Resistors PulsPulsee WWithstandinithstandingg Pulse Withstanding PulsPulsee WWithstandinithstandingg High Pulse Withstanding Chip Resistors WWelwyn Componentselwyn Components CChihipp ResistoResistorrss Welwyn Components Chip Resistors WWelwyn Componentselwyn Components CChihipp ResistoResistorrss HPWC Series PPWWCC SSeeririeess PWC Series PPWWCC SSeeririeess ExcellentExcellent pulsepulse withstandwithstand performanceperformance Excellent pulse withstand performance Excellent pulse withstand performance ExcellentExcellent pulsepulse withstandwithstand performanceperformance Improved working voltage ImpImprrovedoved workingworking voltagevoltage ImpImprovedroved working working voltage voltage Improved working voltage Improved power rating ImpImprrovedoved powerpower ratingrating Improved power rating ImpImprrovedoved powerpower ratingrating Anti-sulphur version availab le StandaStandarrdd chipchip sizessizes (0805(0805 toto 2512)2512) StandaStandardr chipd chip sizes sizes (0805 (0805 to to 2512) 2512) Standard chip sizes (0805 to 2512) CustomCustom designsdesigns availableavailable Custom designs available CustomCustom designsdesigns availableavailable 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) EEllectrectriicacall DDaattaa ElEectrlectricaical Dl Dataata Electrical Data Size HPWC0805 HPWC1206 HPWC2010 HPWC2512 SizeSize PWC0603PWC0603 PWC0805PWC0805 PWC1206PWC1206 PWC2010PWC2010 PWC2512PWC2512 SizeSize PWC0603PWC0603 PWC0805PWC0805 PWC1206PWC1206 PWC2010PWC2010 PWC2512PWC2512 Size PWC0603 PWC0805 PWC1206 PWC2010 PWC2512 Power 70C W 0.25 0.33 0.5 0.75 1 1.5 2 Power 70C Power 70C WW 0.1250.125 0.250.25 0.330.33 0.50.5 0.750.75 11 1.51.5 22 0.125 0.25 0.33 0.5 0.75 1 1.5 2 Power 70C Power 70C W W 0.1250.125 0.250.25 0.330.33 0.50.5 0.750.75 11 1.51.5 22 Power 70C W RResistance rangeResistance rangeesistance range ohmsohmsohms 1R0 t1R0 to 10M1R0 to 10Mo 1M0 Resistance rangeResistance range ohmsohms 1R0 to 10M Resistance range ohms 1R0 to 10M1R0 to 10M Tolerance Tolerance %% 10R to 1M: 0.5, All values: 1, 510R to 1M: 0.5, All values: 1, 5 Tolerance % All values: 5, 10, 20 Tolerance % 10R to 1M: 0.5, All values: 1, 5 Tolerance Tolerance %% 10R to 1M: 0.5, All values: 1, 510R to 1M: 0.5, All values: 1, 5 LEVLEV VV 7575 150150 200200 400400 500500 LEV V 150 200 400 500 LEVLEV V V 75 75 150150 200200 400400 500500 LEV V 75 150 200 400 500 TCR TCR ppm/C ppm/C <10R:200 <10R:200 10R:10010R:100 TCR ppm/C <10R:200 10R:100 <10R:200 10R:100 TCR TCR ppm/C ppm/C <10R:200 <10R:200 10R:10010R:100 TCR ppm/C Operating temperatureOperating temperature C C -55 to +155-55 to +155 Operating temperature C -55 to +155 Operating temperatureOperating temperature C C -55 to +155-55 to +155 Operating temperature C -55 to +155 Thermal Impedance Thermal Impedance C/W C/W 302302 220220 160160 145145 8080 7070 5555 4040 Thermal Impedance C/W 220 160 145 80 70 55 40 Thermal Impedance C/W 302 220 160 145 80 70 55 40 Thermal Impedance Thermal Impedance C/W C/W 302302 220220 160160 145145 8080 7070 5555 4040 22 Pad / trace area * Pad / trace area * mmmm 3030 4040 5050 125125 6060 250250 100100 500500 2 2 Pad / trace area * mm 22 40 50 125 60 250 100 500 Pad / trace area * mm 30 40 50 125 60 250 100 500 Pad / trace area * Pad / trace area * mmmm 3030 4040 5050 125125 6060 250250 100100 500500 Values Values E24 or E96 preferred - other values to special orderE24 or E96 preferred - other values to special order VValues aluesValues E24 orE24 or E96 preferred - other values to special order E96 preferred - other values to special order Values E24 or E96 preferred - other values to special order E24 or E96 preferred - other values to special order See graphs full application note available on requestSee graphs full application note available on request Pulse CapabilityPulse Capability See graphs full application note available on requestSee graphs full application note available on request Pulse Capability See graphs full application note available on request PulsePulse CapabilityPulse Capability Capability See graphs *Recommended*Recommended minimumminimum padpad && adjacentadjacent tracetrace aarreaea forfor eacheach terminationtermination forfor ratedrated powerpower dissipationdissipation onon FR4FR4 PCBPCB *Recommended minimum pad & adjacent trace area for each termination for rated