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International Rectifier Electronic Components Datasheet

HFA35HB120 Datasheet

Soft Recovery Diode

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HEXFREDTM
PD-20370
HFA35HB120
Ultrafast, Soft Recovery Diode
Features
• Reduced RFI and EMI
• Reduced Snubbing
• Extensive Characterization of Recovery Parameters
• Hermetic
• Electrically Isolated
• Ceramic Eyelets
Description
HEXFREDTM diodes are optimized to reduce losses and
EMI/RFI in high frequency power conditioning systems.
An extensive characterization of the recovery behavior
for different values of current, temperature and di/dt
simplifies the calculations of losses in the operating
conditions. The softness of the recovery eliminates the
need for a snubber in most applications. These devices
are ideally suited for power converters, motors drives and
other applications where switching losses are significant
portion of the total losses.
(ISOLATED BASE)
CATHODE
ANODE
VR = 1200V
VF = 3.1V
Qrr = 510 nC
di(rec)M/dt = 350A/µs
TO-254AA
Absolute Maximum Ratings (per Leg)
VR
IF @ TC = 100°C
IFSM @ TC = 25°C
PD @ TC = 25°C
TJ
TSTG
Parameter
D.C. Reverse Voltage
Continuous Forward Current 
Single Pulse Forward Current ‚
Maximum Power Dissipation
Operating Junction and
Storage Temperature Range
Max.
1200
11
190
83
-55 to +150
Units
V
A
W
°C
Thermal - Mechanical Characteristics
RθJC
Parameter
Junction-to-Case, Single Leg Conducting
Weight
Note:  D.C. = 50% rect. wave
‚ 1/2 sine wave, 60 Hz , P.W. = 8.33 ms
www.irf.com
Typ.
9.3
Max.
1.5
Units
°C/W
g
1
6/30/99
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International Rectifier Electronic Components Datasheet

HFA35HB120 Datasheet

Soft Recovery Diode

No Preview Available !

www.DataSheet4U.com
HFA35HB120
Electrical Characteristics (per Leg) @ TJ = 25°C (unless otherwise specified)
Parameter
Min. Typ. Max. Units
Test Conditions
VBR Cathode Anode Breakdown Voltage 1200 — — V IR = 100µA
VFM Max Forward Voltage
— — 3.1
IF = 11A
— — 4.0 V IF = 22A
See Fig. 1
— — 2.7
IF = 11A, TJ = 125°C
IRM Max Reverse Leakage Current
— — 10 µA VR = VR Rated
See Fig. 2
— — 1.0 mA TJ = 125°C, VR = 960V
CT Junction Capacitance
— 28 42 pF VR = 200V
See Fig. 3
LS Series Inductance
— 8.7 — nH Measured from center of bond pad to
end of anode bonding wire
Dynamic Recovery Characteristics (per Leg) @ TJ = 25°C (unless otherwise specified)
trr1
trr2
IRRM1
IRRM2
Qrr1
Qrr2
di(rec)M/dt1
di(rec)M/dt2
Parameter
Min. Typ. Max. Units
Test Conditions
Reverse Recovery Time
— 80 120 ns TJ = 25°C See Fig.
— 130 195
TJ = 125°C
5
IF = 11A
Peak Recovery Current
— 7.25 10.9 A TJ = 25°C See Fig.
— 10.2 15.3
TJ = 125°C
6
VR = 200V
Reverse Recovery Charge
— 340 510 nC TJ = 25°C See Fig.
— 825 1240
TJ = 125°C
7 dif/dt = 200A/µs
Peak Rate of Fall of Recovery Current — 230 350 A/µs TJ = 25°C See Fig.
During tb
— 160 240
TJ = 125°C
8
Case Outline and Dimensions — TO-254AA
3.7 8 ( .149 )
3.5 3 ( .139 )
-A-
1 3.8 4 ( .545 )
1 3.5 9 ( .535 )
17.4 0 ( .68 5 )
16.8 9 ( .66 5 )
31.40 ( 1.235 )
30.39 ( 1.199 )
123
20 .3 2 ( .8 00 )
20 .0 7 ( .7 90 )
-C-
6 .6 0 ( .2 60 )
6 .3 2 ( .2 49 )
.12 ( .005 )
-B-
1 .2 7 ( .0 50 )
1 .0 2 ( .0 40 )
13 .84 ( .5 45 )
13 .59 ( .5 35 )
LEGEND
1 - COLLECTOR W
2 - E M ITT E R
3 - GA TE
123
3.81 ( .150 )
2X
3X
1 .1 4 ( .0 45 )
0 .8 9 ( .0 35 )
.5 0 ( .0 20 ) M C A M B
.2 5 ( .0 10 ) M C
NOTES:
1 . D IM E N S IO N ING & TO L E R A NC IN G P E R A N S I Y 14 .5 M , 198 2.
2 . A L L D IM E N S IO N S A RE S H O W N IN M IL LIM E TE RS ( IN C H E S ) .
3 .81 ( .1 50 )
LEGEND
1- CATHODE
2- N/C
3- ANODE
Conforms to JEDEC Outline TO-254AA
Dimensions in Millimeters and ( Inches )
CAUTION
BERYLLIA WARNING PER MIL- PRF-19500
Package containing beryllia shall not be ground, sandblasted,machined, or have other operations performed on them
which will produce beryllia or beryllium dust. Furthermore, beryllium oxide packages shall not be placed in acids that
will produce fumes containing beryllium.
2 www.irf.com
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Part Number HFA35HB120
Description Soft Recovery Diode
Maker International Rectifier
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HFA35HB120 Datasheet PDF






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