MBR3045CT, MBRF3045CT & MBRB3045CT Series Vishay Semiconductors New Product formerly General Semiconductor Dual Schottky Rectifiers Reverse Voltage 30 to 45V Forward Current 30A ITO-220AB (MBRF3035CT, MBRF3045CT) 0.188 (4.77) 0.172 (4.36) 0.405 (10.27) 0.383 (9.72) 0.110 (2.80) 0.100 (2.54) TO-220AB (MBR3035CT, MBR3045CT) 0.140 (3.56) DIA. 0.130 (3.30) 0.185 (4.70) 0.415 (10.54) MAX. 0.175 (4.44) 0.131 (3.39) DIA. 0.122 (3.08) 0.154 (3.91) 0.370 (9.40) 0.360 (9.14) 0.055 (1.39) 0.045 (1.14) 0.148 (3.74) 0.113 (2.87) 0.103 (2.62) 0.676 (17.2) 0.646 (16.4) 0.600 (15.5) 0.580 (14.5) 0.410 (10.41) 0.390 (9.91) 1 PIN 2 3 0.191 (4.85) 0.171 (4.35) 0.560 (14.22) 0.530 (13.46) 1.148 (29.16) 1.118 (28.40) 0.160 (4.06) 0.140 (3.56) 3 2 1 0.603 (15.32) 0.573 (14.55) 0.350 (8.89) 0.330 (8.38) 0.635 (16.13) 0.625 (15.87) 0.350 (8.89) 0.330 (8.38) PIN 0.145 (3.68) 0.135 (3.43) PIN 1 0.110 (2.79) 0.100 (2.54) PIN 1 PIN 2 PIN 3 CASE 0.560 (14.22) 0.530 (13.46) 0.035 (0.90) 0.028 (0.70) 0.104 (2.65) 0.096 (2.45) PIN 2 PIN 3 0.037 (0.94) 0.027 (0.69) 0.105 (2.67) 0.095 (2.41) 0.022 (0.55) 0.014 (0.36) 0.205 (5.20) 0.195 (4.95) 0.105 (2.67) 0.095 (2.41) 0.110 (2.80) 0.100 (2.54) 0.060 (1.52) 0.022 (0.56) 0.014 (0.36) TO-263AB (MBRB3035CT, MBRB3045CT) 0.205 (5.20) 0.195 (4.95) 0.411 (10.45) 0.190 (4.83) 0.380 (9.65) 0.160 (4.06) 0.055 (1.40) 0.045 (1.14) 0.245 (6.22) MIN Mounting Pad Layout TO-263AB K 0.42 (10.66) 0.055 (1.40) 0.360 (9.14) 0.33 (8.38) Dimensions in inches and (millimeters) 0.047 (1.19) 0.320 (8.13) 0.624 (15.85) 1 K 2 0.591 (15.00) 0.63 (17.02) 0-0.01 (0-0.254) 0.110 (2.79) 0.090 (2.29) 0.037 (0.940) 0.021 (0.53) PIN 1 0.027 (0.686) 0.105 (2.67) 0.08 (2.032) 0.24 (6.096) 0.12 (3.05) 0.095 (2.41) 0.014 (0.36) PIN 2 0.205 (5.20) K - HEATSINK 0.140 (3.56) 0.110 (2.79) 0.195 (4.95) Features Mechanical Data * Plastic package has Underwriters Laboratory Flammability Classification 94V-0 * Dual rectifier construction, positive center tap * Metal silicon junction, majority carrier conduction * Low power loss, high efficiency * Guardring for overvoltage protection * For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications Case: JEDEC TO-220AB, ITO-220AB, TO-263AB molded plastic body Terminals: Plated leads, solderable per MIL-STD-750, Method 2026 High temperature soldering guaranteed: 250C/10 seconds, 0.25" (6.35mm) from case (TO-220AB, ITO-220AB) at terminals (TO-236AB) Polarity: As marked Mounting Position: Any Mounting Torque: 10 in-lbs maximum Weight: 0.08 oz., 2.24 g Document Number 88677 02-Oct-02 www.vishay.com 1 MBR3045CT, MBRF3045CT & MBRB3045CT Series Vishay Semiconductors formerly General Semiconductor Maximum Ratings (TC = 25C unless otherwise noted) Parameter Symbol MBR3035CT MBR3045CT Unit Maximum repetitive peak reverse voltage VRRM 35 45 V Working peak reverse voltage VRWM 35 45 V Maximum DC blocking voltage VDC 35 45 V Total device Per leg IF(AV) 30 15 A Peakrepetitive forward current per leg at TC = 