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| PD - 95078A IRFR420PBF IRFU420PbF * Lead-Free www.irf.com 1 1/7/05 IRFR/U420PbF 2 www.irf.com IRFR/U420PbF www.irf.com 3 IRFR/U420PbF 4 www.irf.com IRFR/U420PbF www.irf.com 5 IRFR/U420PbF 6 www.irf.com IRFR/U420PbF Peak Diode Recovery dv/dt Test Circuit + Circuit Layout Considerations * Low Stray Inductance * Ground Plane * Low Leakage Inductance Current Transformer + + - * dv/dt controlled by RG * ISD controlled by Duty Factor "D" * D.U.T. - Device Under Test + - * Reverse Polarity for P-Channel ** Use P-Channel Driver for P-Channel Measurements Driver Gate Drive P.W. Period D= P.W. Period VGS=10V D.U.T. ISD Waveform Reverse Recovery Current Body Diode Forward Current di/dt D.U.T. VDS Waveform Diode Recovery dv/dt VDD Re-Applied Voltage Inductor Curent Body Diode Forward Drop Ripple 5% ISD *** VGS = 5.0V for Logic Level and 3V Drive Devices Fig 14 For N Channel HEXFETS www.irf.com 7 IRFR/U420PbF D-Pak (TO-252AA) Package Outline Dimensions are shown in millimeters (inches) D-Pak (TO-252AA) Part Marking Information EXAMPLE: THIS IS AN IRFR120 WITH ASSEMBLY LOT CODE 1234 ASSEMBLED ON WW 16, 1999 IN THE ASSEMBLY LINE "A" Note: "P" in ass embly line position indicates "Lead-F ree" PART NUMBER INT ERNATIONAL RECTIFIER LOGO IRFU120 12 916A 34 ASS EMBLY LOT CODE DAT E CODE YEAR 9 = 1999 WEEK 16 LINE A OR PART NUMBER INT ERNATIONAL RECTIFIER LOGO IRFU120 12 34 DATE CODE P = DESIGNAT ES LEAD-FREE PRODUCT (OPTIONAL) YEAR 9 = 1999 WEEK 16 A = ASS EMBLY SITE CODE ASSEMBLY LOT CODE 8 www.irf.com IRFR/U420PbF I-Pak (TO-251AA) Package Outline Dimensions are shown in millimeters (inches) I-Pak (TO-251AA) Part Marking Information EXAMPLE: THIS IS AN IRF U120 WITH ASSEMBLY LOT CODE 5678 ASSEMBLED ON WW 19, 1999 IN THE ASSEMBLY LINE "A" Note: "P" in as s embly line pos ition indicates "Lead-Free" PART NUMBER INT ERNAT IONAL RECT IFIER LOGO IRFU120 919A 56 78 ASSEMBLY LOT CODE DAT E CODE YEAR 9 = 1999 WEEK 19 LINE A OR PART NUMBE R INT ERNAT IONAL RECTIF IER LOGO IRFU120 56 78 AS SEMBLY LOT CODE DATE CODE P = DES IGNAT ES LEAD-F REE PRODUCT (OPTIONAL) YEAR 9 = 1999 WE EK 19 A = ASS EMBLY SIT E CODE www.irf.com 9 IRFR/U420PbF D-Pak (TO-252AA) Tape & Reel Information Dimensions are shown in millimeters (inches) TR TRR TRL 16.3 ( .641 ) 15.7 ( .619 ) 16.3 ( .641 ) 15.7 ( .619 ) 12.1 ( .476 ) 11.9 ( .469 ) FEED DIRECTION 8.1 ( .318 ) 7.9 ( .312 ) FEED DIRECTION NOTES : 1. CONTROLLING DIMENSION : MILLIMETER. 2. ALL DIMENSIONS ARE SHOWN IN MILLIMETERS ( INCHES ). 3. OUTLINE CONFORMS TO EIA-481 & EIA-541. 13 INCH 16 mm NOTES : 1. OUTLINE CONFORMS TO EIA-481. Data and specifications subject to change without notice. IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 TAC Fax: (310) 252-7903 Visit us at www.irf.com for sales contact information.01/05 10 www.irf.com |
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