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Power Ring Film CapacitorsTM
At the Leading Edge of Film Capacitor Technology®
SBE Part 700D15899-509
SBE reserves the right to amend design data
Power Ring Film Capacitor™ 1500 µF, 900 Vdc
The 700D15899-509 Power Ring is a 900Vdc, 1500 µF DC Link Capacitor with an ESR of 150 micro-Ohms at 20kHz and an ESL of less than 15nH.
Electrical Specifications
SBE Part #: 700D15899-509
Capacitance/Tolerance: 1500 µF ±10%
DC Voltage Rating: 900 Vdc
Dielectric/Construction: Metallized polypropylene. Singlesectiondesign
Dielectric Withstand: Units 100% tested at DC potentialof1125Voltsfortwo minutesat25°C
Typical ESR vs. Frequency:
ESL: Less than 15 nH in a suitable laminar bus structure
Operating Temperature: -40°C to +85°Catfull DCvoltagerating
Voltage, Temperature ContactSBEforapplications De-rating: above 85°C
System Fault Current 10,000 Amps maximum Rating (external to the capacitor):
RMS Current Rating:
0
100
200
300
400
500
600
25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105
Max
imum
Rip
ple
Curr
ent (
A rm
s)
Case Temperature (oC)
Case Side Cooling Only
Case and Bus Side Cooling
700D509 with 20 kHz ripple current
Temperature rise due to capacitor losses only
Bus heat load NOT included
0
0.1
0.2
0.3
0.4
0.5
0.6
0.01 0.1 1 10 100
ESR,
mill
iohm
s
Frequency, KHz
Typical 700D509 ESR vs Frequency
Power Ring Film CapacitorsTM
SBE Inc. 81 Parker Road telephone: 802.476.4146 web site: www.SBElectronics.com Barre, Vermont 05641 USA fax: 802.661.3950 e-mail: [email protected]
SBE Part 700D15899-509
SBE reserves the right to amend design data
Thermal Specifications
Herearetworepresentationsof“CapacitorSurfaceTemperatureoverTime”fortwospecificThermal Resistancesof1°C/Wand0.5°C/W.
Notes regarding these graphs:
• Thethermalresistanceisthatfromcapacitortoapplication.Thisisafunctionoftheapplicationenvironment,notthecapacitoritself.
• Thecapacitorcanhandleextremecurrentforsmalldutyratios.Triseoccursveryslowly.Thisisbecausethecapacitorhasahighspecificheat.
• Thesechartscanbeadaptedforothercurrentsby multiplyingyaxisvaluesforanytimeby(Iapp/254)²
• InternalcapacitorTriseisaddedtothecapacitor surface/terminaltemperature.
• Terminals are assumed to be at case temperature.
Mechanical Specifications
Dimensions: Refertolayoutdetails Terminals: Tin plated copper, 0.032”thick Encapsulation: Molded polymer case, pottedwithRTV Marking: SBE SBEcompanyidentification 700D509 SBE“shortform”partnumber 1500 µF ±10% Capacitance value and tolerance 900Vdc DCvoltagerating yyww-lot#-unit 12-digitserialnumber(date code,lotnumber,unitnumber)
Sample 1. Capacitorsurfacetemperatureriseaboveapplicationenvironment@254AmpsRMScurrentload,10KHz. Thermalresistance=0.5°C/W:
Sample 2. Capacitorsurfacetemperatureriseaboveapplicationenvironment@254AmpsRMScurrentload,10KHz.Thermalresistance=1°C/W:
24.5
25
25.5
26
26.5
27
27.5
28
28.5
29
29.5
0 5000 10000 15000 20000
Tem
pera
ture
deg
rees
C
Time in seconds
Capacitor Surface Temperature Cap at Uniform Temperature
25
26
27
28
29
30
31
32
33
0 5000 10000 15000 20000 25000
Tem
pera
ture
deg
rees
C
Time in seconds
Capacitor Surface Temperature Cap at Uniform Temperature
Power Ring Film CapacitorsTM
At the Leading Edge of Film Capacitor Technology®
SBE Part 700D15899-509
SBE reserves the right to amend design data
Mechanical Mounting and Additional Thermal Notes:
Thiscapacitorisoptimizedforextremelylowselfinductancewhenconnectedtoasuitablelaminarbusstructure.Whensoconnected,thecapacitorisveryrigidlyattachedtosuchastructureandthusdoesnotnecessarilyneedtobemountedtoachassis.However,thecapacitorcasecanbeattachedtoanapplicationsurface/heatsink,etc.ifdesired.Whensomounted,thecapacitorcanbepartofthebusstructuresup-port.Useofthermalinterfacecompoundbetweenthecapacitorcaseandapplicationsurface/heatsinkwillassistwithremovalofcapacitorandbusheat.Note
thatthecapacitorinternalheatingisVERYsmall,andotherbusstructureheatsourcesareverylikelysignifi-cantly higher than the heat added to the bus by the capacitor.Capacitordissipationisapproximately7.5Wat254Arms,from1-100KHz.Itishighlyrecommendedtouseinfraredthermalimagingfromasystemcoldstarttodeterminethelocationandrelativemagnitudeofthermalinputtothebus.Thecapacitormaywellfunctionasathermalconduitforbusstructureheat,anditwillbeverypossiblethatthecapacitorinternalhot spot is less than the terminal temperature. Thermalcontourmapsareavailableforsomerepre-sentativeconditions.
