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| Bulletin PD-20644 rev. B 03/02 MBRS120 SCHOTTKY RECTIFIER 1 Amp SMB Major Ratings and Characteristics Characteristics IF(AV) Rectangular waveform VRRM IFSM VF TJ @ tp= 5 s sine @1.0Apk,TJ=125C range Description/Features Units A V A V C 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. Small foot print, surface mountable Very low forward voltage drop High frequency operation Guard ring for enhanced ruggedness and long term reliability MBRS120 1.0 20 310 0.35 - 65 to 150 Device Marking: IR12 CATHODE ANODE 2.15 (.085) 1.80 (.071) 3.80 (.150) 3.30 (.130) 1 2 4.70 (.185) 4.10 (.161) 1 POLARITY 2 PART NUMBER 2.40 (.094) 1.90 (.075) 1.30 (.051) 0.76 (.030) 0.30 (.012) 0.15 (.006) 5.60 (.220) 5.00 (.197) 2.5 TYP. (.098 TYP.) SOLDERING PAD 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. B 03/02 Voltage Ratings Part number VR Max. DC Reverse Voltage (V) VRWM Max. Working Peak Reverse Voltage (V) MBRS120 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 1.0 310 40 3 0.8 Units Conditions A 50% duty cycle @ TL = 138C, rectangular wave form 5s Sine or 3s Rect. pulse 10ms Sine or 6ms Rect. pulse mJ A TJ = 25 C, IAS = 1A, L = 10mH Following any rated load condition and with rated VRRM applied Electrical Specifications Parameters VFM Max. Forward Voltage Drop (1) Typ. 0.42 0.46 0.33 0.39 0.30 0.36 Max. 0.45 0.52 0.37 0.45 0.35 0.43 0.2 6.0 20 10000 Units V V V V V V mA mA mA pF nH V/ s Conditions @ 1A @ 2A @ 1A @ 2A @ 1A @ 2A 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 = 100 C TJ = 125 C IRM Max. Reverse Leakage Current (1) 0.015 2.0 7.0 CT LS Typical Junction Capacitance Typical Series Inductance 110 2.0 - 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 30 Units C C C/W DC operation 80 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) 0.10(0.003) gr (oz) SMB IR12 (**) Mounted 1 inch square PCB Similar DO-214AA thermal runaway condition for a diode on its own heatsink 2 www.irf.com MBRS120 Bulletin PD-20644 rev. B 03/02 100 Tj = 150C 10 Reverse Current - I R (mA) 10 1 0.1 0.01 0.001 125C 100C 75C 50C 25C Instantaneous Forward Current - I F (A) 0.0001 0 5 10 15 20 Reverse Voltage - VR (V) Fig. 2 - Typical Peak Reverse Current Vs. Reverse Voltage 1 Tj = 150C Tj = 125C Tj = 100C Tj = 25C 1000 Junction Capacitance - C T (pF) Tj = 25C 100 0.1 0.2 0.4 0.6 0.8 1 Forward Voltage Drop - V FM (V) Fig. 1 - Maximum Forward Voltage Drop Characteristics 0 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. B 03/02 150 Allowable Lead Temperature (C) Allowable Power Loss (Watts) 0.5 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 145 0.4 0.3 0.2 0.1 0 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 RMS Limit DC 140 Square wave DC 135 see note (2) 130 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Average Forward Current - I F(AV) (A) Fig. 4 - Maximum Average Forward Current Vs. Allowable Lead Temperature 0 0.4 0.8 1.2 1.6 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) At Any Rated Load Condition And With Rated Vrrm Applied Following Surge 100 Tj = 25C 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. B 03/02 Tape & Reel Information Dimensions in millimeters and (inches) 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 MBRS120TR - TAPE AND REEL WHEN ORDERING, INDICATE THE PART NUMBER AND THE QUANTITY ( IN MULTIPLES OF 3000 PIECES). EXAMPLE: MBRS120TR - 6000 PIECES FIRST ROW IR 12 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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