Resistors Low Value Flat Resistors Low Value Flat ...

1 Low Value Flat Chip ResistorLR Series Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copper wrap-around termination AEC-Q200 Qualified RoHS compliant and SnPb NoteTT Electronics reserves the right to make changes in product specification without notice or information is subject to TT Electronics own data and is considered accurate at time of going to print. TT Electronics Technologies IRC Welwyn Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copper wrap-around termination AEC-Q200 Qualified RoHS compliant and SnPb variantsLow Value Flat Chip ResistorLR SeriesHWDLP rotective OvercoatResistive ElementCopper TerminationSolder PlatingNickel Barrier LayerAlumina SubstrateCopper WraparoundTermination2152 / 0102 / 6021 RLLow Value FlatChip ResistorLRC/LRF Series Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copperwrap-around termination Low inductance - less than AEC-Q200 QualifiedGeneral NoteWelwyn Components reserves the right to make changes in pr oduct specification without notice or liability.

2 All information is subject to Welwyn s own data and is considered accurate at time of going to print. Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UKTelephone: +44 (0)1670 822181 Facsimile: +44 (0)1670 829465 Email: Website: DataPhysical subsidiary of TTelectronics plcWelwyn Components23LR1206LR2010LR2512* 07 ta gnitar rewoPR1 ot 300R0R1 ot 300R0R1 ot 010R0smhoegnar ecnatsiseR002002002stlovegatlov gnidnatshtiw cirtceleiD)smho woleb eulav rof yrotcaf tcatnoC( 001 C /mppRCT%ecnarelot ecnatsiseR R005 5%, >R005 1, 2, 5%090804C rewop detar ta esir erutarepmeTPad and trace ar ea for max power rating @ 70 Cmm23030100*2 Watts with total solder pad and trace size of 300 mm2 Dimensions (mm)D)xam( o`Ji oc| bK == NOLOPLMQ==NMWMT=^j == m~ = rating @70 range1ohmsR003 to 1R0 Resistance tolerance1%<R01: 5, R01: 1, 2, 5 TCRppm/ C R05: 100, R025 R047: <+200, R015-R024: <+300, R01-R014: <+500, <R01.

3 <+900 Dielectric withstandvolts200 Ambient temperature range C-55 to +150 ValuesE24 preferred2 Temperature rise at rated power C408090 Pad / trace area3mm230100300 HWDLP rotective OvercoatResistive ElementCopper TerminationSolder PlatingNickel Barrier LayerAlumina SubstrateCopper WraparoundTermination2152 / 0102 / 6021 RLLow Value FlatChip ResistorLRC/LRF Series Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copperwrap-around termination Low inductance - less than AEC-Q200 QualifiedGeneral NoteWelwyn Components reserves the right to make changes in pr oduct specification without notice or liability. All information is subject to Welwyn s own data and is considered accurate at time of going to print. Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UKTelephone: +44 (0)1670 822181 Facsimile: +44 (0)1670 829465 Email: Website: DataPhysical subsidiary of TTelectronics plcWelwyn Components23LR1206LR2010LR2512* 07 ta gnitar rewoPR1 ot 300R0R1 ot 300R0R1 ot 010R0smhoegnar ecnatsiseR002002002stlovegatlov gnidnatshtiw cirtceleiD)smho woleb eulav rof yrotcaf tcatnoC( 001 C /mppRCT%ecnarelot ecnatsiseR R005 5%, >R005 1, 2, 5%090804C rewop detar ta esir erutarepmeTPad and trace ar ea for max power rating @ 70 Cmm23030100*2 Watts with total solder pad and trace size of 300 mm2 Dimensions (mm)D)xam( o`Ji oc| bK == NOLOPLMQ==NMWMT=^j == m~ = 1: Contact factory for Value tolerance combinations outside this range.

