Bulletin PD-20643 rev. D 03/03 MBRA120 SCHOTTKY RECTIFIER 1.0 Amp SMA Major Ratings and Characteristics Characteristics Description/ Features The MBRA120 surface mount Schottky rectifier has been designed for applications requiring low forward drop and very 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. MBRA120 Units 1.0 A VRRM 20 V Small foot print, surface mountable IFSM @ tp = 5 µs sine 310 A Low forward voltage drop High frequency operation 0.34 V Guard ring for enhanced ruggedness and long term reliability - 65 to 150 °C IFAV Rect. Waveform VF @ 1.0Apk, TJ=125°C TJ range Device Marking: IR12A CATHODE 1.40 (.055) 1.60 (.062) 2.50 (.098) 2.90 (.114) AN OD E 1 2 1 P O LA R I TY 4.00 (.157) 2 PA R T N U M B ER 4.60 (.181) .152 (.006) .305 (.012) 2.10 MAX. (.085 MAX. ) 1.47 MIN. (.058 MIN.) 2.00 (.078) 2.44 (.096) 0.76 (.030) 1.52 (.060) .103 (.004) .203 (.008) 4.80 (.188) 5.28 (.208) 1.27 MIN. (.050 MIN.) 5.53 (.218) SOLDERING PAD Outline SMA Similar to D-64 Dimensions in millimeters and (inches) For recommended footprint and soldering techniques refer to application note #AN-994 www.irf.com 1 MBRA120 Bulletin PD-20643 rev. D 03/03 Voltage Ratings Part number VR MBRA120 Max. DC Reverse Voltage (V) 20 VRWM Max. Working Peak Reverse Voltage (V) Absolute Maximum Ratings Parameters Value Units Conditions IF(AV) Max. Average Forward Current 1.0 A 50% duty cycle @ TL = 136°C, rectangular wave form IFSM Max. Peak One Cycle Non-Repetitive 310 5µs Sine or 3µs Rect. pulse Surge Current 40 10ms Sine or 6ms Rect. pulse EAS Non Repetitive Avalanche Energy 2.0 mJ IAR Repetitive Avalanche Current 1.0 A Following any rated load condition and with rated VRRM applied TJ = 25 °C, IAS = 1A, L = 4mH Electrical Specifications Parameters VFM IRM Typ. Max. Forward Voltage Drop (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 TJ = 25 °C TJ = 100 °C TJ = 125 °C 0.015 0.2 mA T J = 25 °C 2.0 6.0 mA TJ = 100 °C VR = rated VR 7.0 20 mA TJ = 125 °C CT Typical Junction Capacitance 110 - pF VR = 5VDC (test signal range 100kHz to LS Typical Series Inductance 2.0 - nH - 10000 1Mhz), @ 25°C dv/dt Max. Voltage Rate of Change Measured lead to lead 5mm from package body V/ µs (Rated VR) (1) Pulse Width < 300µs, Duty Cycle < 2% Thermal-Mechanical Specifications Parameters Value Units TJ Max. Junction Temperature Range(*) - 65 to 150 °C Tstg Max. Storage Temperature Range °C - 65 to 150 Conditions RthJL Max. Thermal Resistance Junction to Lead (**) 35 °C/W DC operation RthJA Max. Thermal Resistance Junction 80 °C/W to Ambient Wt Approximate Weight SMA Device Marking IR12A (*) dPtot dTj 2 0.07(0.002) gr (oz) Case Style < 1 Rth( j-a) Similar D-64 thermal runaway condition for a diode on its own heatsink (**) Mounted 1 inch square PCB www.irf.com MBRA120 Bulletin PD-20643 rev. D 03/03 100 Tj = 150˚C Reverse Current - IR (mA) 10 125˚C 100˚C 1 75˚C 50˚C 0.1 25˚C 0.01 0.001 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 1000 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 Junction Capacitance - C T (pF) Instantaneous Forward Current - I F (A) 10 Tj = 25˚C 100 10 0 5 10 15 20 Reverse Voltage - VR (V) Fig. 3 - Typical Junction Capacitance Vs. Reverse Voltage www.irf.com 3 MBRA120 Bulletin PD-20643 rev. D 03/03 0.5 150 Allowable Power Loss (Watts) Allowable Lead Temperature (°C) 155 D = 0.20 D = 0.25 D = 0.33 D = 0.50 D = 0.75 145 140 Square wave DC 135 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 see note (2) 130 0 0.2 0.4 0.6 0.8 1 0 1.2 1.4 1.6 0 Average Forward Current - I F(AV) (A) FSM (A) Fig. 4 - Maximum Average Forward Current Vs. Allowable Lead Temperature Non-Repetitive Surge Current - I 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 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 MBRA120 Bulletin PD-20643 rev. D 03/03 Tape & Reel Information NOTE: 1. OUTLINE CONFORMS TO EIA-481. Dimensions in millimeters 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 MBRA120TR - TAPE AND REEL WHEN ORDERING, INDICATE THE PART NUMBER AND THE QUANTITY ( IN MULTIPLES OF 7500 PIECES). EXAMPLE: MBRA120TR - 15000 PIECES IR12A VOLTAGE CURRENT IR LOGO YYWWX SITE ID WEEK YEAR www.irf.com 5 MBRA120 Bulletin PD-20643 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