LITE-ON SEMICONDUCTOR LOW VF SURFACE MOUNT SCHOTTKY BARRIER RECTIFIERS B240LA REVERSE VOLTAGE - 40 Volts FORWARD CURRENT- 2.0 Ampere FEATURES For surface mounted applications Metal-Semiconductor junction with guardring Epitaxial construction Very Low forward voltage drop High current capability Plastic material has UL flammability classification 94V-0 For use in low voltage, high frequency inverters, free wheeling, and polarity protection applications SMA SMA A C B G H F D E MECHANICAL DATA DIM. MIN. MAX. A 4.06 4.57 B 2.29 2.92 C 1.27 1.63 D 0.15 0.31 E 4.83 5.59 F 0.05 0.20 G 2.01 2.62 H 0.76 1.52 All Dimensions in millimeter Case : Molded plastic Polarity : Indicated by cathode band Weight : 0.002 ounces, 0.064 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20% CHARACTERISTICS Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current @TC =100 C Peak Forward Surge Current 8.3ms single half sine-wave super imposed on rated load (JEDEC METHOD) Maximum Instantaneous Forward Voltage @ IF= 2A; TJ =25 @ IF= 2A; TJ =125 @ IF= 4A; TJ =25 @ IF= 4A; TJ =125 Maximum DC Reverse @ VR= Current at Rated DC @ VR= Blocking Voltage @ VR= @ VR= 20V; TJ =25 20V; TJ =100 40V; TJ =25 40V; TJ =100 Typical Junction Capacitance (Note 1) Typical Thermal Resistance (Note 2) Operating Temperature Range Storage Temperature Range SYMBOL B240LA UNIT VRRM VRMS VDC 40 28 40 V V I(AV) 2.0 A IFSM 25 VF 0.43 0.375 0.54 0.55 V IR 0.5 40 2.0 60 mA CJ R0JL TJ TSTG 200 18 -55 to +125 -55 to +150 NOTES : 1.Measured at 1.0MHz and applied reverse voltage of 4.0V DC. 2.Thermal Resistance Junction to lead. V A pF C/W C C REV. 0, 15-Nov-2001, KSHA12 RATING AND CHARACTERISTIC CURVES B240LA FIG.2 - MAXIMUM NON-REPETITIVE SURGE CURRENT PEAK FORWARD SURGE CURRENT, AMPERES AVERAGE FORWARD CURRENT AMPERES FIG.1 - FORWARD CURRENT DERATING CURVE 2.5 2.0 1.5 1.0 0.5 SINGLE PHASE HALF WAVE 60Hz RESISTIVE OR INDUCTIVE LOAD 0 20 60 40 80 100 120 140 30 25 20 15 10 Pulse Width 8.3ms Single Half-Sine-Wave (JEDEC METHOD) 5 0 1 2 10 20 50 100 NUMBER OF CYCLES AT 60Hz CASE TEMPERATURE, C FIG.4 - TYPICAL JUNCTION CAPACITANCE FIG.3 - TYPICAL FORWARD CHARACTERISTICS 1000 CAPACITANCE , (pF) 10 1.0 100 TJ = 25 C TJ = 125 C TJ =100 C TJ = 25 C F= 1MHz PULSEWIDTH:300us 10 0.1 0.1 0 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 1.0 INSTANTANEOUS FORWARD VOLTAGE , (VOLTS) 4.0 10.0 100 REVERSE VOLTAGE , (VOLTS) FIG.5 - TYPICAL REVERSE CHARACTERISTICS 1000 INSTANTANEOUS REVERSE CURRENT, (mA) INSTANTANEOUS FORWARD CURRENT, (A) 5 100 TJ = 125 C 10 TJ = 100 C 1 0.1 TJ = 25 C 0.01 0 5 10 15 20 25 30 35 40 45 RATED PEAK REVERSE VOLTAGE, (V) REV. 0, 15-Nov-2001, KSHA12