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DFS45425 Schematic ( PDF Datasheet ) - Dynex

Teilenummer DFS45425
Beschreibung Fast Recovery Diode
Hersteller Dynex
Logo Dynex Logo 




Gesamt 8 Seiten
DFS45425 Datasheet, Funktion
Replaces March 1998 version, DS4145-3.4
DFS454
DFS454
Fast Recovery Diode
Advance Information
DS4145-4.0 January 2000
APPLICATIONS
s Induction Heating
s A.C. Motor Drives
s Inverters And Choppers
s Welding
s High Frequency Rectification
s UPS
FEATURES
s Double Side Cooling
s High Surge Capability
s Low Recovery Charge
VOLTAGE RATINGS
Type Number
DFS454 25
DFS454 24
DFS454 22
DFS454 20
Repetitive Peak
Reverse Voltage
V
RRM
V
2500
2400
2200
2000
Conditions
V = V + 100V
RSM
RRM
KEY PARAMETERS
VRRM
IF(AV)
IFSM
Qr
trr
2500V
365A
3500A
200µC
2.0µs
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: M771.
See Package Detials 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
365 A
575 A
525 A
242 A
380 A
335 A
1/8






DFS45425 Datasheet, Funktion
DFS454
0.1
0.01
d.c. Double side cooled
0.001
0.01
0.1 1 10
Time - (s)
100
Fig. 6 Maximum (limit) transient thermal impedance - junction to case - (˚C/W)
PACKAGE DETAILS
For further package information, please contact your local Customer Service Centre. All dimensions in mm, unless stated otherwise.
DO NOT SCALE.
2 holes Ø3.6 x 2.0 deep
(One in each electrode)
Cathode
Ø42 max
Ø19 nom
Ø19 nom
Anode
Nominal weight: 50g
Clamping force: 5kN ±10%
Package outine type code: M771
6/8

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