Bulletin PD-20585 rev. E 07/04 MBRS340TR SCHOTTKY RECTIFIER 3 Amp IF(AV) = 3.0Amp VR = 40V Description/ Features Major Ratings and Characteristics The MBRS340TR 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. Characteristics Value Units IF(AV) Rectangular waveform 3.0 A VRRM 40 V Small foot print, surface mountable Very low forward voltage drop IFSM @ t p= 5 s sine 1580 A High frequency operation VF @3.0Apk,TJ=125C 0.43 V Guard ring for enhanced ruggedness and long term reliability TJ range - 55 to 150 C Case Styles MBRS340TR SMC www.irf.com 1 MBRS340TR Bulletin PD-20585 rev. E 07/04 Voltage Ratings Part number VR MBRS340TR Max. DC Reverse Voltage (V) 40 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters Value IF(AV) Max. Average Forward Current 3.0 Units Conditions A 4.0 IFSM Max. Peak One Cycle Non-Repetitive 1580 50% duty cycle @ TL = 118 C, rectangular wave form 50% duty cycle @ TL = 110 C, rectangular wave form A Surge Current 80 EAS Non Repetitive Avalanche Energy 6 mJ IAR Repetitive Avalanche Current 1.0 A 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse Following any rated load condition and with rated VRRM applied TJ = 25 C, IAS = 1.0A, L = 12mH Current decaying linearly to zero in 1 sec Frequency limited by TJ max. Va = 1.5 x Vr typical Electrical Specifications Parameters VFM IRM Max. Forward Voltage Drop Max. Reverse Leakage Value (1) (1) Current Units Conditions 0.525 V @ 3A 0.68 V @ 6A 0.43 V @ 3A 0.57 V @ 6A 2.0 mA TJ = 25 C 20 mA TJ = 100C 35 mA TJ = 125 C TJ = 25 C TJ = 125 C VR = rated VR CT Max. Junction Capacitance 230 pF VR = 5VDC(test signal range 100KHz to 1Mhz) 25C LS Typical Series Inductance 3.0 nH Measured lead to lead 5mm from package body 10000 V/s dv/dt Max. Voltage Rate of Change (Rated VR) (1) Pulse Width < 300s, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters Value Units TJ Max.JunctionTemperatureRange (*) - 55 to 150 C Tstg Max. Storage Temperature Range - 55 to 150 C RthJL Max. Thermal Resistance Junction to Lead RthJA Max. Thermal Resistance Junction to Ambient wt Approximate Weight Conditions 12 C/W DC operation 46 C/W DC operation (**) 0.24(0.008) g (oz.) Case Style SMC Device Marking IR34 Similar to DO-214AB (*) dPtot 1 < thermal runaway condition for a diode on its own heatsink dTj Rth( j-a) (**) Mounted 1 inch square PCB 2 www.irf.com MBRS340TR Bulletin PD-20585 rev. E 07/04 100000 T J = 150C 125C 10000 100C 1000 75C 50C 100 25C 10 1 T = 150C J 0 10 20 30 Reverse Voltage - VR (V) T = 125C J 1 40 Fig. 2 - Typical Values Of Reverse Current Vs. Reverse Voltage (Per Leg) 1000 T = 25C J Junction Capacitance - C T (p F) Instantaneous Forward Current - I F (A) Reverse Current - I R (mA) 10 T = 25C J 100 10 0.1 0 0.1 0 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 Forward Voltage Drop - VFM (V) Fig. 1 - Max. Forward Voltage Drop Characteristics (Per Leg) 5 10 15 20 25 30 35 40 45 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage (Per Leg) Thermal Impedance Z thJC (C/W) 100 10 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 PDM t1 1 t2 Single Pulse (Thermal Resistance) Notes: 1. Duty factor D = t1/ t 2 2. Peak Tj = Pdm x ZthJC+Tc 0.1 0.00001 0.0001 0.001 0.01 0.1 1 t1 , Rectangular Pulse Duration (Seconds) 10 100 Fig. 4 - Max. Thermal Impedance Z thJC Characteristics (Per Leg) www.irf.com 3 MBRS340TR Bulletin PD-20585 rev. E 07/04 2 D=0.20 D=0.25 D=0.33 D=0.50 D=0.75 DC 150 140 130 Average Power Loss (Watts) Allowable Lead Temperature (C) 160 120 110 100 Square wave (D = 0.50) Rated Vr applied 90 80 D = 0.75 D = 0.50 D = 0.33 D = 0.25 D = 0.20 1.5 DC RMS Limit 1 0.5 70 see note (2) 60 0 1 2 3 4 0 5 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 Average Forward Current - I F(AV) (A) Average Forward Current - I F(AV) (A) Fig. 5 - Maximum Average Forward Dissipation Vs. Average Forward Current 1000 Non-Repetitive Surge Current - I FSM (A) Fig. 4 - Maximum Average Forward Current Vs. Allowable Lead Temperature 100 At Any Rated Load Condition And With rated Vrrm Applied Following Surge 10 10 100 1000 10000 Square Wave Pulse Duration - Tp (Microsec) Fig. 6 - Maximum Peak Surge Forward Current Vs. Pulse Duration (2) Formula used: TC = TJ - (Pd + PdREV) x RthJC ; Pd = Forward Power Loss = IF(AV) x V FM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = V R1 x IR (1 - D); IR @ VR1 = 80% rated VR 4 www.irf.com MBRS340TR Bulletin PD-20585 rev. E 07/04 Outline Table Device Marking: IR34 2.75 (.108) 3.15 (.124) 5.59 (.220) 6.22 (.245) CATHODE 6.60 (.260) 1 7.11 (.280) ANODE 2 .152 (.006) .305 (.012) 1 POLARITY 2.00 (.079) 2.62 (.103) 2 PART NUMBER .102 (.004) 0.76 (.030) 1.52 (.060) 7.75 (.305) 8.13 (.320) .203 (.008) Outline SMC Dimensions in millimeters and (inches) For recommended footprint and soldering techniques refer to application note #AN-994 Marking & Identification Each device has 2 rows for identification. The first row designates the device as manufactured by International Rectifier, indicated by the letters "IR", and the Part Number (indicates the current, the voltage rating and Schottky Generation). The second row indicates the year, the week of manufacturing and the Site ID. IR34 IR34 VOLTAGE CURRENT IR LOGO YYWWX SITE ID WEEK 2nd digit of the YEAR "Y" = 1st digit of the YEAR "standard product" "P" = "Lead-Free" www.irf.com 5 MBRS340TR Bulletin PD-20585 rev. E 07/04 Tape & Reel Information Dimensions in millimetres and (inches) Ordering Information Table Device Code MBR S 3 40 TR - 1 2 3 4 5 6 1 - Schottky MBR Series 2 - S = SMC 3 - Current Rating (3 = 3 A) 4 - Voltage Rating (40 = 40V) 5 - TR 6 = Tape & Reel (3000 pieces) y none = Standard Production y PbF = Lead-Free 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. 07/04 6 www.irf.com