power dissipation on FR4 PCB *Recommended*Recommended minimumminimum padpad && adjacentadjacent tracetrace aarreaea forfor eacheach terminationtermination forfor ratedrated powerpower dissipationdissipation onon FR4FR4 PCBPCB PhysiPhysicacall DDaattaa PhysiPhysicacal Dl Dataata Physical Data Dimensions (mm) & weight (mg)Dimensions (mm) & weight (mg) Dimensions (mm) & weight (mg) Dimensions (mm) & weight (mg) Dimensions (mm) & weight (mg)Dimensions (mm) & weight (mg) CC LL WW T maxT max AA B minB min CC Wt.Wt. C C C L W T max A B min C Wt. L L W W T maxT max A A B minB min C C Wt.Wt. L W T max A B min C Wt. TT 1.60.11.60.1 0.80.10.80.1 0.550.55 0.30.150.30.15 0.60.6 0.30.150.30.15 2.22.2 06030603 AA T T T 0603 1.60.11.60.1 0.80.10.80.1 0.550.55 0.30.150.30.15 0.60.6 0.30.150.30.15 2.22.2 060306030805 1.60.12.00.15 0.80.11.250.15 0.550.6 0.30.150.30.15 0.6 0.9 0.30.150.30.1 2.2 4.7 BB 2.00.152.00.15 1.250.151.250.15 0.60.6 0.30.10.30.155 0.90.9 0.30.10.30.1 4.74.7 08050805 A AA LL WW AA B 2.00.15 1.250.15 0.6 0.30.15 0.9 0.30.1 4.7 BB 2.00.152.00.15 1.250.151.250.15 0.60.6 0.30.10.30.155 0.90.9 0.30.10.30.1 4.74.7 0805 080508051206 3.20.2 1.60.2 0.7 0.40.2 1.7 0.40.15 8.5 12061206 3.20.23.20.2 1.60.21.60.2 0.70.7 0.40.20.40.2 1.71.7 0.40.150.40.15 8.58.5 L LL W A WW AA WWrap-around terminationsrap-around terminations 12061206 3.20.2 1.60.2 0.7 0.40.2 1.7 0.40.15 8.5 1206 3.20.23.20.2 1.60.21.60.2 0.70.7 0.40.20.40.2 1.71.7 0.40.150.40.15 8.58.5 2010 5.10.3 2.50.2 0.8 0.60.3 3.0 0.60.25 36 (3 faces)(3 faces) 20102010 5.10.35.10.3 2.50.22.50.2 0.80.8 0.60.30.60.3 3.03.0 0.60.250.60.25 3636 Wrap-around terminations WWrap-around terminationsrap-around terminations (3 faces) 2010 (3 faces)(3 faces) 20102010 5.10.3 2.50.2 0.8 0.60.3 3.0 0.60.25 36 5.10.35.10.3 2.50.22.50.2 0.80.8 0.60.30.60.3 3.03.0 0.60.250.60.25 3636 251225122512 6.50.3 3.20.2 0.8 0.60.3 4.4 0.60.25 55 6.50.36.50.3 3.20.23.20.2 0.80.8 0.60.30.60.3 4.44.4 0.60.250.60.25 5555 25122512 6.50.36.50.3 3.20.23.20.2 0.80.8 0.60.30.60.3 4.44.4 0.60.250.60.25 55 55 2512 6.50.3 3.20.2 0.8 0.60.3 4.4 0.60.25 55 ConstructionConstruction MarkingMarking Construction Marking ConstructionConstruction MarkingMarking ThickThick filmfilm rresistoresistor material,material, overglazeoverglaze andand organicorganic pprrotectionotection ComponentsComponents aarree notnot marked.marked. ReelsReels aarree markedmarked withwith type,type, Thick film resistor material, overglaze and organic protection Components are not marked. Reels are marked with type, ThickThick filmfilm rresistoresistor material,material, overglazeoverglaze andand organicorganic pprrotectionotection ComponentsComponents aarree notnot marked.marked. ReelsReels aarree markedmarked withwith type,type, aarree scscrreeneen printedprinted onon aa 96%96% aluminaalumina substrate.substrate. WWrap-arap-arroundound value,value, tolerance,tolerance, datedate codecode andand quantitquantityy.. are screen printed on a 96% alumina substrate. Wrap-around value, tolerance, date code and quantity. aarree scscrreeneen printedprinted onon aa 96%96% aluminaalumina substrate.substrate. WWrap-arap-arroundound value,value, tolerance,tolerance, datedate codecode andand quantitquantityy.. terminationsterminations havehave anan electelectrroplatedoplated nickelnickel barrierbarrier andand soldersolder terminations have an electroplated nickel barrier and solder terminationsterminations havehave anan electelectrroplatedoplated nickelnickel barrierbarrier andand soldersolder coating,coating, thisthis ensuensurreses excellentexcellent leachleach rresistanceesistance pprropertiesoperties SolventSolvent ResistanceResistance coating, this ensures excellent leach resistance properties Solvent Resistance coating,coating, thisthis ensuensurreses excellentexcellent leachleach rresistanceesistance pprropertiesoperties SolventSolvent ResistanceResistance andand solderabilitsolderabilityy.. TheThe bodybody pprrotectionotection isis rresistantesistant toto allall normalnormal industrialindustrial and solderability. The body protection is resistant to all normal industrial andand solderabilitsolderabilityy.. TheThe bodybody pprrotectionotection isis rresistantesistant toto allall normalnormal industrialindustrial cleaningcleaning solventssolvents suitablesuitable forfor printedprinted