LOB3R015FLF

Low Resistance Metal Low Resistance Metal AlloyMetal Power Resistors Low Resistance Low Resistance Metal Element Resistors Element Resistors Element Resistors LOB Series Welwyn Components Welwyn Components LOB Series LOB Series LOB Series Features • Ultra lowresistance Ultra lowresistance values values Ultra low resistance values to 0.005Ω • Ultra low resistance Ω) (0.005(0.005Ω to 0.1 )to 0.1values (0.005Ω Up to Available 5W rated power to 0.1 Ω) 3 and 5 watt rated packages • Available in 1,in 3 1, and 5 watt rated packages Tolerances from ±1% towatt ±5%ratedpackages in 1, 3 and 5 • Available Tolerances rom f ±1% to ±5% from ±1% to ±5% • Tolerances Tolerances Inherently non-inductive (≤.02μH at 0.5MHz) from ±1% to ±5% • Inhe•rently non-inductive ( .02µH at 0.5MHz) Inherently non-inductive ( ≤.02µH at 0.5MHz) Low temperature coefficient of resistance Lowrently temperatu re coefficient of resistance non-inductive ( ≤.02µH at 0.5MHz) • Inhe Lowtemperatu of resistance High•stability over life re coe Hightemperatu stability rover life e coe of resistance • Low Highstabilityoverlife · · · · · · • • Highstabilityoverlife All Pb-free parts comply with EU Directive 2011/65/EU amended by (EU) 2015/863 (RoHS3) Electrical Data Electrical Electrical Data Data LOB-1 LOB-3 LOB-5 watts LOB-3 1 3 LOB-5 5 1 Power rating at 25°C Overload power for 5 seconds watts watts 3 5 15 5 25 OverloadMaximum power forworking 5 seconds voltage Resistance range Maximum storage temperature watts ohms volts Continuous power dissipation at 25°C in free air 25 √5xR R005 to R100 °C 175 175 R005, R01, R015, R02, R025, R005, R01, R015, R02, * Power Dissipation - The maximum wattage rating depends upon the amount of heat which can be transferred to the surroundings w hile not exceeding the maximum element Standard values ohms R03, R05, R06,ofR07, R08, ob jects R025, R04, R05, R06, this transfer, this must be taken temperature. Ambient air temperature, velocity of cooling air, thermal resistance of heat andR04, the temperature surrounding willR03, a into account when selecting a resistor. R10, R12 R07, R08, R10, Maximum working voltage volts Physical Data √3xR √3xR °C Operating temperature 15 √1xR R005 to175 R120 √5xR -55 to 175 -55 to 175 Note 1: To dissipate full rated power forced air cooling must be provided to restrict the maximum body temperature to 180°C. Dimensions(mm) Physical Data Type L max. Dimensions LOB-1(mm)9.9±0.3 contact point D max. f min. d nom. C 3.6±0.2 38.1±3.2 0.813±0.05 33.27 LOB-3 33.27 L 14.22±0.25D 5.33±0.25 f 34.93±3.18 d0.81±0.05 C nom LOB-5 23.37±0.25 8.38±0.25 31.75±3.18 1.02±0.05 42.42 LOB-3 14.22±0.25 5.33±0.25 34.93±3.18 0.77±0.05 33.27 d contact point Type LOB-5 23.37±0.25 8.38±0.25 31.75±3.18 1.02±0.05 Description 42.42 d D contact point C DC L contact point L f f Construction LOBΩ Series power precision metal element resistors feature LOBΩ Series resistors feature tinned copper leads welded Description Construction resistance values down to 0.005 Ω with virtually no directly to a low temperature coe resistance element in LOB Series power precision metal element resistors feature LOB Series resistors feature tinned copper leads welded inductance. Available in 1, 3 and 5 watt rated axial leaded a highly automated proprietary process. The leaded resistor resistance values down to 0.005 Ω with virtually no directly to a low temperature coe resistance