Mechanical Dimensions BAT54 Description Single Common Cathode Common Anode Series Dimensions in mm SOT-23 Feature * Low Turn-On Voltage * Fast Switching, Marking: Single,Series,Common Cathode, Anode--BAT54,54S,54C, 54A * Ultra Small Surface mount Package * PN Junction Gard Ring for Transient and ESD protection * Weight: 0.008gram Max Ratings at Ta=25C Unless Otherwise Specified Characteristic Symbol BAT54 BAT54A BAT54C BAT54S Unit Peak Repetitive Reverse Voltage Vrrm 30 30 30 30 V working Peak Reverse Voltage Vrwm 30 30 30 30 V DC Blocking Voltage Vdc 30 30 30 30 V RMS Reverse Voltage Vr(rms) 21 21 21 21 V Power Dissipation Pd 200 200 200 200 mW Forward Continuous Current If 200 200 200 200 mA Repetitive Peak Forward Surge Current Ifrm 300 Peak Forward Surge Current @t=1.0s Ifsm 600 Operating & torage Temp. Range mA 600 600 600 mA Tj/Ts -55~+125 C Max Forward Voltage Vf 240 @ 0.1mA, 400 @ 10mA, 0.32 @ 1mA, 500 @ 30mA, 1000 @100mA mV Reverse Leakage Current Typical Junction Capacitance Vr=1.0V, f=1.0MHz Thermal Resistance Junction to Ambient Air Ir 2 uA Cj 10 pF Rthja 500 C/W 1000 1000 O T A =125 O C 100 REVERSE CURRENT, u A FORWARD CURRENT, mA T A =85 C 10 O T A =125 C 1.0 100 O T A =85 C 10 1.0 O T A =25 C O T A =25 C 0.1 0.1 0 0.4 1.2 0.8 0 10 20 30 REVERSE VOLTAGE, Volts FORWARD VOLTAGE, Volts FIG. 1-TYPICAL FORWARD CHARACTERISTIC FIG. 2-TYPICAL REVERSE CHARACTERISTICS 400 AVERAGE FORWARD CURRENT, mA JUNCTION CAPACITANCE, pF 15 10 5 0 0 10 20 30 REVERSE VOLTAGE, Volts FIG. 3 TYPICAL JUNCTION CAPACITANCE 300 200 100 0 50 100 150 AMBIENT TEMPERATURE( OC) FIG. 4 FORWARD CURRENT DERATING 200