LRLRCC 1206 0.5 w 1206 0.25 wattatt LRLRCC 1206 0.5 w 1206 0.25 wattatt LRC 2010 1 wLRC 2010 0.5 wattatt LRC 2010 0.5 wattLRC 2010 1 watt LRC 2512 1 wLRC 2512 2 wattatt LRC 2512 2 wLRC 2512 1 wattatt i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= N i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= N i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= N i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= N i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= N i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= N Low Value Flat Low Value Flat Resistors Resistors Resistors Low Value Flat Low Value Flat Make Possible Make Possible Welwyn Components Chip Resistor Welwyn Components Chip Resistor Welwyn Components Chip Resistor Chip Resistor Welwyn Components Low Value Flat Chip Resistor Low Value Flat Chip Resistor Low Value Flat Chip Resistor Low Value Flat Low Value Flat LRC/LRF Series LRC/LRF Series LR Series LR Series Welwyn Components Chip Resistor Welwyn Components ChipLRC/LRF SerieResistos r LRC/LRF Series Standard 2512, 2010 and 1206 sizes Standard 2512, 2010 and 1206 sizes Standard 2512, 2010 and 1206 sizes Standard 2512, 2010 and 1 Resistance206 siz valueses down to 0.003 ohms Resistance values down to 0.003 ohms LR SeriesStandard 2512, 2010 and 1206 sizes Standard 2512, 2010 and 1206 sizes Resistance values down to 0.003 ohms Resistance values down to 0.003 ohms Leach resistant solder-plated copper Leach resistant solder-plated copper LRC/LRFResistance Serie valuess down to 0.003 ohms Resistance values down to 0.003 ohms LRC/LRF Series Standard 2512, 2010 and 1206 sizes Leach resistant solder-plated copper wrap-around termination Leach resistant solderwrap-a-platredound copper termination wrap-around termination wrap-around termination Leach resistant solder-plated copper Leach resistant solder-plated copper Standard 2512, 2010 and 1206 sizes Resistance values down to 0.003 ohms Standard 2512, 2010 and 1206 sizes AEC-Q200 Qualified AEC-Q200 Qualified Low inductance - less than 0.2nH Low inductance - less than 0.2nH wrap-around termination wrap-around termination LeachResistance resistan valuest solder down-plated to copper 0.003 wr ohmsap-around termination Resistance values down to 0.003 ohms RoHS compliant and SnPb variants RoHS compliant and SnPb variants AEC-Q200 Qualified AEC-Q200 Qualified Low inductance - less than 0.2nH Low inductance - less than 0.2nH AEC-Q200 Qualified Leach resistant solder-plated copper Leach resistant solder-plated copper wrap-around termination wrap-a AEC-Q200 QualifiedRoHS croundomplian terminationt and SnPb variants AEC-Q200 Qualified Low inductance - less than 0.2nH Low inductance - less than 0.2nH All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2) AEC-Q200 Qualified AEC-Q200 Qualified All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2) AllAll Pb-Pb-frfreeee partsparts ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU2011/65/EU amended amended b yb y(EU) (EU) 2015/863 2015/863 (R (RoHS3)oHS3) Electrical Data Electrical Data LR1206 LR2010 LR2512 LR1206 LR2010 LR2512 Electrical Data Electrical Data Power rating at 70C watts 0.5 1.0 1.5/2.0* Power rating at 70C watts 0.5 1.0 1.5/2.0* LR1206 LR2010 LR2512 LR1206 LR2010 LR2512 Resistance range LR120ohms6 0R010 to 1LR201R 0 0R003 to 1RLR2512 0R003 to 1R Resistance range ohms 0R010 to 1R 0R003 to 1R 0R003 to 1R LR1206 LR2010 LR2512 Electrical Data Electrical Data Power rating 70C watts 0.5 1 2 Power rating 70C watts 0.5 1 2 Dielectric withstanding voltage volts 200 200 200 Power rating at 7D0ieClectric withstanding voltage watts vol0ts.5 200 1.0 200 1.5/2.0* 200 Power rating at 70C watts 0.5 1.0 1.5/2.0* 1 1 Resistance range ohms R003 to 1R0 Resistance range ohms R003 to 1R0 LR1206 LR2010 LR2512 LR1206 LR2010 LR2512 TCR ppm/C 100 (Contact factory for value below 0.050 ohms) TCR ppm/C 100 (Contact factory for value below 0.050 