Bulletin PD-2.047 rev. E 12/01 80SQ... SERIES SCHOTTKY RECTIFIER 8 Amp Major Ratings and Characteristics Description/Features Characteristics 80SQ... Units IF(AV) Rectangular 8 A 35 to 45 V IFSM @ tp = 5 µs sine 2400 A VF @ 8 Apk, TJ = 125°C 0.44 V TJ range - 55 to 175 °C waveform VRRM range The 80SQ axial leaded Schottky rectifier series has been optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 175°C junction temperature. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 175° C TJ operation High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability CASE STYLE AND DIMENSIONS Conforms to JEDEC Outline DO - 204AR Dimensions in millimeters and inches www.irf.com 1 80SQ... Series Bulletin PD-2.047 rev. E 12/01 Voltage Ratings Part number VR 80SQ035 80SQ040 80SQ045 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 80SQ Units 8 A Max. Peak One Cycle Non-Repetitive 2400 Surge Current * See Fig. 7 380 A EAS Non-Repetitive Avalanche Energy 10 mJ IAR Repetitive Avalanche Current 1.6 A Conditions 50% duty cycle @ TC = 119° 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 = 1.6 Amps, L = 7.8 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 80SQ Units (1) 0.53 V @ 8A 0.60 V @ 16A 0.44 V @ 8A 0.55 V @ 16A Max. Reverse Leakage Current (1) 2 mA TJ = 25 °C * See Fig. 2 15 mA TJ = 125 °C * See Fig. 1 IRM Conditions 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 80SQ Units TJ Max. Junction Temperature Range -55 to 175 Tstg Max. Storage Temperature Range -55 to 175 °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 Conditions °C 44 DC operation * See Fig. 4 1/8 inch lead length °C/W 1.4(0.049) g (oz.) DO - 204AR JEDEC www.irf.com 80SQ... Series Bulletin PD-2.047 rev. E 12/01 1000 ReverseCurrent - I (mA) R 10 100 T =175°C J 10 150°C 125°C 1 100°C .1 75°C 50°C .01 25°C .001 .0001 0 5 10 15 20 25 30 35 40 45 ReverseVoltage- VR(V) T =175°C J Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage T =125°C J 1000 T = 25°C J JunctionCapacitance- C (pF) T Instantaneous ForwardCurrent - IF (A) 100 1 .1 0 .1 .2 .3 .4 .5 .6 .7 .8 .9 T =25°C J 100 0 1 1.1 10 20 30 40 50 ReverseVoltage- V (V) R ForwardVoltageDrop- VFM(V) 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 J=P DMxZthJL+TC .01 .1 1 10 100 t , Rectangular PulseDuration(Seconds) 1 Fig. 4 - Maximum Thermal Impedance ZthJL Characteristics www.irf.com 3 80SQ... Series Bulletin PD-2.047 rev. E 12/01 6 80SQ RthJL (DC) =8.0°C/W 170 160 DC 150 140 =1/8inch 130 0 2 4 6 8 10 D=0.08 D=0.17 D=0.25 D=0.33 D=0.50 5 AveragePower Loss- (W atts) AllowableCaseTem perature- (°C) 180 4 DC 3 RMSLimit 2 1 0 0 12 AverageForwardCurrent - IF(AV) (A) 2 4 6 8 10 12 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 UR RE N T M O N ITO R H IG H -SPE ED SW ITC H FREE-W HE EL D IO D E + V d = 25 V olt 40H FL40S02 Fig. 8 - Unclamped Inductive Test Circuit 4 www.irf.com 80SQ... Series Bulletin PD-2.047 rev. E 12/01 Ordering Information Table Device Code 80 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