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| Bulletin PD-2.306 rev. G 12/03 31DQ09 31DQ10 SCHOTTKY RECTIFIER 3.3 Amp Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ tp = 5 s sine VF TJ @ 3 Apk, TJ = 25C Description/ Features Units A V A V C The 31DQ.. axial leaded Schottky rectifier has been optimized for very low forward voltage drop, with moderate leakage. Typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. Low profile, axial leaded outline High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability 31DQ.. 3.3 90/100 210 0.85 - 40 to 150 CASE STYLE AND DIMENSIONS Outline C - 16 Dimensions in millimeters and inches www.irf.com 1 31DQ09, 31DQ10 Bulletin PD-2.306 rev. G 12/03 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) 31DQ09 90 31DQ10 100 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current * See Fig. 4 IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current * See Fig. 6 Non-Repetitive Avalanche Energy Repetitive Avalanche Current 210 34 3.0 0.5 A mJ A 5s Sine or 3s Rect. pulse Following any rated load condition and with 10ms Sine or 6ms Rect. pulse rated VRRM applied TJ = 25 C, IAS = 1.0 Amps, L = 6 mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. VA = 1.5 x VR typical 31DQ.. 3.3 Units A Conditions 50% duty cycle @ TC = 53.4C, rectangular wave form Electrical Specifications Parameters VFM Max. Forward Voltage Drop * See Fig. 1 (1) 31DQ.. Units 0.85 0.97 0.69 0.80 V V V V mA mA pF nH V/s @ 3A @ 6A @ 3A @ 6A Conditions TJ = 25 C TJ = 125 C VR = rated VR IRM CT LS Max. Reverse Leakage Current * See Fig. 2 Typical Series Inductance (1) Typical Junction Capacitance 1 3 110 9.0 10000 TJ = 25 C TJ = 125 C VR = 5VDC (test signal range 100Khz to 1Mhz) 25C 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 Temperature Range Max. Storage Temperature Range 31DQ.. Units -40 to 150 -40 to 150 80 34 C C Conditions RthJA Max. Thermal Resistance Junction to Ambient RthJL Typical Thermal Resistance Junction to Lead wt Approximate Weight Case Style C/W DC operation Without cooling fins C/W DC operation 1.2 (0.042) g (oz.) C - 16 2 www.irf.com 31DQ09, 31DQ10 Bulletin PD-2.306 rev. G 12/03 10 T J = 150C 10 Reverse Current - IR (mA) 1 0.1 0.01 0.001 25C 125C 0.0001 0 0 20 40 60 80 100 Reverse Voltage - VR (V) Instantaneous Forward Current - IF (A) TJ = 150C 1 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage TJ = 125C TJ = 25C 1000 Junction Capacitance - C T (pF) T = 25C J 100 0.1 0 0.3 0.6 0.9 1.2 Forward Voltage Drop - V FM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics 10 0 40 80 120 160 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage www.irf.com 3 31DQ09, 31DQ10 Bulletin PD-2.306 rev. G 12/03 150 Allowable Lead Temperature (C) Average Power Loss (Watts) 4 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC RMS Limit 120 DC 3 90 2 60 Square wave (D = 0.50) 80% Rated V applied R 30 see note (2) 1 0 0 1 2 3 4 5 Average Forward Current - IF(AV) (A) Fig. 4 - Max. Allowable Lead Temperature Vs. Average Forward Current 0 0 1 2 3 4 5 Average Forward Current - IF(AV) (A) Fig. 5- Forward Power Loss Characteristics Non-Repetitive Surge Current - I FSM (A) 1000 At Any Rated Load Condition And With Rated VRRM Applied Following Surge 100 10 10 100 1000 10000 Square Wave Pulse Duration - tp (microsec) Fig. 6 - Max. 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 @ V R1 = 80% rated VR 4 www.irf.com 31DQ09, 31DQ10 Bulletin PD-2.306 rev. G 12/03 Ordering Information Table Device Code 31 1 1 2 3 4 5 - D 2 Q 3 10 4 TR 5 31 = 3.3A (Axial and small packages - Current is x10) D = DO-41 package Q = Schottky Q.. Series 10 = Voltage Ratings TR = Tape & Reel package (1200 pcs) = Box package (500 pcs) 10 = 100V 09 = 90V 31DQ10 ******************************************** * SPICE Model Diode * ******************************************** .SUBCKT 31DQ10 ANO CAT D1 ANO 1 CAT *Define diode model .MODEL DMOD D(Is=56.46E-06 N=2.202 Rs=28.27E-03 Ikf=0.5957 Xti=2 Eg=1.11 + Cjo=199.3E-12 M=0.4572 Vj=1.873 Fc=0.5 Isr=165.6E-24 Nr=4.955 + Bv=119.9 Ibv=215.5E-06 Tt=21.64E-09) ******************************************** .ENDS 31DQ10 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. 12/03 www.irf.com 5 |
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