MDFB5122

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)...