ohms) Resistance range ohms 0R010 to 1R 0R003 to 1R 0R003 to 1R Resistance range 1 ohms 0R010 to 1R 0R003 to 1R 0R003 to 1R 1 Resistance tolerance % <R01: 5, R01: 1, 2, 5 Resistance tolerance % <R01: 5, R01: 1, 2, 5 Power rating at 70C watts 0.5 1.0 1.5/2.0* Power rating at 70C watts 0.5 1.0 1.5/2.0* Resistance tolerance % R005 5%, >R005 1, 2, 5% Resistance tolerance % R005 5%, >R005 1, 2, 5% Dielectric withstanding voltage volts 200 200 200 Dielectric withstanding voltage volts 200 200 200 R05: 100, R025R047: <+200, R015-R024: <+300, R05: 100, R025R047: <+200, R015-R024: <+300, TCRResistance range ppm/C ohms 0R010 to 1R 0R003 to 1R 0R003 to 1R TCR ppm/C Resistance range ohms 0R010 to 1R 0R003 to 1R 0R003 to 1R Temperature rise at rated power C 40 80 90 R01-R014: <+500, <R01: <+900 Temperature rise at rated power C 40 80 90 TCR ppm/C R01-R014: <+500, <R01: <+900100 (Contact factory for value below 0.050 ohms) TCR ppm/C 100 (Contact factory for value below 0.050 ohms) Dielectric withstanding voltage volts 200 200 200 Dielectric withstanding voltage volts 200 2 200 200 2 Dielectric withstand Pad and trace area for max powervolts rating 70C mm 20030 30 100 Dielectric withstand volts 200 Pad and trace area for max power rating 70C mm 30 30 100 Resistance tolerance % R005 5%, >R005 1, 2, 5% Resistance tolerance % R005 5%, >R005 1, 2, 5% TCR ppm/C 100 (Contact factory for value below 0.050 ohms) TCR ppm/C 100 (Contact factory for value below 0.050 ohms) Ambient temperature range C -55 to +150 2 Ambient temperature range C 2 -55 to +150 *2 Watts with total solder pad and trace size of 300 mm Temperature rise at rated power C 40 80 90 Temperature rise at*2 ra tWedatts pow wither total solder pad and trace size ofC 300 mm 40 80 90 2 Resistance tolerance % R005 5%,2 >R005 1, 2, 5% Resistance tolerance % R005 5%, >R005 1, 2, 5% Values E24 preferred Values E24 preferred 2 2 Pad and trace area for max power rating 70C mm 30 30 100 Pad and trace area for max power rating 70C mm 30 30 100 Temperature rise at rated power C 40 80 90 TeTmemperperatuarture re riseise a at rt rataetded po powweerr C C40 40 80 80 9090 Temperature rise at rated power C 40 80 90 2 3 2 2 2 3 2 2 Pad / trPad andace ar traceea area for max power rating 70C mm mm30 30 100 30 300 100 Pad / trPad*2 andWacattse ar trace eawith area total forPhysical max solder power pad rating and Dat trace 70aC sizemm of 300 mmmm30 30 100 30 300 100 *2 Watts with totalPhysical solder pad and Dat tracea size of 300 mm 2 2 Note 1: Contact factory for value tolerance combinations outside this range. Note 2: Many values = N x R001 and N x R005 up to N=10 are also Not*2e 1: C Wonattstac t facwithtor totaly for v solderalue t olerpadanc ande c ombinatrace sizetions outside this r of 300 mmange. Note 2: Many values = N x R001 and N x R005 up to N=10 are also *2 Watts with total solder pad and trace size of 300 mm Dimensions (mm) Dimensions (mm) available. Note 3: Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCB available. Note 3: Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCB Physical DatSize a L W H (max) D Size L W H (max) D Physical Data Physical Data Physical DatLR1206a 3.200.305 1.630.20 0.8 0.480.25 LR1206 3.200.305 1.630.20 0.8 0.480.25 Dimensions (mm) Dimensions (mm) LR2010 5.230.38 2.640.25 0.84 0.480.25 LR2010 5.230.38 2.640.25 0.84 0.480.25 Dimensions (mm) Dimensions (mm) Size L W H (max) D Size L W H (max) D LR2512 6.500.38 3.250.25 0.480.25 LR2512 6.500.38 3.250.25 0.84 0.84 0.480.25 Size L W H (max) D Size L W H (max) D LR1206 3.200.305 1.630.20 0.8 0.480.25 LR1206 3.200.305 1.630.20 0.8 0.480.25 LR 1206 / 2010 / 2512 LR1206 3.200.305 1.630.20 0.8 0.480.25 LR1206 LR 1206 / 2010 / 2512 3.200.305 1.630.20 0.8 0.480.25 LR2010 5.230.38 2.640.25 0.84 0.480.25 LR2010 5.230.38 2.640.25 0.84 0.480.25 LR2010 5.230.38 2.640.25 0.84 0.480.25 LR2010 5.230.38 2.640.25 0.84 0.480.25 W W L LR2512 6.500.38 3.250.25 L 0.84 