element in packages, these resistors are compatible with automatic elements are then encapsulated in a moulding compound. inductance. Available in 3 and 5 watt rated axial leaded a highly automated proprietary process. The leaded resistor insertion equipment. packages, these resistors are compatible with automatic elements are then encapsulated in a moulding compound. insertion equipment. Applications • Applications Switchmode and linear power supplies. • • • current-sensing circuits. • Automotive Switchmode and linear power supplies. • Instrumentation. Automotive current-sensing circuits. Instrumentation. GeneralNote General Note Welwyn Components reserves the right to make changes in product without notice or liability. General Note General Note All information subject to Welwyn’ own data and is considered accurate of going to print. TT Electronics reserves the isright to make changess in product specification without noticeat ortime liability. BI Technologies IRC Welwyn A subsidiary of Welwyn Components reserves the right to make changes in product without notice or liability. TT electronics plc TT electronics reserves the right to make changes in product specification without notice or liabilit y. All Electronics’ is considered accurate time going print. A subsidiary of All information informationisissubject subjecttotoTTWelwyn’ s ownown datadata andand is considered accurate at at time ofof going totoprint. www.ttelectronics.com/resistors © Welwyn Components Limited · Bedlington, 7AA,to UKprint. All information is subject to TT electronics’ own data and is consideredNorthumberland accurate at timeNE22 of going TT electronics plc www.bitechnologies.com www.irctt.com www.welwyn-tt.com Issue B · 03.02 Telephone: +44 (0) 1670 822181· Facsimile: +44 (0) 1670 829465· Email: info@welwyn-tt.com· Website: www.welwyn-tt.com © Welwyn Components Limited · Bedlington, Northumberland NE22 7AA,UK © TT Electronics plc Issue B · 03.02 Telephone: +44 (0) 1670 © TT elect ronics plc 822181· Facsimile: +44 (0) 1670 829465· Email: info@welwyn-tt.com· Website: www.welwyn-tt.com 03.22 104 11. 11 LowResistance Resistance MetalAlloy Power Resistors Low Metal Low Resistance Metal Element Resistors Element Resistors Low Resistance Low Resistance MetalMetal LOB Series Series LOB LOB Series Element Resistors Element Resistors Welwyn Components Welwyn Components 100 derating percentage vs Power Free90air ambient temperature 400 Temperature coefficient of resistance vs Resistance value Temperature Coefficient Temperature Coefficient of resistance (ppm/°C) of resistance (ppm/°C) Temperature coefficient of resistance vs Resistance value Rated Power Rated Power (%) (%) LOB LOB Series Series Power derating percentage vs Free air ambient temperature 80 100 70 90 60 80 50 70 40 60 30 50 20 40 10 30 0 20 0 25 50 100 125 150 175 Ambient Temp (°C) 10 0 75 0 25 50 75 100 125 PerformanceAmbient DataTemp (°C) 150 200 300 2 0 2 0 1 0 100 D T o 0 25 0 Method Metho302 d 302 75 100 25 50 75 100 Resistance (ohms x 10-3) S - L %I ∆ M * XR h t e % M 1 Test k c o h s l a m MIL-STD r e h 202 T 7 0 1 d o MAX h t %ΔR* e % M 1 Test MIL-STD 202 MAX %∆ R* Load Lifen(1000 Method 108 4 0 2 o i hours) t a r b i V d o h ±1% t e M % 5 Load life (2000 hours) Method 108 ±1% Thermal Shock k c o h s l a c iMethod n a 107 h c3 e 1 M2 d o h ±1% t e M % 5 Thermal shock Method 107 ±1% h t g n e r tMethod s c 204 