B330LA & B340A Vishay Semiconductors New Product formerly General Semiconductor High-Current Density Surface Mount Schottky Rectifier DO-214AC (SMA) Reverse Voltage 30 & 40V Forward Current 3.0A Cathode Band 0.065 (1.65) Mounting Pad Layout 0.110 (2.79) 0.100 (2.54) 0.049 (1.25) 0.066 MIN. (1.68 MIN.) 0.094 MAX. (2.38 MAX.) 0.177 (4.50) 0.157 (3.99) 0.012 (0.305) 0.006 (0.152) 0.052 MIN. (1.32 MIN.) 0.090 (2.29) 0.078 (1.98) 0.220 (5.58) REF Dimensions in inches and (millimeters) 0.060 (1.52) 0.008 (0.203) MAX. 0.030 (0.76) Features 0.208 (5.28) 0.194 (4.93) Mechanical Data • • • • Low power loss, high efficiency Low profile surface mount package Built-in strain relief For use in low voltage high frequency inverters, free wheeling, and polarity protection applications • Guardring for overvoltage protection • Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Case: JEDEC DO-214AC molded plastic body Terminals: Solder plated, solderable per MIL-STD750, Method 2026 High temperature soldering guaranteed: 250°C/10 seconds at terminals Polarity: Color band denotes cathode end Weight: 0.002 ounce, 0.064 gram Maximum Ratings and Thermal Characteristics (T Parameter Device marking code Maximum repetitive peak reverse voltage Maximum RMS voltage Maximum DC blocking voltage Maximum average forward rectified current at TL (See Fig. 1) Symbol VRRM VRMS VDC A = 25°C unless otherwise noted) B330LA B33 30 21 30 B340A B34 40 28 40 Unit V V V V IF(AV) 3.0 A Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) IFSM 65 A Typical thermal resistance (2) RΘJA RΘJL dv/dt TJ TSTG 110 28 10,000 -65 to +150 -65 to +150 °C/W Voltage rate of change (rated VR) Operating junction temperature range Storage temperature range Electrical Characteristics (TA = 25°C unless otherwise noted) Parameter Maximum instantaneous forward voltage at 3.0A(1) Maximum DC reverse current at rated DC blocking voltage (1) V/µs °C °C Symbol Max. Max. Unit TJ=25°C VF 0.50 0.55 V TJ=25°C IR 0.5 0.5 mA Notes: (1) Pulse test: 300µs pulse width, 1% duty cycle (2) Aluminum substrate mounted Document Number 88896 15-Dec-03 www.vishay.com 1 B330LA & B340A Vishay Semiconductors formerly General Semiconductor Ratings and Characteristic Curves (TA = 25°C unless otherwise noted) Fig. 2 – Maximum Non-Repetitive Peak Forward Surge Current Fig. 1 – Forward Current Derating Curve 80 Peak Forward Surge Current (A) Average Forward Current (A) 3.5 3.0 2.5 2.0 1.5 1.0 0.5 B330LA B340A 40 20 0 0 0 25 75 50 100 125 150 1 10 100 Lead Temperature (°C) Number of Cycles at 60 HZ Fig. 3 – Typical Instantaneous Forward Characteristics Fig. 4 – Typical Reverse Characteristics 100 100 Instantaneous Reverse Current (mA) Instantaneous Forward Current (A) 60 10 TJ = 125°C 1 TJ = 25°C 0.1 B330LA B340A 0.01 0.0 TJ = 150°C 10 TJ = 125°C 1 0.1 B330LA B340A 0.01 TJ = 25°C 0.001 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 Instantaneous Forward Voltage (V) 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Fig. 5 – Typical Junction Capacitance pF - Junction Capacitance 1000 TJ = 25°C f = 1.0 MHZ Vsig = 50mVp-p 100 B330LA B340A 10 1 10 100 Reverse Voltage (V) www.vishay.com 2 Document Number 88896 15-Dec-03