0.480.25 LR2512 6.500.38 3.250.25 0.84 0.480.25 LR2512 6.500.38 3.250.25 0.84 0.480.25 LR2512 6.500.38 3.250.25 0.84 0.480.25 LR 1206 / 2010 / 2512 LR 1206 / 2010 / 2512 LR 1206 / 2010 / 2512 H LR 1206 / 2010 / 2512 H i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= O i o J i o c b K = = NOLOPLMQ= = NMWMT= j = = m~= O W W L W L W L L D D Solder Plating Solder Plating H H H H Nickel Barrier Layer Nickel Barrier Layer Protective Overcoat Protective Overcoat Copper Wraparound Copper Wraparound Resistive Element Low Value Flat Resistive Element Low Value Flat Termination Termination D Copper Termination Copper Termination D D D Solder PlatingAlumina Substrate Solder PlatingSolder Plating Alumina Substrate Solder Plating Chip Resistor Chip Resistor Nickel Barrier Layer Nickel Barrier Layer Protective Overcoat Nickel Barrier Layer Nickel Barrier Layer Protective Overcoat Protective Overcoat Protective Overcoat Welwyn Components Copper WraparoundWelwyn Components Copper Wraparound LRC/LRF Series Resistive Element LRC/LRF Series Resistive Element Copper Wraparound Copper Wraparound Resistive Element Resistive Element Termination Termination Copper Termination Termination Copper Termination Termination Copper Termination Copper Termination Alumina Substrate Alumina Substrate Alumina Substrate Alumina Substrate Recommended Solder Pad Dimensions (mm) Recommended Solder Pad Dimensions (mm) A A A B C A B C LR1206 2.0 4.0 1.25 LR1206 2.0 4.0 1.25 B General Note B General Note LR2010 3.05 6.5 1.5 Welwyn Components reserves the right to make changes in product specification without notice or liability. LR2010 Welwyn Components reserves3.0 the5 right to make changes6. 5in product specification 1.5without notice or liability. All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of A subsidiary of All information is subject to Welwyns own data and is considered accurate at time of going to print. C C TT electronics plc TT electronics plc LR2512 3.7 7.75 1.5 LR2512 Welwyn Components3.7 Limited Bedlington,7.75 Northumberland NE221.5 7AA, UK General Note Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK General Note Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 04.10 Welwyn ComponentsT elephone:reserves the+44 right (0) 1670 to make 822181 changes Facsimile: in product +44 (0 specification) 1670 829465 without Email: notice info welwyn-tt.com or liability. Website: www.welwyn-tt.com 04.10 Welwyn Components reserves the right to make changes in product specification without notice or liability. General Note A subsidiary of GeneralAll information Note is subject to Welwyns own data and is considered accurate at time of going to print. All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of Welwyn Components reserves the right to make changes in product specification without notice or liability. TT electronics plc Welwyn Components reserves the right to make changes in product specification without notice or liability. TT electronics plc 23 23 (%) General Note GenerAll informational NotWelwyne isComponents subject to Welwyn Limiteds own data Bedlington, and is conside Northumberlandred accurate NE22at time 7AA, of going UK to print. (%) A subsidiary of General Note A subsidiary of All informationWelwyn isComponents subject to Welwyn Limiteds own data Bedlington, and is conside Northumberlandred accurate NE22at time 7AA, of going UK to print. BI Technologies IRC Welwyn AEC-Q200 Table 7 04.10 TT Electronics reservTelephone:AEC-Q200 +44 (0)es the right to makT1670able 7 822181 Facsimile:e changes in product specific +44 (0) 1670 829465ation without notice or liability. Email: info welwyn-tt.comMax. Typ. Website: 100www.welwyn-tt.com TT electronics plc Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.comMax. Typ. Website: 100www.welwyn-tt.com TT electronics04.10 plc TT Electronics reservTT Electronics reserves the right to makes the right to make changes in product