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| Bulletin PD-20645 rev. B 03/02 MBRS320 SCHOTTKY RECTIFIER 3 Amp SMC Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM @ t p= 5 s sine VF TJ @3.0Apk,TJ =125C range Description/Features Units A V A V C The MBRS320 surface-mount Schottky rectifier has been designed for applications requiring low forward drop and small foot prints on PC boards. Typical applications are in disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection. Small foot print, surface mountable Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability MBRS320 3.0 20 820 0.36 - 65 to 150 Device Marking: IR32 2.75 (.108) 3.15 (.124) 5.59 (.220) 6.22 (.245) CATHODE ANODE 6.60 (.260) 7.11 (.280) .152 (.006) .305 (.012) 2.00 (.079) 2.62 (.103) .102 (.004) 0.76 (.030) 1.52 (.060) 7.75 (.305) 8.13 (.320) .203 (.008) 1 POLARITY 2 PART NUMBER 1 2 Outline SMC Dimensions in millimeters and (inches) For recommended footprint and soldering techniques refer to Application Note # AN-994 www.irf.com 1 MBRS320 Bulletin PD-20645 rev. B 03/02 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) MBRS320 20 Absolute Maximum Ratings Parameters IF(AV) Max. Average Forward Current IFSM EAS IAR Max. Peak One Cycle Non-Repetitive Surge Current Non Repetitive Avalanche Energy Repetitive Avalanche Current Value 3.0 820 80 6 1.0 Units Conditions A 50% duty cycle @ TL = 136C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse mJ A TJ = 25 C, IAS = 1.5A, L = 5mH Following any rated load condition and with rated VRRM applied Electrical Specifications Parameters VFM Max. Forward Voltage Drop (1) Typ. 0.41 0.45 0.29 0.35 Max. 0.45 0.53 0.36 0.46 0.5 20 35 10000 Units V V V V mA mA mA pF nH V/ s Conditions @ 3A @ 6A @ 3A @ 6A T J = 25 C TJ = 100 C TJ = 125 C VR = 5VDC (test signal range 100kHz to 1Mhz), @ 25C Measured lead to lead 5mm from package body (Rated VR) VR = rated VR TJ = 25 C TJ = 125 C IRM Max. Reverse Leakage Current (1) 0.04 8.0 23 CT LS Typical Junction Capacitance Typical Series Inductance 360 3.0 - dv/dt Max. Voltage Rate of Change (1) Pulse Width < 300s, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters TJ Tstg Max.JunctionTemperatureRange (*) Max. Storage Temperature Range Value - 65 to 150 - 65 to 150 12 46 Units C C C/W DC operation C/W Conditions RthJL Max. Thermal Resistance Junction to Lead (**) RthJA Max. Thermal Resistance Junction to Ambient Wt Approximate Weight Case Style Device Marking (*) dPtot dTj < 1 Rth( j-a) 0.24(0.008) gr (oz) SMC IR32 (**) Mounted 1 inch square PCB Similar DO-214AB thermal runaway condition for a diode on its own heatsink 2 www.irf.com MBRS320 Bulletin PD-20645 rev. B 03/02 100 100 Tj = 150C Reverse Current - I R (mA) 10 1 125C 100C 75C 0.1 0.01 0.001 0 50C 25C (A) Instantaneous Forward Current - I F 10 5 10 15 Reverse Voltage - VR (V) 20 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 1000 Tj = 150C Tj = 125C Tj = 25C Junction Capacitance - C T (p F) 1 Tj = 25C 0.1 0 Forward Voltage Drop - VFM (V) 100 0.2 0.4 0.6 0.8 0 5 10 15 20 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 100 (C/W) 10 Thermal Impedance Z D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 Notes: thJC PDM t1 t2 1 Single Pulse (Thermal Resistance) 1. Duty factor D = t1/ t2 2. Peak Tj = Pdm x ZthJC + Tc 0.1 0.00001 0.0001 0.001 0.01 0.1 1 10 100 t1 , Rectangular Pulse Duration (Seconds) Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (Per Leg) www.irf.com 3 MBRS320 Bulletin PD-20645 rev. B 03/02 155 Allowable Lead Temperature (C) Allowable Power Loss (Watts) 1.6 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 DC 150 145 140 135 130 Square wave 125 see note (2) 120 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit DC 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Average Forward Current Vs. Allowable Lead Temperature 1 2 3 4 5 Average Forward Current - I F(AV) (A) Fig. 6 - Maximum Average Forward Dissipation Vs. Average Forward Current 1000 Non-Repetitive Surge Current - I FSM (A) Tj = 25C 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 Peak Surge Forward Current Vs. Pulse Duration (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) 4 www.irf.com MBRS320 Bulletin PD-20645 rev. B 03/02 Tape & Reel Information 330 (13) 16 (0.63) 8 (0.32) 16 (0.63) Dimensions in millimeters and (inches) FEED DIRECTION Marking & Identification Each device has marking and identification on two rows. - The first row designates the device as manufactured by International Rectifier as indicated by the letters "IR", then Current and Voltage. - The second row shows the data code: Year and Week. See below marking diagram. Ordering Information MBRS320TR - TAPE AND REEL WHEN ORDERING, INDICATE THE PART NUMBER AND THE QUANTITY ( IN MULTIPLES OF 3000 PIECES). EXAMPLE: MBRS320TR - 6000 PIECES FIRST ROW IR 3 2 SECOND ROW Date Code YY WW Data and specifications subject to change without notice. This product has been designed 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. 03/02 www.irf.com 5 |
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