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: PowerRing@SBElectronics.com

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: PowerRing@SBElectronics.com

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