, therefore, T +44 (0) 1872 277431 specifications may change. F +44 (0) 1872 222002 It is the responsibility of the customer to ensure that the E sales arcolresistors.com component selected from our range is suitable for the intended www.arcolresistors.com application. If in doubt please ask ARCOL. Page 2 of 5 1 /19.27 Rated Power (%) Rated Power (%)