Bulletin PD-2.222 rev. C 12/01 90SQ... SERIES 9 Amp SCHOTTKY RECTIFIER Description/Features Major Ratings and Characteristics The 90SQ axial leaded Schottky rectifier series has been optimized for very low forward voltage drop, with moderate leakage. The proprietary barrier technology allows for reliable operation up to 150°C junction temperature. Typical applications are in switching power supplies, converters, freewheeling diodes, and reverse battery protection. Characteristics 90SQ... Units IF(AV) Rectangular 9 A 35 to 45 V IFSM @ tp = 5 µs sine 2150 A 150° C TJ operation High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance VF @ 9 Apk, TJ = 125°C 0.42 V Very low forward voltage drop TJ range - 55 to 150 °C Guard ring for enhanced ruggedness and long term reliability waveform VRRM range High frequency operation CASE STYLE AND DIMENSIONS Conforms to JEDEC Outline DO - 204AR Dimensions in millimeters and inches www.irf.com 1 90SQ... Series Bulletin PD-2.222 rev. C 12/01 Voltage Ratings Part number VR 90SQ035 90SQ040 90SQ045 Max. DC Reverse Voltage (V) 35 VRWM Max. Working Peak Reverse Voltage (V) 40 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM 90SQ Units 9 A Max. Peak One Cycle Non-Repetitive 2150 A Surge Current * See Fig. 7 340 EAS Non-Repetitive Avalanche Energy 12 mJ IAR Repetitive Avalanche Current 1.8 A Conditions 50% duty cycle @ TC = 69° C, rectangular wave form 5µs Sine or 3µs Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 1.8 Amps, L = 7.4 mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop 90SQ Units (1) * See Fig. 1 IRM Max. Reverse Leakage Current (1) * See Fig. 2 Conditions 0.48 V @ 9A 0.57 V @ 18A 0.42 V @ 9A 0.52 V @ 18A 1.75 mA TJ = 25 °C 70 mA TJ = 125 °C TJ = 25 °C TJ = 125 °C VR = rated VR CT Max. Junction Capacitance 900 pF VR = 5VDC, (test signal range 100Khz to 1Mhz) 25 °C LS Typical Series Inductance 10.0 nH Measured lead to lead 5mm from body 10000 V/ µs dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters Max. Junction Temperature Range -55 to 150 Tstg Max. Storage Temperature Range -55 to 150 °C 8.0 °C/W RthJL Max. Thermal Resistance Junction to Lead RthJA Typical Thermal Resistance, Junction to Air wt Approximate Weight Case Style 2 90SQ Units TJ Conditions °C 44 DC operation * See Fig. 4 1/8 inch lead leangth °C/W 1.4(0.049) g (oz.) DO - 204AR JEDEC www.irf.com 90SQ... Series Bulletin PD-2.222 rev. C 12/01 100 1000 T =150°C J ReverseCurrent - I (mA) R 10 125°C 10 100°C 1 75°C .1 50°C 25°C .01 .001 0 5 10 15 20 25 30 35 40 45 ReverseVoltage- VR (V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T J=150°C 1000 T J=125°C 1 JunctionCapacitance- C (pF) T Instantaneous ForwardCurrent - IF (A) 100 T J= 25°C T =25°C J 100 0 .1 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 1 1.1 1.2 10 20 30 40 50 ReverseVoltage- V (V) R ForwardVoltageDrop- V (V) FM Fig. 1 - Maximum Forward Voltage Drop Characteristics Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage Thermal Impedance- ZthJL (°C/W ) 10 D=0.50 D=0.33 D=0.25 1 =1/8inch D=0.17 P DM D=0.08 t 1 t2 .1 Notes: 1. Dutyfactor D= t1/ t2 SinglePulse (Thermal Resistance) .01 .00001 .0001 .001 2. PeakT =P xZ +T J DM thJL C .01 .1 1 10 100 t1, Rectangular PulseDuration(Seconds) Fig. 4 - Maximum Thermal Impedance ZthJL Characteristics www.irf.com 3 90SQ... Series Bulletin PD-2.222 rev. C 12/01 6 90SQ RthJL (DC) =8.0°C/W 145 5 AveragePower Loss- (W atts) AllowableCaseTem perature- (°C) 155 135 125 DC 115 105 4 D=0.08 D=0.17 D=0.25 D=0.33 D=0.50 3 RMSLimit DC 2 1 =1/8inch 95 0 2 4 6 8 10 12 0 0 14 AverageForwardCurrent - I (A) F(AV) 2 4 6 8 10 12 14 AverageForwardCurrent - I (A) F(AV) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Fig. 6 - Forward Power Loss Characteristics (A) 10000 Non-Repetitive Surge Current - I FSM At Any Rated Load Condition And With Rated VRRM Applied Following Surge 1000 100 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current L D UT IRFP460 Rg = 25 ohm C URRE NT M O N ITO R H IG H-SPE ED SW ITC H FR EE-W H E EL D IO D E + V d = 25 V olt 40H FL40 S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com 90SQ... Series Bulletin PD-2.222 rev. C 12/01 Ordering Information Table Device Code 90 S Q 045 1 2 3 4 1 - Essential Part Number (current x10) 2 - S = DO-204AR 3 - Q = Schottky Q Series 035 = 35V 4 - Voltage Rating 040 = 40V 045 = 45V 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 www.irf.com 5