Part Number Ordering Information

Part Number

No. of Devices

Container

HBAT-5400-BLKG

100

AntistaticBag

HBAT-5400-TR1G

3,000

7"Reel

HBAT-5400-TRG

10,000

13"Reel

HBAT-540-BLKG

100

AntistaticBag

HBAT-540-TR1G

3,000

7"Reel

HBAT-540-TRG

10,000

13"Reel

HBAT-540B-BLKG

100

AntistaticBag

HBAT-540B-TR1G

3,000

7"Reel

HBAT-540B-TRG

10,000

13"Reel

HBAT-540C-BLKG

100

AntistaticBag

HBAT-540C-TR1G

3,000

7"Reel

HBAT-540C-TRG

10,000

13"Reel

For product information and a complete list of distributors, please go to our web site:         

www.avagotech.com

Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies in the United States and other countries.

Data subject to change.  Copyright © 2005-2008 Avago Technologies.  All rights reserved.  Obsoletes 5989-4779EN

AV02-1394EN - July 4, 2008

tanceofthediodewhereheatisgeneratedunderhigh

resistance.

other than the HSMS-70x family, this is the lowest of

anySchottkydiodeavailable.Chipthermalresistanceis

typically40°C/W;thethermalresistanceoftheiron-alloy-

leadframe,SOT-3packageistypically460°C/W;andthe

thermal resistance of the copper-leadframe, SOT-33

package is typically 110°C/W. The impact of package

thermal resistance on the current handling capability

ofthesediodescanbeseeninFigures3and4.Herethe

computed values of junction temperature vs. forward

currentareshownforthreevaluesofambienttempera-

ture.TheSOT-33products,withtheircopperleadframes,

cansafelyhandlealmosttwicethecurrentofthelarger

SOT-3diodes.Notethattheterm“ambienttemperature”

referstothetemperatureofthediode’sleads,nottheair

aroundthecircuitboard.ItcanbeseenthattheHBAT-

540BandHBAT-540CproductsintheSOT-33package

willsafelywithstandasteady-stateforwardcurrentof330

mAwhenthediode’sterminalsaremaintainedat75°C.

Forpulsedcurrentsandtransientcurrentspikesofless

than one microsecond in duration, the junction does

nothavetimetoreachthermalsteadystate.Moreover,

thediodejunctionmaybetakentotemperatureshigher

than 150°C for short timeperiods without impacting

device MTTF. Because of these factors, higher currents

can be safely handled. The HBAT-540x family has the

secondhighestcurrenthandlingcapabilityofanyAvago

diode,nexttotheHSMS-70xseries.