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| Bulletin PD-20754 rev. A 02/02 STPS1045B SCHOTTKY RECTIFIER 10 Amp D-Pak (TO-252AA) Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM VF TJ @ tp = 5 s sine @ 10 Apk, TJ = 125C range Description/Features The STPS1045B surface mount Schottky rectifier has been designed for applications requiring low forward drop and small foot prints on PC board. Typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. Popular D-PAK outline Small foot print, surface moutable Low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability STPS1045B Units 10 45 390 0.57 - 40 to 175 A V A V C 6.73 (0.26) 6.35 (0.25) 5.46 (0.21) 5.21 (0.20) 4 1.27 (0.05) 0.88 (0.03) 2.38 (0.09) 2.19 (0.08) 1.14 (0.04) 0.89 (0.03) 0.58 (0.02) 0.46 (0.02) MINIMUM RECOMMENDED FOOTPRINT 5.97 (0.24) 6.45 (0.24) 6.22 (0.24) 1.64 (0.02) 1 2 3 5.97 (0.23) 10.42 (0.41) 9.40 (0.37) 0.51 (0.02) MIN. 5.68 (0.22) 6.48 (0.26) 10.67 (0.42) 1.52 (0.06) 1.15 (0.04) 1.14 (0.04) 0.76 (0.03) 2.28 (0.09) 2x 4.57 (0.18) 3x 0.89 (0.03) 0.64 (0.02) 2x 2.54 (0.10) 2.28 (0.09) 1.65 (0.06) 2x 2x 0.58 (0.02) 0.46 (0.02) 2x 1 - Anode 2 - Cathode 3 - Anode 4 - Cathode Base Cathode 4 Conform to JEDEC outline D-Pak (Similar to TO-252AA) Dimensions in millimeters and (inches) 2 Cathode 1 3 Anode Anode www.irf.com 1 STPS1045B Bulletin PD-20754 rev. A 02/02 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) STPS1045B 45 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 5 IFSM EAS IAR Max.PeakOneCycleNon-Repetitive Surge Current * See Fig. 7 Non-Repetitive Avalanche Energy Repetitive Avalanche Current 390 75 20 3.0 A mJ A 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied Value 10 Units Conditions A 50% duty cycle @ TC = 151C, rectangular wave form TJ = 25 C, IAS = 3.0 Amps, L = 4.40 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical Electrical Specifications Parameters VFM Max. Forward Voltage Drop * See Fig. 1 (1) Value 0.63 0.84 0.57 0.72 Units Conditions V V V V mA mA pF nH V/ s @ 10A @ 20A @ 10A @ 20A TJ = 25 C TJ = 125 C V R TJ = 25 C TJ = 125 C VR = rated VR (test signal range 100Khz to 1Mhz) 25 C IRM CT LS Max. Reverse Leakage Current * See Fig. 2 (1) Typical Junction Capacitance Typical Series Inductance 0.2 15 760 5.0 10000 = 5V DC Measured lead to lead 5mm from package body (Rated VR) dv/dt Max. Voltage Rate of Change (1) Pulse Width < 300s, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters TJ Tstg Max. Junction Temper. Range (*) Max.StorageTemperatureRange Value - 40 to 175 - 40 to 175 3.0 50 0.3 (0.01) D - PAK Units C C Conditions RthJC Max.ThermalResistanceJunction to Case RthJA Max.ThermalResistanceJunction to Ambient wt Approximate Weight Case Style (*) dPtot dTj < 1 Rth( j-a) C/W DCoperation C/W g (oz.) * See Fig. 4 Similar to TO-252AA thermal runaway condition for a diode on its own heatsink 2 www.irf.com STPS1045B Bulletin PD-20754 rev. A 02/02 100 1000 T = 175C 100 Reverse Current (mA) J 150C 125C 100C 10 1 75C 0.1 0.01 50C 25C Instantaneous Forward Current - I F (A) 0.001 0.0001 0 10 