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PDF UFB120FA20 Data sheet ( Hoja de datos )
| Número de pieza | UFB120FA20 | |
| Descripción | Insulated Ultrafast Rectifier Module | |
| Fabricantes | International Rectifier | |
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Bulletin PD-20487 12/01
UFB120FA20
Insulated Ultrafast Rectifier Module
Features
• Two Fully Independent Diodes
• Ceramic Fully Insulated Package (VISOL = 2500V AC)
• UltrafastReverseRecovery
• UltrasoftReverseRecoveryCurrentShape
• LowForwardVoltage
• Optimized for Power Conversion: Welding and Industrial SMPS Applications
• Industry Standard Outline
• Plug-in Compatible with other SOT-227 Packages
• Easy to Assemble
• Direct Mounting to Heatsink
trr = 28ns
IF(AV) = 120A
@ TC = 90°C
VR = 200V
Description
The UFB120FA20 insulated modules integrate two state-of-the-art International Rectifier's Ultrafast recovery rectifiers
in the compact, industry standard SOT-227 package. The planar structure of the diodes, and the platinum doping life-
time control, provide a Ultrasoft recovery current shape, together with the best overall performance, ruggedness and
reliability characteristics.
These devices are thus intended for high frequency applications in which the switching energy is designed not to be
predominant portion of the total energy, such as in the output rectification stage of Welding machines, SMPS, DC-
DC converters. Their extremely optimized stored charge and low recovery current reduce both over dissipation in the
switching elements (and snubbers) and EMI/ RFI.
Absolute Maximum Ratings
Parameters
VR
IF
IFSM
PD
VISOL
TJ, TSTG
Cathode-to-Anode Voltage
Continuous Forward Current, TC = 90°C
Per Diode
Single Pulse Forward Current, TC = 25°C
Per Diode
Max. Power Dissipation, TC = 90°C
Per Module
RMS Isolation Voltage, Any Terminal to Case, t = 1 min
Operating Junction and Storage Temperatures
Max
200
60
850
110
2500
- 55 to 150
Units
V
A
W
V
°C
Case Styles
UFB120FA20
14
www.irf.com
SOT-227
23
1
1 page  
UFB120FA20
Bulletin PD-20487 12/01
VR = 200V
L = 70µH
0.01 Ω
D.U.T.
dif/dt
ADJUST G
D
IRFP250
S
Fig. 9 - Reverse Recovery Parameter Test
Circuit
IF
0
3
trr
ta
tb
1 dif /dt
2 I RRM
Qrr 4
0.5 I RRM
di(rec)M/dt
5
0.75 IRRM
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
t rr and IRRM
Q
rr =
t rr x I
2
RRM
5. di (rec) M / dt - Peak rate of change
of current during t b portion of t rr
Fig. 10 - Reverse Recovery Waveform and Definitions
SOT-227 Package Details
Notes:
1. Dimensioning & tolerancing per ANSI Y14.5M-1982.
2. Controlling dimension: millimeter.
3. Dimensions are shown in millimeters (inches).
www.irf.com
LEAD ASSIGNMENTS
FRED
5
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet UFB120FA20.PDF ] | |
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