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| PD -2.474A HFA75MC40C HEXFRED Features Reduced RFI and EMI Reduced Snubbing Extensive Characterization of Recovery Parameters 1 ANODE 1 TM Ultrafast, Soft Recovery Diode (ISOLATED BASE) 2 COMMON CATHODE 3 ANODE 2 VR = 400V VF(typ.) = 1V IF(AV) = 75A Qrr (typ.) = 200nC IRRM(typ.) = 6A trr(typ.) = 30ns di(rec)M/dt (typ.) = 190A/s 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 Absolute Maximum Ratings (per Leg) Parameter VR I F @ TC = 25C I F @ TC = 100C I FSM I AS EAS PD @ TC = 25C PD @ TC = 100C TJ TSTG Cathode-to-Anode Voltage Continuous Forward Current Continuous Forward Current Single Pulse Forward Current Maximum Single Pulse Avalanche Current Non-Repetitive Avalanche Energy Maximum Power Dissipation Maximum Power Dissipation Operating Junction and Storage Temperature Range Soldering Temperature, for 10 sec. TO-249AA Max. 400 75 36 300 5.0 1.4 125 50 -55 to +150 300 (0.063 in. (1.6mm) from case) Units V A mJ W C Thermal - Mechanical Characteristics Parameter RJC RCS Wt Junction-to-Case, Single Leg Conducting Junction-to-Case, Both Legs Conducting Case-to-Sink, Flat , Greased Surface Weight Mounting Torque Min. 35 (4.0) Typ. 0.10 58 (2.0) Max. 1.0 0.50 50 (5.7) Units C/W K/W g (oz) lbfin (Nm) Note: Limited by junction temperature L = 100H, duty cycle limited by max TJ 125C 5/5/97 HFA75MC40C Electrical Characteristics (per Leg) @ TJ = 25C (unless otherwise specified) Parameter VBR VFM Cathode Anode Breakdown Voltage Max Forward Voltage Min. Typ. Max. Units 400 1.1 1.3 1.3 1.5 1.0 1.2 0.50 3.0 0.75 4.0 90 125 8.0 V V A mA pF nH Test Conditions IR = 100A IF = 35A IF = 75A See Fig. 1 IF = 35A, T J = 125C VR = VR Rated See Fig. 2 TJ = 125C, VR = 320V VR = 200V See Fig. 3 From terminal hole to terminal hole IRM CT LS Max Reverse Leakage Current Junction Capacitance Series Inductance Dynamic Recovery Characteristics (per Leg) @ TJ = 25C (unless otherwise specified) Parameter trr trr1 trr2 IRRM1 IRRM2 Qrr1 Qrr2 di(rec)M/dt1 di(rec)M/dt2 Reverse Recovery Time Min. Typ. Max. Units Test Conditions Peak Recovery Current Reverse Recovery Charge Peak Rate of Fall of Recovery Current During tb 30 IF = 1.0A, dif /dt = 200A/s, VR = 30V 67 100 ns TJ = 25C See Fig. 110 170 TJ = 125C 5 IF = 35A 6.0 11 TJ = 25C See Fig. A 9.0 16 TJ = 125C 6 VR = 200V 200 540 TJ = 25C See Fig. nC 500 1300 TJ = 125C 7 dif/dt = 200A/s 240 TJ = 25C See Fig. A/s 190 TJ = 125C 8 6.60 (0.260) 6.10 (0.240) 12.70 (0.500) REF. 50.80 (2.000) REF. 4.95 (0.195) DIA. 4.45 (0.175) (7 PLCS.) 25.65 (1.010) 25.15 (0.990) 1 8.05 (0.317) 7.80 (0.307) 8.64 (0.340) REF. (3 PLCS.) 22.86 (0.900) REF. 2 3 1.14 (0.045) 0.76 (0.030) 13.21 (0.520) 12.70 (0.500) 11.43 (0.450) REF. LEAD ASSIGNMENTS 1 - ANODE 2 - CATHODE 3 - ANODE BASE (ISOLATED) Conforms to JEDEC Outline TO - 249AA Dimensions in millimeters and inches 38.35 (1.510) 37.85 (1.490) 1.27 (0.050) REF. 1.14 (0.045) 0.89 (0.035) 10.16 (0.400) 8.38 (0.330) 6.60 (0.260) 6.10 (0.240) 61.21 (2.410) 60.71 (2.390) 3.30 (0.130) 3.05 (0.120) HFA75MC40C 1000 10000 Reverse Current - I R (A) TJ = 150C 1000 Instantaneous Forward Current - I F (A) 100 T = 125C J 10 100 1 TJ = 25C 0.1 0 100 200 300 400 TJ = 150C TJ = 125C TJ = 25C 10 Fig. 2 - Typical Reverse Current vs. Reverse Voltage, (per Leg) Junction Capacitance - C T (pF) 1000 Reverse Voltage - VR (V) A T = 25C J 100 1 0.4 0.8 1.2 1.6 2.0 Forward Voltage Drop - V FM (V) Fig. 1 - Maximum Forward Voltage Drop vs. Instantaneous Forward Current, (per Leg) 10 1 10 100 1000 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance vs. Reverse Voltage, (per Leg) 10 Thermal Impedance - Z thJC (K/W) 1 0.1 D = 0.50 D = 0.33 D = 0.25 D = 0.17 D = 0.08 P DM t 0.01 Single Pulse (Thermal Resistance) 2 Notes: 1. Duty factor D = t / t 12 1 t 2. Peak T = PDM x Z thJC + T J C 0.0001 0.001 0.01 0.1 1 10 100 0.001 0.00001 t 1, Rectangular Pulse Duration (Seconds) Fig. 4 - Maximum Thermal Impedance Zthjc Characteristics, (per Leg) HFA75MC40C 160 100 140 VR = 200V TJ = 125C TJ = 25C VR = 200V TJ = 125C TJ = 25C 120 I IRRM - (A) t rr - (ns) I F =100A 10 100 I F = 100A 80 I F =35A I F = 20A I F = 35A I F = 20A 60 40 100 di f /dt - (A/s) 1000 1 100 di f /dt - (A/s) 1000 Fig. 5 - Typical Reverse Recovery vs. di f/dt, (per Leg) 2500 Fig. 6 - Typical Recovery Current vs. dif/dt, (per Leg) 10000 VR = 200V TJ = 125C TJ = 25C 2000 VR = 200V TJ = 125C TJ = 25C 1500 I F = 100A I F = 35A 1000 di(rec)M/dt - (A/s) Q RR - (nC) IF = 20A 1000 I F = 35A I F = 20A I F = 100A 500 0 100 di f /dt - (A/s) 1000 100 100 di f /dt - (A/s) 1000 Fig. 7 - Typical Stored Charge vs. dif/dt, (per Leg) Fig. 8 - Typical di(rec)M/dt vs. dif/dt, (per Leg) HFA75MC40C 3 IF trr ta tb 4 REVERSE RECOVERY CIRCUIT VR = 200V 0 Q rr I RRM 2 0.5 I RRM di(rec)M/dt 5 0.01 L = 70H D.U.T. D IRFP250 S 1 0.75 I RRM di f /dt 4. Qrr - Area under curve defined by trr and IRRM trr X IRRM Qrr = 2 5. di(rec)M/dt - Peak rate of change of current during tb portion of trr dif/dt ADJUST G 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. 9 - Reverse Recovery Parameter Test Circuit L = 100H HIGH-SPEED SWITCH Rg = 25 ohm CURRENT MONITOR FREE-WHEEL DIODE + Vd = 50V Fig. 10 - Reverse Recovery Waveform and Definitions I L(PK) DUT DECAY TIME V (AVAL) V R(RATED) Fig. 11 - Avalanche Test Circuit and Waveforms WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331 EUROPEAN HEADQUARTERS: Hurst Green, Oxted, Surrey RH8 9BB, UK Tel: ++ 44 1883 732020 IR CANADA: 7321 Victoria Park Ave., Suite 201, Markham, Ontario L3R 2Z8, Tel: (905) 475 1897 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: 315 Outram Road, #10-02 Tan Boon Liat Building, Singapore 0316 Tel: 65 221 8371 http://www.irf.com/ Data and specifications subject to change without notice. 5/97 |
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