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| Bulletin PD-20488 12/01 UFB120FA40 Insulated Ultrafast Rectifier Module Features * * * * * * * * * * Two Fully Independent Diodes Ceramic Fully Insulated Package (VISOL = 2500V AC) Ultrafast Reverse Recovery Ultrasoft Reverse Recovery Current Shape Low Forward Voltage Optimized for Power Conversion: Welding and Industrial SMPS Applications Industry Standard Outline Plug-in Compatible with other SOT-227 Packages Easy to Assemble Direct Mounting to Heatsink trr = 35ns IF(AV) = 120A @ TC = 65C VR = 400V Description The UFB120FA40 insulated modules integrate two state-of-the-art International Rectifier's Ultrafast recovery rectifiers in the compact, industry standard SOT-227 package. The planar structure of the diodes, and the platinum doping lifetime control, provide a Ultrasoft recovery current shape, together with the best overall performance, ruggedness and reliability characteristics. These devices are thus intended for high frequency applications in which the switching energy is designed not to be predominant portion of the total energy, such as in the output rectification stage of Welding machines, SMPS, DCDC converters. Their extremely optimized stored charge and low recovery current reduce both over dissipation in the switching elements (and snubbers) and EMI/ RFI. Absolute Maximum Ratings Parameters VR IF IFSM PD VISOL TJ, TSTG Cathode-to-Anode Voltage Continuous Forward Current, TC = 65C Single Pulse Forward Current, TC = 25C Max. Power Dissipation, TC @ 90C Operating Junction and Storage Temperatures Per Diode Per Diode Per Module Max 400 60 800 96 2500 - 55 to 150 Units V A W V C RMS Isolation Voltage, Any Terminal to Case, t = 1 min Case Styles UFB120FA40 1 4 SOT-227 www.irf.com 2 3 1 UFB120FA40 Bulletin PD-20488 12/01 Electrical Characteristics @ TJ = 25C (unless otherwise specified) per diode Parameters VBR VFM Cathode Anode Breakdown Voltage Forward Voltage Min Typ Max Units Test Conditions 400 V V V mA mA pF IR = 100A IF = 60A IF = 60A, TJ = 150C VR = VR Rated TJ = 150C, VR = VR Rated VR = 400V 1.16 1.37 0.96 1.13 67 0.1 1 - IRM Reverse Leakage Current - CT Junction Capacitance - Dynamic Recovery Characteristics @ TJ = 25C (unless otherwise specified) per diode Parameters trr Reverse Recovery Time Min Typ Max Units Test Conditions 30 65 128 7.4 17.8 240 1139 35 nC A ns IF = 1.0A, diF/dt = 200A/s, VR = 30V TJ = 25C TJ = 125C TJ = 25C TJ = 125C TJ = 25C TJ = 125C IF = 50A VR = 200V diF /dt = 200A/s IRRM Peak Recovery Current - Qrr Reverse Recovery Charge - Thermal - Mechanical Characteristics Parameters RthJC RthCS Wt T Junction to Case Single Diode Conducting Both Diodes Conducting Case to Heat Sink, Flat, Greased Surface Weight Mounting Torque Min - Typ 0.99 0.49 0.05 30 1.3 Max 1.24 0.62 - Units C/W C/W g (N*m) 2 www.irf.com UFB120FA40 Bulletin PD-20488 12/01 1000 100 Tj = 150C Reverse Current - I R (A) 10 1 0.1 125C 25C Instantaneous Forward Current - I F (A) 100 0.01 0.001 0 100 200 300 400 Reverse Voltage - VR (V) Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage Tj = 150C Junction Capacitance - C T (pF) 1000 Tj = 125C 10 Tj = 25C 100 Tj = 25C 1 0 0.5 1 1.5 2 Forward Voltage Drop - VFM (V) Fig. 1 - Typical Forward Voltage Drop Characteristics (per diode) 10 Thermal Impedance Z thJC (C/W) 10 1 10 100 1000 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 1 Single Pulse (Thermal Impedance) PDM t1 0.1 Notes: 1. Duty factor D = t1/ t2 t2 2. Peak Tj = Pdm x ZthJC + Tc 0.01 0.0001 0.001 0.01 0.1 t 1, Rectangular Pulse Duration (Seconds) 1 10 Fig. 4 - Max. Thermal Impedance Z thJC (per diode) www.irf.com 3 UFB120FA40 Bulletin PD-20488 12/01 160 Allowable Case Temperature (C) Average Power Loss ( Watts ) 70 RMS Limit 140 120 DC 60 50 DC 100 80 Square wave (D = 0.50) 60 80% Rated Vr applied 40 30 20 10 0 0 10 20 30 40 50 60 70 Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss (per diode) 40 see note (3) 20 0 10 20 30 40 50 60 70 Average Forward Current - IF(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (per diode) D = 0.01 D = 0.02 D = 0.05 D = 0.10 D = 0.20 D = 0.50 160 150 140 130 120 110 100 90 80 70 60 50 100 1000 Tj = 25C Qrr ( nC ) trr ( ns ) 3050 If = 50A Vrr = 200V If = 50A Vrr = 200V 2550 Tj = 125C 2050 Tj = 125C 1550 1050 Tj = 25C 550 di F /dt (A/s ) 50 100 di F /dt (A/s ) 1000 Fig. 7 - Typical Reverse Recovery time vs. di F /dt Fig. 8 - Typical Stored Charge vs. di F /dt (3) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com UFB120FA40 Bulletin PD-20488 12/01 3 IF trr ta tb 4 VR = 200V 0 2 Q rr I RRM 0.01 L = 70H D.U.T. dif/dt ADJUST D G IRFP250 S 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 1 0.5 I RRM di(rec)M/dt 0.75 I RRM 5 di f /dt 4. Qrr - Area under curve defined by t rr and IRRM Q rr = t rr x I 2 RRM 5. di (rec) M / dt - Peak rate of change of current during t b portion of t rr Fig. 1 - Reverse Recovery Parameter Test Circuit Fig. 2 - Reverse Recovery Waveform and Definitions SOT-227 Package Details LEAD ASSIGNMENTS FRED Notes: 1. Dimensioning & tolerancing per ANSI Y14.5M-1982. 2. Controlling dimension: millimeter. 3. Dimensions are shown in millimeters (inches). www.irf.com 5 UFB120FA40 Bulletin PD-20488 12/01 SOT-227 Package Details Tube QUANTITIES PER TUBE IS 10 M4 SCREW AND WASHER INCLUDED Ordering Information Table Device Code UF 1 B 2 120 3 F 4 A 5 40 6 1 2 3 4 5 6 - ULTRAFAST RECTIFIER Ultrafst Pt diffused Current Rating Circuit Configuration Package Indicator Voltage Rating (120 = 120A) (2 separate Diodes, parallel pin-out) (SOT-227 Standard Isolated Base) (40 = 400V) Data and specifications subject to change without notice. This product has been designed and qualified for Industrial Level. Qualification Standards can be found on IR's Web site. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7309 Visit us at www.irf.com for sales contact information. 12/01 6 www.irf.com |
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