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PDF HFA40HF120 Data sheet ( Hoja de datos )
| Número de pieza | HFA40HF120 | |
| Descripción | Soft Recovery Diode | |
| Fabricantes | International Rectifier | |
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HEXFREDTM
PD-20376
HFA40HF120
Ultrafast, Soft Recovery Diode
Features
• Reduced RFI and EMI
• Reduced Snubbing
• Extensive Characterization of Recovery Parameters
• Hermetic
• Surface Mount
(ISOLATED BASE)
CATHODE
ANODE
VR = 1200V
VF = 3.1V
Qrr = 510 nC
di(rec)M/dt = 350A/µs
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.
SMD -1
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.
—
2.6
Max.
1.5
—
Units
°C/W
g
1
6/30/99
1 page  
HFA40HF120
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
5
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet HFA40HF120.PDF ] | |
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