Order this document by MBRA140T3/D SEMICONDUCTOR TECHNICAL DATA SMA Power Surface Mount Package SCHOTTKY BARRIER RECTIFIER 1 AMPERES 40 VOLTS . . . employing the Schottky Barrier principle in a large area metal–to–silicon power diode. State of the art geometry features epitaxial construction with oxide passivation and metal overlay contact. Ideally suited for low voltage, high frequency rectification, or as free wheeling and polarity diodes in surface mount applications where compact size and weight are critical to the system. • Small Compact Surface Mountable Package with J–Bent Leads • Rectangular Package for Automated Handling • Highly Stable Oxide Passivated Junction • Very Low Forward Voltage Drop • Guardring for Stress Protection Mechanical Characteristics: • Case: Epoxy, Molded • Weight: 70 mg (approximately) • Finish: All External Surfaces Corrosion Resistant and Terminal Leads are Readily Solderable • Lead and Mounting Surface Temperature for Soldering Purposes: 260°C Max. for 10 Seconds • Shipped in 12 mm tape, 5000 units per 13 inch reel • Polarity: Notch in Plastic Body Indicates Cathode Lead • Marking: B4 CASE 403B-01 SMA MAXIMUM RATINGS Rating Symbol Value Unit VRRM VRWM VR IO 40 V 1.0 A Peak Repetitive Forward Current (At Rated VR, Square Wave, 20 kHz, TC = 100°C) IFRM 2.0 A Non-Repetitive Peak Surge Current (Surge applied at rated load conditions, halfwave, single phase, 60 Hz) IFSM 30 A Tstg, TC TJ – 55 to +150 °C – 55 to +125 °C dv/dt 10,000 V/µs Rtjl Rtja 35 86 °C/W Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Average Rectified Forward Current (At Rated VR, TC = 95°C) Storage/Operating Case Temperature Operating Junction Temperature Voltage Rate of Change (Rated VR, TJ = 25°C) THERMAL CHARACTERISTICS Thermal Resistance — Junction–to–Lead (2) Thermal Resistance — Junction–to–Ambient (2) ELECTRICAL CHARACTERISTICS Maximum Instantaneous Forward Voltage g ((1), ) see Figure g 2 for other Values (IF = 1.0 1 0 A) (IF = 2.0 A) VF TJ = 25°C 0.55 0.71 TJ = 100°C 0.505 0.74 V Maximum Instantaneous Reverse Current, see Figure g 4 for other Values (VR = 40 V) (VR = 20 V) IR TJ = 25°C 0.5 0.1 TJ = 100°C 10 2.0 mA This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice. (1) Pulse Test: Pulse Width ≤ 250 µs, Duty Cycle ≤ 2%. (2) Mounted on 2″ square pc board with 1″ square total pad size, PC Board FR4. REV 2 Schottky Power Rectifier Data Motorola Motorola, Inc. 1996 1 10 TJ = 85°C 1.0 TJ = 125°C TJ = 25°C TJ = –40°C 0.1 0 0.2 0.6 0.4 0.8 1.0 1.2 TJ = 85°C TJ = 25°C TJ = 125°C 0.1 0 0.2 0.6 0.4 0.8 1.0 1.2 Figure 1. Typical Forward Voltage Figure 2. Maximum Forward Voltage 100E–3 10E–3 TJ = 125°C 1.0E–3 TJ = 85°C I R , MAXIMUM REVERSE CURRENT (AMPS) I R , REVERSE CURRENT (AMPS) 1.0 VF, MAXIMUM INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 100E–6 10E–3 TJ = 85°C 1.0E–3 TJ = 25°C 100E–6 TJ = 25°C 10E–6 1.0E–6 10 0 20 30 1.0E–6 0 10 20 30 40 VR, REVERSE VOLTAGE (VOLTS) VR, REVERSE VOLTAGE (VOLTS) Figure 3. Typical Reverse Current Figure 4. Maximum Reverse Current FREQ = 20 kHz 1.4 1.2 SQUARE WAVE 1.0 Ipk/Io = p 0.8 PFO , AVERAGE POWER DISSIPATION (WATTS) dc Ipk/Io = 5 0.6 Ipk/Io = 10 0.4 Ipk/Io = 20 0.2 0 0 10E–6 40 1.6 IO , AVERAGE FORWARD CURRENT (AMPS) 10 VF, INSTANTANEOUS FORWARD VOLTAGE (VOLTS) 100E–3 2 I F, INSTANTANEOUS FORWARD CURRENT (AMPS) I F , INSTANTANEOUS FORWARD CURRENT (AMPS) MBRA140T3 20 40 60 80 100 120 140 1.0 0.9 SQUARE WAVE 0.8 dc Ipk/Io = p 0.7 Ipk/Io = 5 0.6 Ipk/Io = 10 0.5 0.4 Ipk/Io = 20 0.3 0.2 0.1 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 TL, LEAD TEMPERATURE (°C) IO, AVERAGE FORWARD CURRENT (AMPS) Figure 5. Current Derating Figure 6. Forward Power Dissipation 1.6 Motorola Schottky Power Rectifier Data R (T) , TRANSIENT THERMAL RESISTANCE (NORMALIZED) MBRA140T3 T, TIME (s) 1.0E+0 100E–3 10E–3 1.0E–3 100E–6 10E–6 1.0E–3 100E–6 10E–3 100E–3 1.0E+0 10E+0 100E+0 1.0E+3 T, TIME (s) Figure 7. Thermal Response C, CAPACITANCE (pF) 1000 100 TJ = 25°C 10 1.0 0 5.0 10 15 20 25 30 35 40 VR, REVERSE VOLTAGE (VOLTS) Figure 8. Capacitance Motorola Schottky Power Rectifier Data 3 MBRA140T3 PACKAGE DIMENSIONS 0.157 4.0 S A 0.0787 2.0 D B 0.0787 2.0 inches mm SMA C K J H NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. DIM A B C D H J K S INCHES MIN MAX 0.160 0.180 0.090 0.115 0.075 0.105 0.050 0.064 0.004 0.008 0.006 0.016 0.030 0.060 0.190 0.220 MILLIMETERS MIN MAX 4.06 4.57 2.29 2.92 1.91 2.67 1.27 1.63 0.10 0.20 0.15 0.41 0.76 1.52 4.83 5.59 CASE 403B–01 ISSUE O Motorola reserves the right to make changes without further notice to any products herein. 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