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| PD-20375A HFA45HC120C HEXFRED Features * Reduced RFI and EMI * Reduced Snubbing * Extensive Characterization of Recovery Parameters * Hermetic * Electrically Isolated * Ceramic Eyelets TM Ultrafast, Soft Recovery Diode (ISOLATED BASE) VR = 1200V VF = 3.0V Qrr = 675nC ANODE COMMON CATHODE ANODE Description HEXFRED diodes are optimized to reduce losses and EMI/RFI in high frequency power conditioning systems. An extensive characterization of the recovery behavior for different values of current, temperature and di/dt simplifies the calculations of losses in the operating conditions. The softness of the recovery eliminates the need for a snubber in most applications. These devices are ideally suited for power converters, motors drives and other applications where switching losses are significant portion of the total losses. TM TO-258AA Absolute Maximum Ratings (per Leg) Parameter VR IF @ TC = 100C IFSM @ TC = 25C PD @ TC = 25C TJ TSTG D.C. Reverse Voltage Continuous Forward Current Single Pulse Forward Current Maximum Power Dissipation Operating Junction and Storage Temperature Range Max. 1200 28 190 104 -55 to +150 Units V A W C Thermal - Mechanical Characteristics Parameter RJC Junction-to-Case, Single Leg Conducting Weight Typ. -- 10.9 Max. 1.2 -- Units C/W g Note: D.C. = 50% rect. wave 1/2 sine wave, 60 Hz , P.W. = 8.33 ms www.irf.com 1 6/23/99 HFA45HC120C Electrical Characteristics (per Leg) @ TJ = 25C (unless otherwise specified) Parameter VBR VFM Cathode Anode Breakdown Voltage Max Forward Voltage Min. Typ. Max. Units 1200 -- -- -- -- -- -- -- -- -- -- -- -- -- -- 8.7 -- 3.0 3.9 2.7 20 2.0 40 -- V V A mA pF nH Test Conditions IR = 100A IF = 14A IF = 28A IF = 14A, TJ = 125C VR = VR Rated TJ = 125C, VR = 960V VR = 200V Measured from center of bond pad to end of anode bonding wire I RM CT LS Max Reverse Leakage Current Junction Capacitance Series Inductance Dynamic Recovery Characteristics (per Leg) @ TJ = 25C Parameter trr IRRM QRR Reverse Recovery Time Max Reverse Recovery Current Reverse Recovered Charge Min. Typ. Max. Units -- -- -- -- -- -- 135 10 675 nS A nC Test Conditions IF = 14A, di/dt < 200A/us, VR = 200V IF = 14A, di/dt < 200A/us, VR = 200V IF = 14A, di/dt < 200A/us, VR = 200V Case Outline and Dimensions -- TO-258AA Conforms to JEDEC Outline TO-258AA Dimensions in millimeters and (inches) CAUTION BERYLLIA WARNING PER MIL- PRF-19500 Package containing beryllia shall not be ground, sandblasted,machined, or have other operations performed on them which will produce beryllia or beryllium dust. Furthermore, beryllium oxide packages shall not be placed in acids that will produce fumes containing beryllium. 2 www.irf.com HFA45HC120C 3 IF t rr ta tb 4 R E V E R S E R E C O V E R Y C IR C U IT V R = 2 00 V 0 Q rr 2 I RRM 0.5 I R R M di(re c)M /dt 0.75 I R R M 5 0.01 L = 70H D .U .T. D d if/d t A D JU S T G IR F P 2 50 S 1 di f /d t 4. Qrr - Area under curve defined by trr and IRRM trr X IRRM Qrr = 2 1. dif/dt - Rate of change of current through zero crossing 2. IRRM - Peak reverse recovery current 3. trr - Reverse recovery time measured from zero crossing point of negative going IF to point where a line passing through 0.75 IRRM and 0.50 IRRM extrapolated to zero current Fig.1 - Reverse Recovery Parameter Test Circuit Fig. 2 - Reverse Recovery Waveform and Definitions WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331 IR GREAT BRITAIN: Hurst Green, Oxted, Surrey RH8 9BB, UK Tel: ++ 44 1883 732020 IR CANADA: 15 Lincoln Court, Brampton, Ontario L6T3Z2, Tel: (905) 453 2200 IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg Tel: ++ 49 6172 96590 IR ITALY: Via Liguria 49, 10071 Borgaro, Torino Tel: ++ 39 11 451 0111 IR FAR EAST: K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo Japan 171 Tel: 81 3 3983 0086 IR SOUTHEAST ASIA: 1 Kim Seng Promenade, Great World City West Tower, 13-11, Singapore 237994 Tel: ++ 65 838 4630 IR TAIWAN:16 Fl. Suite D. 207, Sec. 2, Tun Haw South Road, Taipei, 10673, Taiwan Tel: 886-2-2377-9936 http://www.irf.com/ Data and specifications subject to change without notice. 6/99 www.irf.com 3 |
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