DSF20545SF
DSF20545SF
Fast Recovery Diode
Advance Information
Replaces March 1998 version, DS4152-3.1
DS4152-4.0 January 2000
APPLICATIONS
■ Induction Heating
■ A.C. Motor Drives
■ Inverters And Choppers
■ Welding
KEY PARAMETERS
VRRM
IF(AV)
IFSM
Qr
4500V
1256A
16000A
1250µC
7.0µs
trr
■ High Frequency Rectification
■ UPS
FEATURES
■ Double Side Cooling
■ High Surge Capability
■ Low Recovery Charge
VOLTAGE RATINGS
Type Number
Repetitive Peak
Conditions
Reverse Voltage
VRRM
V
DSF20545SF45
DSF20545SF44
DSF20545SF43
DSF20545SF42
DSF20545SF41
DSF20545SF40
VRSM = VRRM + 100V
4500
4400
4300
4200
4100
4000
Lower voltage grades available.
Outline type code: CB450.
See Package Details for further information.
CURRENT RATINGS
Max.
Units
Symbol
Parameter
Conditions
Double Side Cooled
IF(AV)
Half wave resistive load, Tcase = 65oC
Tcase = 65oC
1256
1971
1765
A
A
A
Mean forward current
RMS value
Continuous (direct) forward current
Single Side Cooled (Anode side)
IF(RMS)
IF
T
case = 65oC
IF(AV)
IF(RMS)
IF
Mean forward current
RMS value
Half wave resistive load, Tcase = 65oC
case = 65oC
Tcase = 65oC
995
1552
1335
A
A
A
T
Continuous (direct) forward current
1/8
DYNEX [ Dynex Semiconductor ]