4 Note 2: Many values = N x R001 and N x R005 up to N=10 are also available. Note 3: Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCBLow Value FlatChip ResistorLRC/LRF Series Welwyn Components LimitedBedlington, Northumberland NE22 7AA, UKTelephone: +44 (0)1670 822181 Facsimile: +44 (0)1670 829465 Email: Website: ComponentsRecommended Solder Pad Dimensions (mm) :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 Full AEC-Q200 qualification applies only to European Part Numbers at ohmic values o`Ji oc| bK == NOLOPLMQ==NMWMT=^j == m~ =OLRC 2512 1 wattLRC 2512 2 wattLRC 2010 wattLRC 2010 1 wattLRC 1206 wattLRC 1206 watt2570150 ( C)020406080100(%)Power RatingAmbient temperature Orderin g P rocedure Example.

5 LRF2512 at 10 mi lli ohms (hence flip -chip mounted) and 2% tolerance on a reel of 1800 piece s L R F 2 5 1 2 R 0 1 G W Typ e Mounting Conventional (element up) Values > R025 F Flip-ch ip (element down) Si ze Value (u se IEC62 code) Tolerance (u se IEC62 code) F 1% G 2% J 5% Packing W Tape 1206 or 2010 3000/reel Standard 2512 1800/reel T1 All sizes 1000/reel Values < R025 AEC-Q200 Table 7 MethodMax. (add R05)Typ.(@1R0)refTest3 High Temp. ExposureMIL-STD-202 Method 108R% CyclingJESD22 Method JA-104R% ResistanceMIL-STD-202 Method 106R% HumidityMIL-STD-202 Method 103R% Life (Cyclic Load)MIL-STD-202 Method 108R% Method 204R% to Soldering HeatMIL-STD-202 Method 210R% ShockMIL-STD-202 Method 107R% >95% coverage21 Board FlexAEC-Q200-005R% StrengthAEC-Q200-006R% Term x Pr for 2sR% Temperature Storage-65 C for 100 hoursR% ResistanceSolder dip at 250 C90s minimumHWDLP rotective OvercoatResistive ElementCopper TerminationSolder PlatingNickel Barrier LayerAlumina SubstrateCopper WraparoundTermination2152 / 0102 / 6021 RLLow Value FlatChip ResistorLRC/LRF Series Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copperwrap-around termination Low inductance - less than AEC-Q200 QualifiedGeneral NoteWelwyn Components reserves the right to make changes in pr oduct specification without notice or liability.

6 All information is subject to Welwyn s own data and is considered accurate at time of going to print. Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UKTelephone: +44 (0)1670 822181 Facsimile: +44 (0)1670 829465 Email: Website: DataPhysical subsidiary of TTelectronics plcWelwyn Components23LR1206LR2010LR2512* 07 ta gnitar rewoPR1 ot 300R0R1 ot 300R0R1 ot 010R0smhoegnar ecnatsiseR002002002stlovegatlov gnidnatshtiw cirtceleiD)smho woleb eulav rof yrotcaf tcatnoC( 001 C /mppRCT%ecnarelot ecnatsiseR R005 5%, >R005 1, 2, 5%090804C rewop detar ta esir erutarepmeTPad and trace ar ea for max power rating @ 70 Cmm23030100*2 Watts with total solder pad and trace size of 300 mm2 Dimensions (mm)D)xam( o`Ji oc| bK == NOLOPLMQ==NMWMT=^j == m~ = NoteTT Electronics reserves the right to make changes in product specification without notice or information is subject to TT Electronics own data and is considered accurate at time of going to print.

7 TT Electronics Pb-free parts comply with EU Directive 2011/65/EU (RoHS2) Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copper wrap-around termination AEC-Q200 Qualified RoHS compliant and SnPb variantsLow Value Flat Chip ResistorLR SeriesHWDLP rotective OvercoatResistive ElementCopper TerminationSolder PlatingNickel Barrier LayerAlumina SubstrateCopper WraparoundTermination2152 / 0102 / 6021 RLLow Value FlatChip ResistorLRC/LRF Series Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copperwrap-around termination Low inductance - less than AEC-Q200 QualifiedGeneral NoteWelwyn Components reserves the right to make changes in pr oduct specification without notice or liability. All information is subject to Welwyn s own data and is considered accurate at time of going to print.