cicirrcuits.cuits. Note that anti-sulphur version parts below 5R are Note that anti-sulphur version parts below 5R are cleaning solvents suitable for printed circuits. cleaningcleaning solventssolvents suitablesuitable forfor printedprinted cicirrcuits.cuits. Note that anti-sulphur version parts below 5R are produced in flip-chip format with the resistor element on Note that anti-sulphur version parts below 5R are produced in flip-chip format with the resistor element on Note that anti-sulphur version parts below 5R are produced in flip-chip format with the resistor element on produced in flip-chip format with the resistor element on the underside.the underside.produced in flip-chip format with the resistor element on the underside. the underside. the underside. GeneralGeneral NoteNote General Note BI Technologies IRC Welwyn WWelwynelwyn ComponentsComponents rreserveseserves thethe rightright toto makemake changeschanges inin pprroductoduct specificationspecification withoutwithout noticenotice oror liabilitliabilityy General Note General Note TT Electronics reservGeneral Note es the right to make changes in product specification without notice or liability. AllAll informationinformation isis subjectsubject toto WWelwynelwynss ownown datadata andand isis consideconsiderreded accurateaccurate atat timetime ofof goinggoing toto print.print. AA subsidiarysubsidiary of of Welwyn Components reserves the right to make changes in product specification without notice or liability. Welwyn Components reserves the right to make changes in product specification without notice or liability. Welwyn Components 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. TTTT electelectrronicsonics plcplc All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of All information is subject to Welwyns own data and is considered accurate at time of going to print. www.ttelectronics.com/resistorsAA subsidiarysubsidiary of of All information is subject to Welwyns own data and is considered accurate at time of going to print. WWelwynelwyn ComponentsComponents LimitedLimited Bedlington,Bedlington, NorthumberlandNorthumberland NE22NE22 7AA,7AA, UKUK TT electronics plc TTTT electelectrronicsonics plcplc TT Electronics plcTTelephone:elephone: +44+44 (0(0)) 16701670 822181822181 Facsimile:Facsimile: +44+44 (0(0)) 16701670 829465829465 Email:Email: info welwyn-tt.cominfo welwyn-tt.com WWebsite:ebsite: wwwwww.welwyn-tt.com.welwyn-tt.com 07. 0807. 08 Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK 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 07. 08 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 07. 0807. 0806.20 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 3737 37 37 37Pulse Withstanding High Pulse Withstanding Chip Resistors Chip Resistors Welwyn Components HPWC Series PWC Series Performance Data Size Maximum Typical Load at rated power: 1000 hours at 70C R% 1 0.25 Shelf life test: 12 months at room temperature R% 0.1 0.02 Derating from rated power at 70C Zero at 155C Overload: 6.25 x rated power for 2 seconds R% 1 0.1 Dr y heat: 1000 hours at 155C R% 1 0.2 Long term damp heat R% 1 0.25 Temperature rapid change R% 0.25 0.05 Resistance to solder heat R% 0.25 0.05 Anti-sulphur grade (AS) ASTM-B-809 (1000 hours, 50C, 91-93% RH) R% 0.25 0.05 EIA-977 (750 hours, 105C) R% 0.25 0.05 ASTM-B-809 (1000 hours, 50C, 91-93% RH) R% 0.25 0.05 Sulphur-resistant grade (SR) Modified ASTM-B-809 (1000 hours, 105C, 85% RH) R% 1 0.25 Pulse Performance Data Voltage proof volts 500 Note: A 0.01 ohm addition to be added to the performance of all resistors <10 ohms. Pulse Performance Data Lightning Surge HPWC resistors are tested in accordance with IEC 60 115-1 using both 1.2/50s and 10/700s pulse shapes. The limit of accep tance is a shift in resistance of less than 1% from the initial value. Lightning Surge Lightning surge resistors are tested in accordance with IEC 60 115-1 using both 1.2/50s and 10/700s pulse shapes. 10 pulses are applied. The limit of acceptance is a shift in resistance of less than 1% from the initial value. General Note BI Technologies IRC Welwyn 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.ttelectronics.com/resistors Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK TT Electronics plcTelephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 07. 08 06.20