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DFB54

Dynex
Part Number DFB54
Manufacturer Dynex
Description Fast Recovery Diode
Published Jun 3, 2005
Detailed Description DFB54 DFB54 Fast Recovery Diode Replaces March 1998 version, DS4219-2.4 DS4219-3.0 January 2000 APPLICATIONS s Power S...
Datasheet PDF File DFB54 PDF File

DFB54
DFB54

Overview
DFB54 DFB54 Fast Recovery Diode Replaces March 1998 version, DS4219-2.
4 DS4219-3.
0 January 2000 APPLICATIONS s Power Supplies s Freewheel Diode s Battery Chargers s D.
C.
Motor Control s Welding s Rectification KEY PARAMETERS VRRM 3500V IF(AV) 2135A IFSM 20000A Qr 1500µC trr 6.
5µs FEATURES s Double Side Cooling s High Surge Capability s Low Recovery Charge VOLTAGE RATINGS Type Number Repetitive Peak Reverse Voltage VRRM V Conditions DFB54 35 3500 DFB54 34 3400 DFB54 33 3300 DFB54 32 3200 DFB54 31 3100 DFB54 30 3000 Lower voltage grades available.
VRSM = VRRM + 100V Outline type code: DO200AD.
See Package Details for further information.
CURRENT RATINGS Symbol Double Side Cooled IF(AV) IF(RMS) IF Mean forward current RMS value Continuous (direct) forward current Half wave resistive load, Tcase = 65oC Tcase = 65oC Tcase = 65oC 2135 3350 3060 A A A Parameter Conditions Max.
Units Single Side Cooled (Anode side) IF(AV) IF(RMS) IF Mean forward current RMS value Continuous (direct) forward current Half wave resistive load, Tcase = 65oC Tcase = 65oC Tcase = 65oC 1320 2080 1810 A A A 1/7 DFB54 SURGE RATINGS Symbol IFSM I2t IFSM I2t Parameter Surge (non-repetitive) forward current 10ms half sine; with 0% VRRM, Tj = 150oC I2t for fusing Surge (non-repetitive) forward current 10ms half sine; with 50% VRRM, Tj = 150oC I2t for fusing 1280 x 103 A2s 2000 x 103 16 A2s kA Conditions Max.
20.
0 Units kA THERMAL AND MECHANICAL DATA Symbol Parameter Conditions Double side cooled Rth(j-c) Thermal resistance - junction to case Single side cooled Cathode dc Clamping force 44kN with mounting compound Forward (conducting) Double side Single side -55 39.
6 0.
027 0.
003 0.
006 150 150 48.
4 o Min.
dc Anode dc - Max.
0.
013 0.
025 Units o C/W o C/W C/W C/W C/W o o Rth(c-h) Thermal resistance - case to heatsink o Tvj Tstg - Virtual junction temperature Storage temperature range Clamping force C C o kN CHARACTERISTICS Symbol VFM IRRM trr QRA1 IRM K VTO rT VFRM Forward voltag...


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