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HFA240NJ40D fiches techniques PDF

International Rectifier - Soft Recovery Diode

Numéro de référence HFA240NJ40D
Description Soft Recovery Diode
Fabricant International Rectifier 
Logo International Rectifier 





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HFA240NJ40D fiche technique
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PD -2.512 rev. A 02/99
HEXFREDTM
Features
• Reduced RFI and EMI
• Reduced Snubbing
• Extensive Characterization of
Recovery Parameters
HFA240NJ40D
Ultrafast, Soft Recovery Diode
Anode
1
Cathode
2
Base AC
VR = 400V
VF(typ.)ƒ = 1V
IF(AV) = 240A
Qrr (typ.) = 290nC
IRRM(typ.) = 7.5A
trr(typ.) = 50ns
di(rec)M/dt (typ.)ƒ = 270A/µs
Description
HEXFREDTMdiodes 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.
TO-244AB
Absolute Maximum Ratings (per Leg)
Parameter
VR
IF @ TC = 25°C
IF @ TC = 100°C
IFSM
EAS
PD @ TC = 25°C
PD @ TC = 100°C
TJ
TSTG
Cathode-to-Anode Voltage
Continuous Forward Current
Continuous Forward Current
Single Pulse Forward Current 
Non-Repetitive Avalanche Energy ‚
Maximum Power Dissipation
Maximum Power Dissipation
Operating Junction and
Storage Temperature Range
Max.
400
244
122
900
1.4
460
185
-55 to +150
Units
V
A
mJ
W
C
Thermal - Mechanical Characteristics
Parameter
Min. Typ. Max. Units
RthJC
RthCS
Wt
Junction-to-Case, Single Leg Conducting
Junction-to-Case, Both Legs Conducting
Case-to-Sink, Flat, Greased Surface
Weight
––––
––––
––––
––––
––––
––––
0.10
79 (2.8)
0.27
0.14
––––
––––
°C/W
K/W
g (oz)
Mounting Torque „
Mounting Torque Center Hole
Terminal Torque
30 (3.4)
12 (1.4)
30 (3.4)
––––
––––
––––
40 (4.6)
18 (2.1)
40 (4.6)
lbf•in
(N•m)
Vertical Pull
2 inch Lever Pull
––––
––––
––––
––––
80 lbf•in
35
Note:  Limited by junction temperature
‚ L = 100µH, duty cycle limited by max TJ
ƒ 125°C
„ Mounting surface must be smooth, flat, free or burrs or other
protrusions. Apply a thin even film or thermal grease to mounting
surface. Gradually tighten each mounting bolt in 5-10 lbf•in steps
until desired or maximum torque limits are reached. Module
1

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