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| PD -93965 SCHOTTKY RECTIFIER HIGH EFFICIENCY SERIES 35SCGQ045 35 Amp, 45V Major Ratings and Characteristics Characteristics IF(AV) VRRM (Per Leg) IFSM @ tp = 8.3ms half-sine (Per Leg) VF @ 30Apk, TJ =125C (Per Leg) 35SCGQ045 Units 35 45 A V Description/Features The 35SCGQ045 center tap Schottky rectifier has been expressly designed to meet the rigorous requirements of hirel environments. It is packaged in the hermetic isolated TO-254AA package. The device's forward voltage drop and reverse leakage current are optimized for the lowest power loss and the highest circuit efficiency for typical high frequency switching power supplies and resonent power converters. Full MIL-PRF-19500 quality conformance testing is available on source control drawings to TX, TXV and S quality levels. Hermetically Sealed Center Tap Low Forward Voltage Drop High Frequency Operation Guard Ring for Enhanced Ruggedness and Long term Reliability * Lightweight * * * * * 200 0.74 A V TJ, Tstg Operating and storage -55 to 150 C .12 ( .005 ) CASE STYLE 3.78 ( .149 ) 3.53 ( .139 ) -A- 13.84 ( .545 ) 13.59 ( .535 ) 6.60 ( .260 ) 6.32 ( .249 ) -B1.27 ( .050 ) 1.02 ( .040 ) 17.40 ( .685 ) 16.89 ( .665 ) 31.40 ( 1.235 ) 30.39 ( 1.199 ) 1 2 3 20.32 ( .800 ) 20.07 ( .790 ) 13.84 ( .545 ) 13.59 ( .535 ) -C- LEGE ND 1 - CO LL 2 - E MIT 3 - GA TE 3X 3.81 ( .150 ) 2X 1.14 ( .045 ) 0.89 ( .035 ) .50 ( .020 ) .25 ( .010 ) M C AM B MC 3.81 ( .150 ) 2 1 3 ANODE COMMONANODE CATHODE IR Case Style TO-254AA www.irf.com 1 10/04/00 35SCGQ045 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) (Per Leg) VRWM Max. Working Peak Reverse Voltage (V) (Per Leg) 35SCGQ045 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current See Fig. 5 IFSM Max. Peak One Cycle Non - Repetitive Surge Current (Per Leg) 200 A @ tp = 8.3 ms half-sine Limits 35 Units A Conditions 50% duty cycle @ TC = 116 C, square waveform Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) See Fig. 1 Limits 0.61 0.74 0.54 0.73 0.47 0.74 Units V V V V V V mA mA mA pF nH @ 15A @ 30A @ 15A @ 30A @ 15A @ 30A TJ = 25C TJ = 100C TJ = 125C Conditions TJ = -55C TJ = 25C TJ = 125C I RM Max. Reverse Leakage Current (Per Leg) See Fig. 2 0.70 75 160 VR = rated VR CT LS Max. Junction Capacitance (Per Leg) Typical Series Inductance (Per Leg) 2000 7.8 VR = 5VDC ( 1MHz, 25C ) Measured from anode lead to cathode lead 6mm ( 0.025 in.) from package Thermal-Mechanical Specifications Parameters TJ Tstg Max.Junction Temperature Range Max. Storage Temperature Range to Case (Per Leg) RthJC Max. Thermal Resistance, Junction to Case (Per Package) wt Weight (Typical) Die Size (Typical) Case Style Pulse Width < 300s, Duty Cycle < 2% 9.3 150X180 g mils 0.63 C/W DC operation Limits Units -55 to 150 -55 to 150 1.25 C C C/W DC operation Conditions RthJC Max. Thermal Resistance, Junction See Fig. 4 TO-254AA 2 www.irf.com 35SCGQ045 1000 Reverse Current - I R ( mA ) 100 125C 100C 10 75C 1 100 25C 0.1 0.01 0 10 20 30 40 50 Reverse Voltage - VR (V) Instantaneous Forward Current - I F (A) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage (Per Leg) 10 10000 Tj = 125C Tj = 25C Junction Capacitance - CT (pF) T J = 25C 1000 Tj = -55C 1 0.0 0.2 0.4 0.6 0.8 1.0 Forward Voltage Drop - V F (V) 100 Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 0 10 20 30 40 50 Reverse Voltage -V R (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) www.irf.com 3 35SCGQ045 10 Thermal Response (Z thJC ) 1 D = 0.50 0.20 0.10 0.1 0.05 0.02 0.01 SINGLE PULSE (THERMAL RESPONSE) Notes: 1. Duty factor D = t 1 / t 2 2. Peak TJ = P DM x Z thJC + TC 0.0001 0.001 0.01 0.1 1 PDM t1 t2 0.01 0.00001 t1 , Rectangular Pulse Duration (sec) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) 180 160 35SCGQ045 R thJC = 1.25C/W Allowable Case Temprature - (C) 140 120 100 80 60 40 20 0 0 10 20 30 40 50 60 DC Average Forward Current - I F(AV) (A) Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 IR EUROPEAN REGIONAL CENTRE: 439/445 Godstone Rd, Whyteleafe, Surrey CR3 OBL, UK Tel: ++ 44 (0)20 8645 8000 IR CANADA: 15 Lincoln Court, Brampton, Ontario L6T3Z2, Tel: (905) 453 2200 IR GERMANY: Saalburgstrasse 157, 61350 Bad Homburg Tel: ++ 49 (0) 6172 96590 IR ITALY: Via Liguria 49, 10071 Borgaro, Torino Tel: ++ 39 011 451 0111 IR JAPAN: K&H Bldg., 2F, 30-4 Nishi-Ikebukuro 3-Chome, Toshima-Ku, Tokyo 171 Tel: 81 (0)3 3983 0086 IR SOUTHEAST ASIA: 1 Kim Seng Promenade, Great World City West Tower, 13-11, Singapore 237994 Tel: ++ 65 (0)838 4630 IR TAIWAN:16 Fl. Suite D. 207, Sec. 2, Tun Haw South Road, Taipei, 10673 Tel: 886-(0)2 2377 9936 Data and specifications subject to change without notice. 10/00 4 www.irf.com |
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