MDFB51
MDFB51
Fast Recovery Diode Advance Information
Replaces March 1999 version, DS4149-4.0 DS4148-5.0 January 2000
...
MDFB51
MDFB51
Fast Recovery Diode Advance Information
Replaces March 1999 version, DS4149-4.0 DS4148-5.0 January 2000
FEATURES
q q q
Double side cooling High surge capability Low recovery charge
KEY PARAMETERS VRRM 2500V IF(AV) 2212A IFSM 24000A Qr 1000µC trr 6.0µs
APPLICATIONS
q q q q q
Freewheel Diode D.C. Motor Drives Welding High Frequency Rectification Power Supplies
VOLTAGE RATINGS
Type Number Repetitive Peak Reverse
Voltage VRRM V 2500 2400 2200 2000 Conditions
MDFB51 25 MDFB51 24 MDFB51 22 MDFB51 20
VRSM = VRRM + 100V
Lower
voltage grades available.
Outline type code: CB486. 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 2212 3850 3560 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 1627 2555 2272 A A A 1/8
MDFB51
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 1843 x 103 A2s 2880 x 103 19.2 A2s kA Conditions Max. 24.0 Units kA
THERMAL AND MECHANICAL DATA
Symbol Parameter Conditions Double side cooled Rth(j-c)...