8 Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UKTelephone: +44 (0)1670 822181 Facsimile: +44 (0)1670 829465 Email: Website: DataPhysical subsidiary of TTelectronics plcWelwyn Components23LR1206LR2010LR2512* 07 ta gnitar rewoPR1 ot 300R0R1 ot 300R0R1 ot 010R0smhoegnar ecnatsiseR002002002stlovegatlov gnidnatshtiw cirtceleiD)smho woleb eulav rof yrotcaf tcatnoC( 001 C /mppRCT%ecnarelot ecnatsiseR R005 5%, >R005 1, 2, 5%090804C rewop detar ta esir erutarepmeTPad and trace ar ea for max power rating @ 70 Cmm23030100*2 Watts with total solder pad and trace size of 300 mm2 Dimensions (mm)D)xam( o`Ji oc| bK == NOLOPLMQ==NMWMT=^j == m~ = rating @70 range1ohmsR003 to 1R0 Resistance tolerance1%<R01: 5, R01: 1, 2, 5 TCRppm/ C R05: 100, R025 R047: <+200, R015-R024: <+300, R01-R014: <+500, <R01: <+900 Dielectric withstandvolts200 Ambient temperature range C-55 to +150 ValuesE24 preferred2 Temperature rise at rated power C408090 Pad / trace area3mm230100300 HWDLP rotective OvercoatResistive ElementCopper TerminationSolder PlatingNickel Barrier LayerAlumina SubstrateCopper WraparoundTermination2152 / 0102 / 6021 RLLow Value FlatChip ResistorLRC/LRF Series Standard 2512, 2010 and 1206 sizes Resistance values down to ohms Leach resistant solder-plated copperwrap-around termination Low inductance - less than AEC-Q200 QualifiedGeneral NoteWelwyn Components reserves the right to make changes in pr oduct specification without notice or liability.

9 All information is subject to Welwyn s own data and is considered accurate at time of going to print. Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UKTelephone: +44 (0)1670 822181 Facsimile: +44 (0)1670 829465 Email: Website: DataPhysical subsidiary of TTelectronics plcWelwyn Components23LR1206LR2010LR2512* 07 ta gnitar rewoPR1 ot 300R0R1 ot 300R0R1 ot 010R0smhoegnar ecnatsiseR002002002stlovegatlov gnidnatshtiw cirtceleiD)smho woleb eulav rof yrotcaf tcatnoC( 001 C /mppRCT%ecnarelot ecnatsiseR R005 5%, >R005 1, 2, 5%090804C rewop detar ta esir erutarepmeTPad and trace ar ea for max power rating @ 70 Cmm23030100*2 Watts with total solder pad and trace size of 300 mm2 Dimensions (mm)D)xam( o`Ji oc| bK == NOLOPLMQ==NMWMT=^j == m~ = 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 available.

10 Note 3: Recommended minimum pad & adjacent trace area for each termination for rated dissipation on FR4 PCBLow Value FlatChip ResistorLRC/LRF Series Welwyn Components LimitedBedlington, Northumberland NE22 7AA, UKTelephone: +44 (0)1670 822181 Facsimile: +44 (0)1670 829465 Email: Website: ComponentsRecommended Solder Pad Dimensions (mm) :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 Full AEC-Q200 qualification applies only to European Part Numbers at ohmic values o`Ji oc| bK == NOLOPLMQ==NMWMT=^j == m~ =OLRC 2512 1 wattLRC 2512 2 wattLRC 2010 wattLRC 2010 1 wattLRC 1206 wattLRC 1206 watt2570150 ( C)020406080100(%)Power RatingAmbient temperature Orderin g P rocedure Example.