105C (rated VR, square wave, 20KHz) IFRM 30 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) per leg IFSM 200 A Peak repetitive reverse current per leg at tp = 2s, 1KHZ IRRM 2.0 A Voltage rate of change (rated VR) dv/dt 10,000 V/s TJ -65 to +150 C TSTG -65 to +175 C Maximum average forward rectified current Operating junction temperature range Storage temperature range (1) RMS Isolation voltage (MBRF type only) from terminals to heatsink with t = 1 second, RH 30% Electrical Characteristics (T C 4500 3500 (2) 1500 (3) V Symbol Value Unit VISOL = 25C unless otherwise noted) Parameter IF = 20A, IF = 30A, IF = 30A, TC = 125C TC = 25C TC = 125C VF 0.60 0.76 0.72 V Maximum instantaneous reverse current per leg at rated DC blocking voltage(4) TJ = 25C TJ = 125C IR 1.0 60 mA Maximum instantaneous forward voltage per leg at(4): Thermal Characteristics (T C = 25C unless otherwise noted) Parameter Typical thermal resistance per leg Symbol MBR MBRF MBRB Unit RJC 1.5 4.5 1.5 C/W Notes: (1) Clip mounting (on case), where lead does not overlap heatsink with 0.110" offset (2) Clip mounting (on case), where leads do overlap heatsink (3) Screw mounting with 4-40 screw, where washer diameter is 4.9 mm (0.19") (4) Pulse test: 300s pulse width, 1% duty cycle Ordering Information Product Case Package Code MBR3035CT - MBR3045CT TO-220AB 45 Anti-Static tube, 50/tube, 2K/carton MBRF3035CT - MBRF3045CT ITO-220AB 45 Anti-Static tube, 50/tube, 2K/carton MBRB3035CT - MBRB3045CT TO-263AB 31 45 81 13" reel, 800/reel, 4.8K/carton Anti-Static tube, 50/tube, 2K/carton Anti-Static 13" reel, 800/reel, 4.8K/carton www.vishay.com 2 Package Option Document Number 88677 02-Oct-02 MBR3045CT, MBRF3045CT & MBRB3045CT Series Vishay Semiconductors formerly General Semiconductor Ratings and Characteristic Curves (T A = 25C unless otherwise noted) Fig. 1 - Forward Current Derating Curve Fig. 2 - Maximum Non-Repetitive Peak Forward Surge Current Per Leg 30 300 TJ = TJ max. 8.3ms Single half sine-wave (JEDEC Method) Peak Forward Surge Current (A) Average Forward Current (A) Resistive or Inductive Load 24 18 12 6 0 150 100 50 150 100 100 10 Number of Cycles at 60 HZ Fig. 3 - Typical Instantaneous Forward Characteristics Per Leg Fig. 4 - Typical Reverse Characteristics Per Leg 50 TJ = 150C 10 1.0 TJ = 25C 0.1 0.01 0 1 Case Temperature (C) IR -- Instantaneous Reverse Current (mA) IF -- Instantaneous Forward Current (A) 200 0 50 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 50 10 TJ = 125C 1.0 75C 0.1 0.01 25C 0.001 0 20 40 60 80 100 Instantaneous Forward Voltage (V) Percent of Rated Peak Reverse Voltage (%) Fig. 5 - Typical Junction Capacitance Per Leg Fig. 6 - Typical Transient Thermal Impedance Per Leg 100 5,000 TJ = 25C f = 1.0 MHZ Vsig = 50mVp-p Transient Thermal Impedance (C/W) pF -- Junction Capacitance 250 1,000 100 0.1 1 10 Reverse Voltage (V) Document Number 88677 02-Oct-02 100 10 1 0.1 0.01 0.1 1 10 100 t -- Pulse Duration (sec.) www.vishay.com 3