specifice changes in product specification without notice or liability.ation without notice or liability. Method Method (add R05) ( 1R0) (add R05) ( 1R0) r efWelwyn ComponentsTest Limited Bedlington, Northumberland NE22 7AA, UK Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK refAll information is subTestject to TT Electronics own data and is considered accurate at time of going to print. All information is subject to TT Electronics own data and is considered accurate at time of going to print. All information is subject to TT Electronics own data and is considered accurate at time of going to print. 80 www.ttelectronicsresistors.com 23 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website:80 www.welwyn-tt.com 04.10 23 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com www.ttwww.ttelectronicsresistors.comelectronics.com/resistors04.10 3 High Temp. Exposure MIL-STD-202 Method 108 R% 0.5 0.2 3 High Temp. Exposure MIL-STD-202 Method 108 R% 0.5 0.2 4 Temperature Cycling JESD22 Method JA-104 R% 0.25 0.1 4 TT Electronics plcTemperature Cycling JESD22 Method JA-104 R% 0.25 0.1 TT Electronics plc TT Electronics plc 60 23 60 23 12.15 6 Moisture Resistance MIL-STD-202 Method 106 R% 0.5 0.2 6 Moisture Resistance MIL-STD-202 Method 106 R% 0.5 0.2 12.1509.18 40 40 7 Biased Humidity MIL-STD-202 Method 103 R% 0.5 0.2 7 Biased Humidity MIL-STD-202 Method 103 R% 0.5 0.2 8 Operational Life (Cyclic Load) MIL-STD-202 Method 108 R% 1 0.5 20 8 Operational Life (Cyclic Load) MIL-STD-202 Method 108 R% 1 0.5 20 14 Vibration MIL-STD-202 Method 204 R% 0.5 0.05 14 Vibration MIL-STD-202 Method 204 R% 0.5 0.05 0 0 70 150 (C) 25 25 70 150 (C) 15 Resistance to Soldering Heat MIL-STD-202 Method 210 R% 0.25 0.05 15 Resistance to Soldering Heat MIL-STD-202 Method 210 R% 0.25 0.05 Ambient temperature Ambient temperature 16 Thermal Shock MIL-STD-202 Method 107 R% 0.25 0.1 16 Thermal Shock MIL-STD-202 Method 107 R% 0.25 0.1 18 Solderability J-STD-002 >95% coverage 18 Solderability J-STD-002 >95% coverage 21 Board Flex AEC-Q200-005 R% 0.5 0.2 21 Board Flex AEC-Q200-005 R% 0.5 0.2 22 Terminal Strength AEC-Q200-006 R% 0.25 0.1 22 Terminal Strength AEC-Q200-006 R% 0.25 0.1 Short Term Overload 6.25 x Pr for 2s R% 0.5 Short Term Overload 6.25 x Pr for 2s R% 0.5 Low Temperature Storage -65C for 100 hours R% 0.5 Low Temperature Storage -65C for 100 hours 0.5 R% Leach Resistance Solder dip at 250C 90s minimum Leach Resistance Solder dip at 250C 90s minimum Note: Note: 1. Although 2010 and 2512 sizes have passed temperature cycling and thermal shock, it is in general not recommended that ceramic 1. Although 2010 and 2512 sizes have passed temperature cycling and thermal shock, it is in general not recommended that ceramic chips this large be used on FR4 in a severe temperature cycle environment due to the possibility of solder joint fatigue. chips this large be used on FR4 in a severe temperature cycle environment due to the possibility of solder joint fatigue. 2. Full AEC-Q200 qualification applies only to European Part Numbers at ohmic values R01. 2. Full AEC-Q200 qualification applies only to European Part Numbers at ohmic values R01. Ordering Procedure Ordering Procedure Example: LRF2512 at 10 milliohms (hence flip-chip mounted) and 2% tolerance on a reel of 1800 pieces Example: LRF2512 at 10 milliohms (hence flip-chip mounted) and 2% tolerance on a reel of 1800 pieces L R F 2 5 1 2 R 0 1 G W L R F 2 5 1 2 R 0 1 G W Type Type Mounting Mounting Conventional (element up) Values > R025 Conventional (element up) Values > R025 F Flip-chip (element down) F Flip-chip (element down) Values < R025 Values < R025 Size Size Value (use IEC62 code) Value (use IEC62 code) Tolerance (use IEC62 code) Tolerance (use IEC62 code) F 1% F 1% G 2% G 2% J 5% J 5% Packing Packing 1206 or 2010 3000/reel 1206 or 2010 3000/reel W Standard W Standard Tape 2512 1800/reel Tape 2512 1800/reel T1 All sizes 1000/reel T1 All