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PDF HFA35HB120 Data sheet ( Hoja de datos )
| Número de pieza | HFA35HB120 | |
| Descripción | Soft Recovery Diode | |
| Fabricantes | International Rectifier | |
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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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HFA35HB120
REVERSE RECOVERY CIRCUIT
VR = 200V
L = 70µH
0.01 Ω
D .U .T .
d if/d t
ADJUST G
D
IR F P 2 5 0
S
IF
0
3
trr
ta
tb
2
IRRM
4
Q rr
0.5 I RRM
d i(rec)M/dt
5
0.75 IRRM
1 dif /dt
1. dif/dt - Rate of change of current
through zero crossing
2. IRRM - Peak reverse recovery current
3. trr - Reverse recovery time measured
from zero crossing point of negative
going IF to point where a line passing
through 0.75 IRRM and 0.50 IRRM
extrapolated to zero current
4. Qrr - Area under curve defined by trr
and IRRM
trr X IRRM
Qrr =
2
5. di(rec)M/dt - Peak rate of change of
current during tb portion of trr
Fig. 9 - Reverse Recovery Parameter Test
Circuit
Fig. 10 - Reverse Recovery Waveform and
Definitions
WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331
IR GREAT BRITAIN: Hurst Green, Oxted, Surrey RH8 9BB, UK Tel: ++ 44 1883 732020
IR CANADA: 15 Lincoln Court, Brampton, Ontario L6T3Z2, Tel: (905) 453 2200
IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg Tel: ++ 49 6172 96590
IR ITALY: Via Liguria 49, 10071 Borgaro, Torino Tel: ++ 39 11 451 0111
IR FAR EAST: K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo Japan 171 Tel: 81 3 3983 0086
IR SOUTHEAST ASIA: 1 Kim Seng Promenade, Great World City West Tower, 13-11, Singapore 237994 Tel: ++ 65 838 4630
IR TAIWAN:16 Fl. Suite D. 207, Sec. 2, Tun Haw South Road, Taipei, 10673, Taiwan Tel: 886-2-2377-9936
http://www.irf.com/ Data and specifications subject to change without notice.
6/99
www.irf.com
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