PD -20503C 35CLQ045 SCHOTTKY RECTIFIER 35 Amp Description/Features Major Ratings and Characteristics Characteristics 35CLQ045 Units IF(AV) Rectangular Waveform 35 A VRRM 45 V I FSM @ tp = 8.3ms sine 300 A VF @ 20Apk, T J = 125°C (Per Leg) 0.57 V TJ, Tstg Operating and Storage -55 to 150 °C The 35CLQ045 center tap Schottky rectifier has been expressly designed to meet the rigorous requirements of hi -rel environments. It is packaged in the hermetic surface mount SMD-1 ceramic package and has extremely low reverse leakage at high temperature. Full MIL-PRF-19500 quality conformance testing is available on source control drawings to JANTX, JANTXV and S levels.Typical applications include switching power supplies and resonant power converters. • • • • Hermetically Sealed Low Forward Voltage Drop High Frequency Operation Guard Ring for Enhanced Ruggedness and Long Term Reliability • Surface Mount • Center Tap • Light Weight CASE STYLE 2 IR Case Style SMD-1 www.irf.com 1 3 ANODE COMMON ANODE CATHODE 1 12/22/99 35CLQ045 Voltage Ratings Part Number VR 35CLQ045 Max. DC Reverse Voltage (V) (Per Leg) 45 VRWM Max. Working Peak Reverse Voltage (V) (Per Leg) Absolute Maximum Ratings Parameters 35CLQ045 Units IF(AV) Max. Average Forward Current Conditions 35 A 50% duty cycle @ TC = 107°C,rectangular waveform 300 A @ tp = 8.3 ms sine See Fig.5 I I FSM Max. Peak One Cycle Non-Repetitive Surge Current (Per Leg) Electrical Specifications Parameters VFM Max. Forward Voltage Drop (Per Leg) I RM See Fig. 1 Max. Reverse Leakage Current (Per Leg) See Fig. 2 35CLQ045 Units 0.63 V @ 20A Conditions 0.75 V @ 35A 0.57 V @ 20A 0.71 V @ 35A 0.5 mA TJ = 25°C 20 mA TJ = 125°C TJ = 25°C TJ = 125°C VR = rated VR CT Max. Junction Capacitance (Per Leg) 1400 pF VR = 5VDC, (test signal range 100KHz to 1MHz) 25°C LS Typical Series Inductance (Per Leg) 2.8 nH Measured from center of bond pad to end of anode bonding wire Thermal-Mechanical Specifications Parameters 35CLQ045 Units TJ Max.Junction Temperature Range -55 to 150 °C Tstg Max. Storage Temperature Range -55 to 150 °C 1.40 °C/W DC operation 0.70 °C/W DC operation RthJC Max. Thermal Resistance, Junction Conditions See Fig. 4 to Case (Per Leg) RthJC Max. Thermal Resistance, Junction to case (Per Package) wt Weight (Typical) 2.6 g Die Description (Square) 0.15 inches Case Style SMD-1 Pulse Width < 300µs, Duty Cycle < 2% 2 www.irf.com 35CLQ045 100 Reverse Current - IR ( mA ) TJ = 150°C 10 10 125°C 100°C 1 0.1 0.01 25°C 0.001 A 0.0001 TJ = 1 5 0 ° C 0 TJ = 1 2 5 ° C TJ = 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage (Per Leg) 25°C 10000 Junction Capacitance - CT (pF) Instantaneous Forward Current - IF (A) 100 1 TJ = 25°C 1000 A 100 0.1 0.0 0.2 0.4 0.6 0.8 Forward Voltage Drop - VF M 1.0 1.2 (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) www.irf.com 0 10 20 30 40 50 Reverse Voltage - V R(V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) 3 35CLQ045 Thermal Response (Z thJC ) 10 1 D = 0.50 0.20 0.10 PDM 0.05 0.1 t1 0.02 0.01 SINGLE PULSE (THERMAL RESPONSE) t2 Notes: 1. Duty factor D = t 1 / t 2 2. Peak T J = P DM x Z thJC + TC 0.01 0.00001 0.0001 0.001 0.01 0.1 1 t1 , Rectangular Pulse Duration (sec) Fig. 4 - Max. Thermal Impedance ZthJC Characteristics (Per Leg) Allowable Case Temperature - (°C) 160 35CLQ045 R t h J C (DC) = 1.40°C/W 140 120 DC 100 80 A 60 0 10 20 30 40 50 60 Average Current - I -F ( IAFV )(A) (A) AverageForward Forward Current Fig. 5 - Max. Allowable Case Temperature Vs. Average Forward Current (Per Leg) WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 252-7105 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 JAPAN: 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 Data and specifications subject to change without notice. 12/99 4 www.irf.com