sizes 1000/reel Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK 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 04.10 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 04.10 Power Rating Power RatingLRLR CC 1206 0.5 w 1206 0.25 w attatt LRC 2010 0.5 wattLRC 2010 1 w att LRC 2512 1 wLRC 2512 2 w attatt Recommended Solder Pad Dimensions (mm) A A B C LR1206 2.0 4.0 1.25 Low Value Flat Low Value Flat B LR2010 3.05 6.5 1.5 Chip Resistor Make Possible Chip Resistor C LR Series LR SeriesLR2512 3.7 7.75 1.5 (%) AEC-Q200 Table 7 Max. Typ. 100 Method (add R05) ( 1R0) ref Test 80 3 High Temp. Exposure MIL-STD-202 Method 108 R% 0.5 0.2 4 Temperature Cycling JESD22 Method JA-104 R% 0.25 0.1 60 6 Moisture Resistance MIL-STD-202 Method 106 0.5 0.2 R% 40 7 Biased Humidity MIL-STD-202 Method 103 R% 0.5 0.2 8 Operational Life (Cyclic Load) MIL-STD-202 Method 108 R% 1 0.5 20 14 Vibration MIL-STD-202 Method 204 R% 0.5 0.05 0 70 150 (C) 25 15 Resistance to Soldering Heat MIL-STD-202 Method 210 R% 0.25 0.05 Ambient temperature 16 Thermal Shock MIL-STD-202 Method 107 R% 0.25 0.1 18 Solderability J-STD-002 >95% coverage 21 Board Flex AEC-Q200-005 R% 0.5 0.2 22 Terminal Strength AEC-Q200-006 R% 0.25 0.1 Short Term Overload 6.25 x Pr for 2s R% 0.5 Low Temperature Storage -65C for 100 hours R% 0.5 Leach Resistance Solder dip at 250C 90s minimum Note: 1. Although 2010 and 2512 sizes have passed temperature cycling and thermal shock, it is in general not recommended that ceramic chips this large be used on FR4 in a severe temperature cycle environment due to the possibility of solder joint fatigue. 2. Full AEC-Q200 qualification applies only to European Part Numbers at ohmic values R01. Ordering Procedure Ordering Procedure Example: LRF2512 at 10 milliohms (hence flip-chip mounted) and 2% tolerance on a reel of 1800 pieces This product has two valid part numbers: L R F 2 5 1 2 R 0 1 G W European (Welwyn) Part Number: LRF1206-R02FW (1206, 20 milliohms 1%, Pb-free) Type Mounting L R F 1 2 0 6 - R 0 2 F W Conventional (element up) Values > R025 1 2 3 4 5 F Flip-chip (element down) Values < R025 Size 1 2 3 4 5 Value (use IEC62 code) Type Size Value Tolerance Termination & Packing Tolerance (use IEC62 code) 1206 F = 1% W Pb-free, standard packing LR = Conventional orientation E24 = 3/4 F 1% (values >R025) 2010 characters G = 2% T1 Pb-free, 1000/reel (non-standard) G 2% R = ohms LRF = Flip-chip orientation 2512 J = 5% PB SnPb finish, standard packing J 5% (values R025) Standard packing is tape & reel Packing 1206 & 2010 3000/reel 1206 or 2010 3000/reel 2512 1800/reel W Standard Tape 2512 1800/reel T1 All sizes 1000/reel USA (IRC) Part Number: LRC-LRF1206LF-01-R020-F (1206, 20 milliohms 1%, Pb-free) L R C - L R F 1 2 0 6 L F - 0 1 - R 0 2 0 - F Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK 1 2 3 4 5 6 7 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 04.10 1 2 3 4 5 6 7 Packing Family Model Size Termination TCR Value Tolerance LRC LR = Conventional orientation 1206 Omit for SnPb 4 characters F = 1% Standard packing is tape & reel 01 = standard (values >R025) R = ohms 2010 LF = Pb-free (100ppm/C G = 2% Pb-free All sizesPb-free 1000/reelPb-free Pb-free values R05) 2512 J = 5% 1206 & 2010 3000/reelPb-free LRF = Flip-chip orientation SnPb Pb-free (values R025) 2512 1800/reel Pb-free General Note Electrical Data General Note BI Technologies IRC Welwyn All information is subject to TT Electronics own data and is considered accurate at time of going to print. TT Electronics reserves the right to make changes in product specification without notice or liability. www.ttelectronicsresistors.com All information is subject to TT Electronics own data and is considered accurate at time of going to print. LR1206 LR2010 LR2512 www.ttelectronics.com/resistors TT Electronics plc Power ra ng 70C wa s 0.5 1 2 12.15 TT Electronics plc 1 Resistance range ohms R003 to 1R0 09.18 Power Rating