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PDF MDFB8545 Data sheet ( Hoja de datos )
| Número de pieza | MDFB8545 | |
| Descripción | Fast Recovery Diode | |
| Fabricantes | Dynex | |
| Logotipo |  |
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Replaces March 1998 version, DS4177-1.3
APPLICATIONS
s Freewheel Diode
s D.C. Motor Drives
s Welding
s High Frequency Rectification
s Power Supplies
FEATURES
s Double side cooling
s High surge capability
s Low recovery charge
VOLTAGE RATINGS
Type Number
MDFB85 45
Repetitive Peak
Reverse Voltage
V
RRM
V
4500
Conditions
V = V + 100V
RSM
RRM
MDFB85
MDFB85
Fast Recovery Diode
Advance Information
DS4177-2.0 January 2000
KEY PARAMETERS
VRRM
IF(AV)
IFSM
Qr
trr
4500V
2130A
20000A
2200µC
6.0µs
Lower voltage grades available.
CURRENT RATINGS
Symbol
Parameter
Double Side Cooled
IF(AV)
I
F(RMS)
Mean forward current
RMS value
I
F
Continuous (direct) forward current
Single Side Cooled (Anode side)
I
F(AV)
I
F(RMS)
I
F
Mean forward current
RMS value
Continuous (direct) forward current
Outline type code: CB486.
See Package Details for further information.
Conditions
Max. Units
Half wave resistive load, Tcase = 65oC
Tcase = 65oC
T = 65oC
case
Half wave resistive load, T = 65oC
case
Tcase = 65oC
T = 65oC
case
2130
3350
3020
A
A
A
1340
2110
1810
A
A
A
1/8
1 page  
100000
10000
∫IF
50µs
QS = 0
tp = 1ms
dIR/dt
QS
IRR
Conditions:
Tj = 150˚C,
VR = 100V
1000
IF = 2000A
IF = 1000A
IF = 500A
IF = 200A
IF = 100A
MDFB85
100
1
10000
1000
100
10 100
Rate of rise of reverse current dIR/dt - (A/µs)
Fig.4 Recovered charge
1000
Conditions:
Tj = 150˚C,
VR = 100V
IF = 2000A
IF = 1000A
IF = 500A
IF = 200A
IF = 100A
10
1 10 100 1000
Rate of rise of reverse current dIR/dt - (A/µs)
Fig.5 Typical reverse recovery current vs rate of rise of reverse current
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MDFB8545.PDF ] | |
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