MECHANICALDATA
FEATURES
DataSheetNo.SESA-301-1B
MECHANICALSPECIFICATION
Case:JEDECDO-27moldedplastic(U/LFlammabilityRating94V-0)
Terminals:Platedaxialleads
Solderability:PerMIL-STD202Method208guaranteed
Polarity:Colorbanddenotescathode
MountingPosition:Any
Weight:0.04Ounces(1.12Grams)
C9
(1)Measuredat1MHzandanappliedreversevoltageof4volts.
AverageForwardRectifiedCurrent@T=55CAo
PeakForwardSurgeCurrent(8.3mSsinglehalfsinewave
superimposedonratedload)
MaximumForwardVoltageat3AmpsDC
IO
VOLTS
AMPS
VFM
IFSM
3
160
1.25
TypicalThermalResistance,JunctiontoLead
JunctionOperatingandStorageTemperatureRange
MaximumAverageDCReverseCurrent
AtRatedDCBlockingVoltageIRM
RฮธJA
TJ,TSTG
ยฐC/W
ยฐC
ยตA
TypicalJunctionCapacitance(Note1)CJpF
@T=25CCo
@T=125CCo5
50
20
-65to+150
3.01ufr300
NOTES:
ColorBand
Denotes
Cathode
LD(Dia)
BD(Dia)
LL
BL
LL
DO-27
MaximumReverseRecoveryTime(I=0.5A,I=1A,I=0.25A)FRRRTRRnSec
1.7
50
45
ACTUALSIZEOF
DO-27PACKAGE
SymInmm
MinimumMaximum
BL
BD
LL
LD1.00
0.048
Inmm
0.365
0.205
0.052
9.28
5.2
1.3
25.4
1.2
75
MAXIMUMRATINGS&ELECTRICALCHARACTERISTICS
Ratingsat25ยฐCambienttemperatureunlessotherwisespecified.
Singlephase,halfwave,60Hz,resistiveorinductiveload.
Forcapacitiveloads,deratecurrentby20%.
PARAMETER(TESTCONDITIONS)
MaximumDCBlockingVoltage
MaximumPeakRecurrentReverseVoltage
MaximumRMSVoltage
SeriesNumber
VRMS
VRRM
VRM
SYMBOLRATINGSUNITS
VOLTS
UFR
300UFR
301UFR
302UFR
303UFR
304UFR
305UFR
306UFR
308UFR
310
50
50
100
100
200
200
300
300
400
400
3570140210280
500
500
600
600
800
800
1000
1000
350420560700
SERIESUFR300-UFR310
Tel.:(310)767-1052Fax:(310)767-7958
DIOTECELECTRONICSCORP.
Gardena,CA90248U.S.A
18020HobartBlvd.,UnitB
LOWSWITCHINGNOISE
LOWTHERMALRESISTANCE
HIGHSWITCHINGCAPABILITY
LOWFORWARDVOLTAGEDROP
R
PROPRIETARYJUNCTION
PASSIVATIONFORSUPERIORRELIABILITYAND
PERFORMANCE
SOFTGLASS
VOIDFREEVACUUMDIESOLDERINGFORMAXIMUM
MECHANICALSTRENGTHANDHEATDISSIPATION
(SolderVoids:Typical<2%,Max.<10%ofDieArea)
RATING&CHARACTERISTICCURVESFORSERIESUFR300-UFR310
DataSheetNo.SESA-301-2B
FIGURE4.TYPICALREVERSECHARACTERISTICS
FIGURE3.TYPICALFORWARDCHARACTERISTICS
InstantaneousForwardVoltage(Volts)
1.0
0.1
10
100
0.01PercentofRatedPeakReverseVoltage
0.01
0.1
1.0
10
100
FIGURE2.MAXIMUMNON-REPETITIVESURGECURRENT
NumberofCyclesat60Hz
110100
150
160
125
175
100
75
50
25
3AMPULTRAFASTRECOVERYDIODES
4.97bsesa3a
100120140
NOTES
(1)SinglePhase,HalfWave,60Hz;LeadLength=0.375"(9.5mm)
(2)JEDECMethod,8.3mSec.SingleHalfSineWave;
(3)T=25C,PulseWidth=300Sec,2.0%DutyCycleJoยต
C10
T=100CJo
T=25CJo
200 406080
T=150CJo
FIGURE5.TYPICALJUNCTIONCAPACITANCE
ReverseVoltage,(Volts)
1 10100
120
80
40
0
160
200
0.1
UFR300-304
UFR300-305
UFR306-310
UFR305-310
FIGURE1.FORWARDCURRENTDERATINGCURVE
AmbientTemperature,C
o
NOTE1
ResistiveandInductiveLoads
Tel.:(310)767-1052Fax:(310)767-7958
DIOTECELECTRONICSCORP.
Gardena,CA90248U.S.A
18020HobartBlvd.,UnitB