Bulletin PD-20644 rev. D 03/03 MBRS120 SCHOTTKY RECTIFIER 1 Amp SMB Major Ratings and Characteristics Description/Features The MBRS120 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 MBRS120 Units IF(AV) Rectangular waveform 1.0 A VRRM 20 V IFSM @ tp= 5 µs sine 310 A Very low forward voltage drop High frequency operation 0.35 V Guard ring for enhanced ruggedness and long term reliability - 65 to 150 °C VF @ 1.0Apk, TJ = 125°C TJ range Small foot print, surface mountable Device Marking: IR12 CATHODE 2.15 (.085) 1.80 (.071) 3.80 (.150) 3.30 (.130) 1 ANODE 2 1 POLARITY 4.70 (.185) 2 PART NUMBER 4.10 (.161) 2.5 TYP. (.098 TYP.) SOLDERING PAD 2.40 (.094) 1.90 (.075) 1.30 (.051) 0.76 (.030) 0.30 (.012) 0.15 (.006) 5.60 (.220) 5.00 (.197) 2.0 TYP. (.079 TYP.) 4.2 (.165) 4.0 (.157) Outline SMB Dimensions in millimeters and (inches) For recommended footprint and soldering techniques refer to application note #AN-994 www.irf.com 1 MBRS120 Bulletin PD-20644 rev. D 03/03 Voltage Ratings Part number VR MBRS120 Max. DC Reverse Voltage (V) 20 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters Value IF(AV) Max. Average Forward Current 1.0 IFSM 310 Max. Peak One Cycle Non-Repetitive Units Conditions A 50% duty cycle @ TL = 138°C, rectangular wave form 5µs Sine or 3µs Rect. pulse Surge Current 40 EAS Non Repetitive Avalanche Energy 2.0 mJ 10ms Sine or 6ms Rect. pulse IAR Repetitive Avalanche Current 0.8 A Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 1A, L = 4mH Current decaying linearly to zero in 1 µsec Frequency limited by TJ max. Va = 1.5 x Vr typical Electrical Specifications Parameters VFM IRM Max. Forward Voltage Drop Typ. (1) Max. Reverse Leakage Current (1) Max. Units Conditions 0.42 0.45 V @ 1A 0.46 0.52 V @ 2A 0.33 0.37 V @ 1A 0.39 0.45 V @ 2A 0.30 0.35 V @ 1A 0.36 0.43 V @ 2A 0.015 0.2 mA 2.0 6.0 mA TJ = 100 °C 7.0 20 mA TJ = 125 °C VR = 5VDC (test signal range 100kHz to CT Typical Junction Capacitance 110 - pF LS Typical Series Inductance 2.0 - nH - 10000 V/ µs TJ = 25 °C TJ = 100 °C TJ = 125 °C T J = 25 °C VR = rated VR 1Mhz), @ 25°C dv/dt Max. Voltage Rate of Change Measured lead to lead 5mm from package body (Rated VR) (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters Value TJ Max. Junction Temperature Range (*) - 65 to 150 Tstg Max. Storage Temperature Range RthJL Max. Thermal Resistance Junction to Lead (**) - 65 to 150 30 RthJA Max. Thermal Resistance Junction Units Conditions °C °C °C/W DC operation 80 °C/W to Ambient Wt Approximate Weight SMB Device Marking IR12 (*) dPtot dTj 2 0.10(0.003) gr (oz) Case Style < 1 Rth( j-a) Similar DO-214AA thermal runaway condition for a diode on its own heatsink (**) Mounted 1 inch square PCB www.irf.com MBRS120 Bulletin PD-20644 rev. D 03/03 100 Tj = 150˚C 10 Reverse Current - I R (mA) 10 125˚C 100˚C 1 75˚C 50˚C 0.1 25˚C 0.01 0.0001 0 5 10 15 20 Reverse Voltage - VR (V) Fig. 2 - Typical Peak Reverse Current Vs. Reverse Voltage 1 Tj = 150˚C Tj = 125˚C Tj = 100˚C Tj = 25˚C 0.1 0 0.2 0.4 0.6 0.8 1 Forward Voltage Drop - V FM (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics 1000 Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) 0.001 Tj = 25˚C 100 10 0 4 8 12 16 20 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage www.irf.com 3 MBRS120 Bulletin PD-20644 rev. D 03/03 0.5 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 145 Allowable Power Loss (Watts) Allowable Lead Temperature (°C) 150 140 DC Square wave 135 see note (2) D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 0.4 0.3 RMS Limit 0.2 DC 0.1 0 130 0 0.2 0.4 0.6 0.8 1 0 1.2 1.4 1.6 0.4 0.8 1.2 1.6 Average Forward Current - I F(AV) (A) Fig. 4 - Maximum Average Forward Current Vs. Allowable Lead Temperature Fig. 5 - Maximum Average Forward Dissipation Vs. Average Forward Current Non-Repetitive Surge Current - I FSM (A) Average Forward Current - I F(AV) (A) 1000 At Any Rated Load Condition And With Rated Vrrm Applied Following Surge 100 Tj = 25˚C 10 10 100 1000 10000 Square Wave Pulse Duration - t p (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 VFM @ (IF(AV) / D) (see Fig. 6); PdREV = Inverse Power Loss = VR1 x IR (1 - D) 4 www.irf.com MBRS120 Bulletin PD-20644 rev. D 03/03 Tape & Reel Information Dimensions in millimetres and (inches) Marking & Identification Each device has 2 rows for identification. The first row designates the device as manufactured by International Rectifier as indicated by the letters "IR", and the Part Number (indicates the current and the voltage rating). The second row indicates the year, the week of manufacturing and the Site ID. Ordering Information MBRS120TR - TAPE AND REEL WHEN ORDERING, INDICATE THE PART NUMBER AND THE QUANTITY ( IN MULTIPLES OF 3000 PIECES). EXAMPLE: MBRS120TR - 6000 PIECES IR12 VOLTAGE CURRENT IR LOGO YYWWX SITE ID WEEK YEAR www.irf.com 5 MBRS120 Bulletin PD-20644 rev. D 03/03 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. 03/03 6 www.irf.com