10 20 30 40 50 Reverse Voltage - VR (V) Fig. 2 - Typical Values of Reverse Current Vs. Reverse Voltage 10000 Junction Capacitance C T (pF) T J = 25C Tj = 175C Tj = 125C Tj = 25C 1000 1 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 Forward Voltage Drop - V FM (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics 100 0 10 20 30 40 50 Reverse Voltage - V R (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage 10 Thermal Impedance - Z thJC (C/W) 1 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 0.1 Single Pulse (Thermal Resistance) Notes: 1. Duty factor D = t1/ t2 t2 2. Peak Tj = Pdm x ZthJC + Tc 0.01 0.00001 0.0001 0.001 0.01 0.1 thJC 1 10 t1, Rectangular Pulse Duration (Seconds) Fig. 4 - Maximum Thermal Impedance Z Characteristics www.irf.com 3 STPS1045B Bulletin PD-20754 rev. A 02/02 180 Allowable Case Temperature (C) Average Power Loss (Watts) 16 14 12 10 8 6 4 2 0 0 2 4 6 8 10 12 14 16 DC D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit 170 DC 160 150 Square wave (D = 0.50) 80% Rated Vr applied see note (2) 140 0 2 4 6 8 10 12 14 16 Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Allowable Case Temperature Vs. Average Forward Current Average Forward Current - I F(AV) (A) Fig. 6 - Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 1000 100 At Any Rated Load Condition And With Rated Vrrm Applied Following Surge 10 10 100 1000 10000 Square Wave Pulse Duration - t p (microsec) Fig. 7 - Maximum Non-Repetitive Surge Current (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com STPS1045B Bulletin PD-20754 rev. A 02/02 Marking Information EXAMPLE: THIS IS A STPS1045B INTERNATIONAL RECTIFIER LOGO 4 (K) PART NUMBER STPS1045B 9712 5K3A ASSEMBLY LOT CODE 2 (K) DATE CODE (YYWW) YY = YEAR WW = WEEK 1 (A) 3 (A) Tape & Reel Information 4.1 (0.16) 3.9 (0.15) TR 2.1 (0.83) 1.9 (0.07) 1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29) 12.1 (0.48) 11.9 (0.47) 2.6 (0.10) DIA. 1.5 (0.06) 0.35 (0.01) 0.25 (0.01) 16.3 (0.64) 15.7 (0.62) 7.0 (0.28) 6.8 (0.26) 2.75 (0.11) 2.55 (0.10) FEED DIRECTION 4.1 (0.16) 3.9 (0.15) TRR 2.1 (0.83) 1.9 (0.07) 1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29) 0.35 (0.01) 0.25 (0.01) 10.6 (0.42) 10.4 (0.41) 2.75 (0.11) 2.55 (0.10) 16.3 (0.64) 15.7 (0.62) FEED DIRECTION 8.1 (0.32) 7.9 (0.31) 2.6 (0.10) DIA. 1.5 (0.06) 1.85 (0.07) DIA. 1.65 (0.06) 1.85 (0.07) 1.65 (0.06) 7.6 (0.30) 7.4 (0.29) 4.1 (0.16) 3.9 (0.15) TRL 2.1 (0.83) 1.9 (0.07) 0.35 (0.01) 0.25 (0.01) 16.3 (0.64) 15.7 (0.62) 10.6 (0.42) 10.4 (0.41) 2.75 (0.11) 2.55 (0.10) FEED DIRECTION 8.1 (0.32) 7.9 (0.31) 2.6 (0.10) DIA. 1.5 (0.06) 13 (0.52) DIA. 22.4 (0.88) TO-252AA Tape & Reel When ordering, indicate the part number, part orientation, and the quantity. Quantities are in multiples of 2,000 pieces per reel for TR and multiples of 3,000 pieces per reel for both TRL and TRR. 375 (14.17) DIA. MAX. 50 (1.97) DIA. www.irf.com 5 STPS1045B Bulletin PD-20754 rev. A 02/02 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. 02/02 6 www.irf.com |
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