HigHighhPPoowweerr WWelwyn elwyn ComponentsComponents ChipChip ResistorResistorss SSCC33 S Seeririeess High Power 3 3 WWatts atts in in a a 1 1 WWatt att size size package*package* Resistance range from 1R0 to 10KResistance range from 1R0 to 10K High Power Resistors Welwyn Components Chip Resistors Tolerances Tolerances to to 1%1% Welwyn Components Chip Resistors AEC-Q200 Quali edAEC-Q200 Quali ed High Power Chip Resistors * * Power Power 70C70C Rated Rated SC3 Series SC3 Series 3 Watts in a 1 Watt size package* SC3 Series Resistance range from 1R0 to 10K 3 Watts in a 1 Watt size package* 3 watts in a T1olerances watt size packto ag1%e Resistance range from 1R0 to 10K Resistance range from 1R0 to 10K AEC-Q200 Qualified Tolerances to 1% Tolerances to 1% * Power 70C Rated EElelectrctricicalal DDaattaa PPoowweerr DDeeratinratingg CurCurvvee AEC-Q200 Qualified AEC-Q200 Qualified * Power 70C Rated ChCahraarcatcetreirsitsitcic VaVlauleue 100100 Power Power dissipation dissipation 70 70 C C 3 3 wwattsatts 8080 ReRseisstisatnacnec eR aRnagnege 1R0 to 10K1R0 to 10K LELVEV 100100VV 6060 Ambient Ambient AllAll Pb-Pb-temp frfrtemp eeee partspartsrangerange ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU-55 2011/65/EU-55 to to +150C+150C amended amended b yb y(EU) (EU) 2015/863 2015/863 (R (RoHS3)oHS3) ReRseisstisatnacnec eto tloelrearnacnece 1,1 2, ,2 5, %5% 4040 Electrical Data Power Derating Curve TCRTCR 100ppm/C100ppm/C 2020 Electrical Data Power Derating Curve Characteristic Value Leach-rLeach-resistant esistant soldersolder-plated-plated TerminationTermination 100 copper copper wrap-arwrap-aroundound Power dissipation 70 C 3 watts 00 Characteristic Value 25 25 70 70 150 150 Pad Pad & & trace trace ararea ea for for maximummaximum100 80 Resistance Range 1R0 to 10K 2 2 300mm300mm T T emperature in emperature in CC Power dissipation 70 C 3 watts power power ratingrating LEV 200V Resistance Range 80 60 1R0 to 10K Ambient temp range -55 to +150C LEV 200V Resistance tolerance 1, 2, 5% 60 40 PhysicPhysicalal DatDataa Ambient temp range -55 to +150C TCR 100ppm/C Resistance tolerance 1, 2, 5% 40 20 Leach-resistant solder-plated Termination TCR 100ppm/C ToTopp BottomBottom RecommendedRecommended copper wrap-around 20 0 (Boar(Board d Side)Side) Solder Solder Pad Pad LayoutLayout Leach-resistant solder-plated 25 70 150 Pad & trace area for maximum Termination 2 300mm copper wrap-around T emperature in 0.810.81 0.31m 0.31mC mm 0.510.51 0.13m 0.13m0 mm power rating 25 70 150 Pad & trace area for maximum 2 300mm T emperature in C power rating 2.292.29 7.6m7.6mmm PlatingPlating Physical Data 0.13m 0.13mmm wrap-aroundwrap-around 6.356.35 0.13m 0.13mmm Physical Data 2m2mmm Top Bottom Recommended (Board Side) Solder Pad Layout 1m1mmm Top Bottom Recommended 0.81 0.31mm 0.51 0.13mm 0.7620.762 (Board Side) Solder Pad Layout 0.127m 0.127mmm thicknessthickness 0.81 0.31mm 0.51 0.13mm 3.183.18 0.13m 0.13mmm 2.29 7.6mm Plating 0.13mm wrap-around 6.35 0.13mm 7.6mm 2.29 Plating 0.13mm wrap-around 2mm 6.35 0.13mm 1mm 2mm 0.762 1mm 0.127mm thickness 3.18 0.13mm 0.762 0.127mm General General NoteNote thickness 3.18 0.13mm WWelwyn elwyn Components Components reserves reserves the the right right to to make make changes changes in in prproduct oduct speci cation speci cation without without notice notice or or liabilitliability. y. All All information information is is subject subject to to WWelwynelwyns own s own data data and and is is considerconsidered ed accurate accurate at at time time of of going going to to print.print. A A subsidiary subsidiary of of