i r t 1 c 0e l3 e i d D o h± 0.5% t e M % 5 Vibration Vibration Method 204 ±0.5% 11 1 r n 213 o i2t 0a l 3 u sd n oI h± 0.5% t e 0M > Mechanical Shock e c n a t s i s eMethod Mechanical shock Method 213 ±0.5% *±0.0005 ohm allowance for test/contact error. Dielectric Method ± 0.5% Dielectricstrength strength Metho301 d 301 ±0.5% Insulation Insulationresistance resistance 50 Resistance (ohms x 10 -3 ) 0 d LOB5 100 200 175 8 LOB3 300 400 A M t i n ± %∆R ± Unit %∆R Unit %ΔR %∆R %∆R %ΔR %∆R %∆R %∆R %ΔR %∆R ohms %ΔR %∆R %ΔR %∆R . 0 ± . 0 ± . 0 ± > 1011>1011 U ohms ohms *±0.005 ohm fortest/contact test/contacterror. error. *±0.0005 ohm allowance allowance for Packaging Resistors are supplied taped and reeled. Bulk packaging available. Packaging Packaging Resistors are supplied taped and reeled. Bulk packaging Resistors areavailable. supplied taped and Ordering Procedure reeled (see Ordering Procedure for reel quantities.) The taping dimensions are Example: LOB3 at 10 milliohms and 5% tolerance on a reel of 1250 pieces shown below. Procedure Ordering LOB3– R01JI Taping dimensions, inches (mm) Example: LOB3 at 10 milliohms and 5% tolerance on a reel of 1250 pieces Type Type a max b c LOB3– R01JI LOB-3 0.031 (0.8) 2.5±0.031 (63.5±0.8) 0.4±0.015 (10.2±0.4) Value (use IEC62 code) Type LOB-5 0.031 (0.8) 2.5±0.031 (63.5±0.8) 0.4±0.015 (10.2±0.4) Tolerance (use IEC62 code) Value F 1%(use JIEC62 5%code) H 3% F 1% Note: 1% & 5% preferred Tolerance (use IEC62 code) H 3% Packing J 5% Note: 1% & 5% preferred LOB1 I Tape I Tape Packing LOB3 LOB5 LOB1 LOB3 LOB5 3500/reel 1250/reel 800/reel 3500/reel 1250/reel 800/reel Standard Standard General Note General Note TT Electronics in in product specification without notice or liability. TT electronics reserves reserves the the right righttotomake makechanges changes product specification without notice or liability. All information own data andand is considered accurate at time of going to print. All informationisissubject subjecttotoTTTTElectronics’ electronics’ own data is considered accurate at time of going to print. BI Technologies IRC Welwyn www.ttelectronics.com/resistors www.bitechnologies.com www.irctt.com www.welwyn-tt.com © Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK General Note Telephone: +44 (0) 1670 © TT TT Electronics plc 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com © electronics TT electronics reserves plc 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. Issue B · 03.02 03.22 11. 11 www.bitechnologies.com www.irctt.com www.welwyn-tt.com 105 Low Resistance Metal Alloy Power Resistors LOB Series Ordering Procedure This product has two valid part numbers: European (Welwyn) Part Number: LOB3-R01JI (LOB3, 10 milliohms ±5%, Pb-free) L O B 3 - R 1 0 1 2 1 2 Type Value J I 3 4 3 LOB3 R = ohms LOB5 4 Tolerance Packing & Termination Finish F* = ±1% I = Standard packing & Pb-free H = ±3% PB = Standard packing & SnPb Taped, 1250/reel LOB3 J* = ±5% * preferred LOB5 Taped, 800/reel USA (IRC) Part Number: LOB-3R010FLFSLT (LOB3, 10 milliohms ±5%, Pb-free) L O B - 3 R 0 1 1 2 1 2 Type Value LOB-3 R = ohms LOB-5 3 0 F 3 L F S 4 4 Omit for SnPb LF = Pb-free T 5 5 Tolerance Termination Finish F = ±1% H = ±3% J = ±5% L Packing SLT = Lead Tape LOB-3 1250/reel LOB-5 800/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. BI Technologies IRC Welwyn www.ttelectronics.com/resistors © TT Electronics plc 03.22