Fast Recovery Diode
DF451
DF451
Fast Recovery Diode
Replaces March 1999 version, DS4142-4.0 DS4143-5.0 January 2000
FEATURES
s s s
Double...
Description
DF451
DF451
Fast Recovery Diode
Replaces March 1999 version, DS4142-4.0 DS4143-5.0 January 2000
FEATURES
s s s
Double Side Cooling High Surge Capability Low Recovery Charge
Applications
s s s s s s
KEY PARAMETERS VRRM 1600V IF(AV) 295A IFSM 3500A Qr 25µC trr 1.22µs
Induction Heating A.C. Motor Drives Inverters And Choppers Welding High Frequency Rectification UPS
Voltage Ratings
Type Number Repetitive Peak Reverse Voltage VRRM V 1600 1400 1200 1000 800 600 Conditions Outline type code: M771. See Package Details for further information. VRSM = VRRM + 100V
DF451 16 DF451 14 DF451 12 DF451 10 DF451 08 DF451 06
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 295 543 391 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 220 348 285 A A A 1/8
DF451
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 39.2 x 103 A2s 61.25 x 103 2.8 A2s kA Conditions Max. 3.5 Units kA
THERMAL AND MECHANICAL DATA
Symbol Parameter Conditions Double side cooled Rth(j-c) Thermal resistance - junction ...
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