TTTTelectrelectronics onics plcplc WWelwyn elwyn Components Components LimitedLimited Bedlington, Bedlington, Northumberland Northumberland NE22 NE22 7AA, 7AA, UKUK Telephone: Telephone: +44 +44 (0)(0)1670 1670 822181 822181 Facsimile: Facsimile: +44 +44 (0)(0)1670 1670 829465 829465 Email: Email: info welwyn-tt.com info welwyn-tt.com W Website: ebsite: wwwwww.welwyn-tt.com.welwyn-tt.com Issue Issue A A 03.02 03.02 04.1004.10 8484 General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of General Note TT electronics plc Welwyn Components reserves the right to make changes in product specification without notice or liability. General Note Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK BI Technologies IRC Welwyn All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com Issue A 03.02 TT Electronics reserves the right to make changes in product specification without notice or liability. 04.10 TT electronics plc All information is subject to TT Electronics own data and is considered accurate at time of going to print. Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK www.ttelectronics.com/resistors 84 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com Issue A 03.02 04.10 TT Electronics plc 84 09.18 % Of Power Rating % Of Power Rating % Of Power Rating % Of Power RatingHigh Power High Power Chip Resistors Chip Resistors SC3 Series Welwyn Components SC3 Series Chips can withstand immersion in solder at 250C for 90 Construction seconds and are suitable for reflow or wave soldering Resistive thick film material, overglaze and organic protection mounting applications. are screen printed on a 96% alumina substrate. The components are laser trimmed to achieve the required Marking resistance tolerance. The body protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuits. Terminations Chips are packed and mounted with marking side up. ThThe e wrwrap-arap-around ound termcopper inaterminations tions have anhave electan roplelectrated nicoplatedkel The SC3 Chips are mounted with the actual resistor element banickel rrier barrier and maand tte tin-lead tin nish.solder This ecoating, nsures this ensures mounted face down on its termination pads. eexcellent xcellent leleach ach rresistaesistance nce pprroperties operties aand nd solsolderabilitderabilityy.. Performance Data AEC-Q200 Table 7 Method Max.+0.01 Typ. Test ref High Temp. Exposure MIL-STD-202 Method 108 0.5 0.2 3 R% Temperature Cycling JESD22 Method JA-104 R% 0.25 0.1 4 Moisture Resistance MIL-STD-202 Method 106 R% 0.5 0.2 6 Biased Humidity MIL-STD-202 Method 103 R% 0.5 0.1 7 8 Operational Life (Cyclic Load) MIL-STD-202 Method 108 R% 1.0 0.5 14 Vibration MIL-STD-202 Method 204 R% 0.25 0.05 15 Resistance to Soldering Heat MIL-STD-202 Method 210 0.25 0.05 R% 16 Thermal Shock MIL-STD-202 Method 107 R% 0.5 0.2 18 Solderability J-STD-002 >95% coverage 21 AEC-Q200-005 R% 0.25 0.05 Board Flex 22 Terminal Strength AEC-Q200-006 R% 0.25 0.05 R% 0.5 Short Term Overload Lesser of 6.25 x Pr & 2 x LEV for 2s Low Temperature Storage -65C for 100 hours R% 0.5 Low Temperature Operation R% 0.5 -65C for 1 hour then Pr for 45 minutes Shelf Life Test Room temp for 12 months R% 0.1 Leach Resistance Solder dip at 250C 90s minimum Temperature Rise vs Pad Area Pulse Power Rating 1000 100 100 10 10 1 2 2 2 100mm 300mm 1000mm 0.1 1.0 10.0 Termination Pad Area (each end) Ti me (sec) 1 watt 2 watt 3 watt 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 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com Issue A 03.02 04.10 TT Electronics plc 09.18 Te mperature Rise (C) Power (watts)