Layout Details:
Contact SBE Inc. to discuss your specific requirements.
.259 1.000Accepts 1/4" Plastite Screw
40 in-lbs MAX Torque
7X 45.0°
22.5°
10.070Bolt Circle
12.323
13.583Bolt Circle
28 in-lbs MAX Torque16X M5X0.8 - 6H THRU
40 in-lbs MAX TorqueAccepts 1/4" Plastite Screw
4X .197±.005 THRU
12.563Bolt Circle
A
.020 A B C
.020 A B C
B
C
2.812
.275
0.04016 Surfaces
A
.663.288
.500
1.000
DETAIL A SCALE 1 : 1
NOTES:
All Hole Positions Inspected1.All Dimensions Inspected Unless 2.Marked As Reference
Revisions
REV. DESCRIPTION CHG BY
CHK BY
APR BY DATE
01 Initial Release - - - -
FINISH DO NOT SCALE DRAWING
12/17/2010MGS
UNLESS OTHERWISE SPECIFIED:ALL DIMENSIONS ARE IN INCHES
CHECKED
DRAWN
MATERIAL
GEOMETRIC TOLERANCING PER: Y14.5-2009
ENG APPR.
NON-TOLERANCED DIMENSIONS ARE BASIC
MGS 12/15/2010
SHEET 1 OF 1
TITLE
Power Ring Capacitor, 1500uF, 900VDC
SIZE A REV
SBE, INC.81 PARKER ROAD
BARRE, VT 05641 USA802.476.4146 FAX: 802.661.3950
PROPRIETARY AND CONFIDENTIALTHE INFORMATION CONTAINED IN THIS DRAWING IS THE SOLE PROPERTY OF SBE. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF SBE IS PROHIBITED. 01
700D509LV
.010 A B C
AGHDWG. NO.
8/5/2010
Power Ring Film CapacitorsTM
SBE Inc. 81 Parker Road telephone: 802.476.4146 web site: www.SBElectronics.com Barre, Vermont 05641 USA fax: 802.661.3950 e-mail: [email protected]
SBE Part 700D15899-509
SBE reserves the right to amend design data
Advantages of Power Ring DC Link Capacitors
• Abilitytohandlehigherripplecurrentswithlesscapacitance,weight,andvolume
• Useof105°CICEcoolantforpower electronics cooling
• DemonstratedMTTF>>20,000hoursforrealisticoperatingconditions,duetolowerlossesand betterthermalperformance
• MinimizationofIGBTovershootandeliminationoftheneedforadditionalsnubbercapacitors
• MosteffectiveisolationofDCstorageorsupplyfromACswitchingartifacts
• LowestindustryESLat<5nHtypicalwitha properly integrated bus structure
• Smallerinverterpackaging• Overall system cost savings• Capacitancefrom400µFto2500µFandvoltages
from250Vdcto1200Vdc
TheSBEPowerRingFilmCapacitors™utilizetradition-ally available and economical polypropylene and poly-estercapacitordielectricfilms.However,thepower of the shape™allowsforboththermalandelectricalperformancewhichhasbeenunachievableinthefilmcapacitor industry to date.
Power Ring System Performance
ThecombinationoflowestavailableTrise,ESRandESLcoupledwithhighestripplecurrenthandlingcapabilityenablethedevelopmentofindustryleadinginverterdesignswithunbeatableperformanceandreliability.
Lowest available Trise for a given ripple current Lowest available ESL, less than 5nH demonstrated with optimal integrated bus Lowest available ESR, less than 150 micro-Ohms typical CrownterminalarchitectureprovidesforamultitudeofcurrentpathswhichallowsthemonolithiccapacitortofunctionasadistributedelementwithamuchlowerESRthananequivalentarrayofsmallerparts.SBEhasdevelopedanextgenerationcapacitorsimulationtoolthatallowsaccuratecalculationofhotspottempera-turetoallowoptimalratingwithexcellentreliability.
Integrating the Power Ring in an Existing Design
The“stacked”inverterdesignevolvesfrommodifyingatypicalautomotiveinverterbyutilizingtheexcessspaceleftabovetheIGBTmodule(figure1).Bybend-ingtheendofthelaminarbusplate,theIBGT,die,coolingplate,andtheringcapacitorare“stacked”ontopofeachotherinasymmetricalfashion.Theringcapacitor is placed underneath the cooling plate. ThecoolingplateissharedwiththeIGBTmodulewhichismountedonthetop.
Figure 1
Figure 2
Figure2showsthe“stacked”inverterdesignaftertheintegrationoftheringcapacitorandthelaminarbusplate.Bynowcombiningbothaspectsofverticalinte-grationandthelowtemperaturerisecharacteristicsofthecapacitors,anincreaseto50%ormorevolumereductionisrealisticallypossible.Theseimprovementsclearlytranslateintoweightandcostreductions.
#SBE-PR-509-02/14