SMD Schottky Barrier Diodes BAT54-HF Series RoHS Device Halogen Free Features SOT-23 - High current capability. 0.118(3.00) - Low forward voltage drop. 0.110(2.80) 3 - Extremely fast switching speed. 0.055(1.40) 0.047(1.20) 1 2 0.079(2.00) Mechanical data 0.071(1.80) 0.006(0.15) - Case: SOT-23, molded plastic. 0.002(0.05) - Epoxy : UL 94V-0. 0.100(2.55) 0.041(1.05) 0.089(2.25) 0.035(0.90) 0.006(0.15) 0.003(0.08) Circuit Diagram 0.019(0.50) 0.020(0.50) 0.012(0.30) 0.012(0.30) 3 3 3 3 Dimensions in inches and (millimeter) 1 2 1 2 1 2 1 2 BAT54-HF BAT54A-HF BAT54C-HF BAT54S-HF Maximum Rating (at Ta=25C unless otherwise noted) Parameter Symbol Value Unit Max. repetitive peak reverse voltage VRRM 30 V Max. RMS voltage VRMS 21 V Max. DC blocking voltage VDC 30 V Max. average forward rectied current IFM 200 mA Peak forward surge current 8.3 ms single half sine-wave IFSM 600 mA Typical thermal resistance R JA 500 C/W Power dissipation PD 200 mW junction temperature TJ 125 C Storage temperature range TSTG -50 to +150 C Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JB083 Page 1 Comchip Technology CO., LTD.SMD Schottky Barrier Diodes Electrical Characteristics (at Ta=25C unless otherwise noted) Symbol Typ. Parameter Conditions Min. Max. Unit VF1 IF=0.1mA 240 VF2 IF=1mA 320 Maximum Forward voltage IF=10mA 400 mV VF3 VF4 IF=30mA 500 VF5 IF=100mA 1000 Maximum reverse breakdown voltage VR IR=100A 30 V Maximum reverse current A IR VR=25V 2.0 Type junction capacitance Cj VR=1V, f=1MHz pF 10 Reverse recovery time IF=IR=10mA, IRR=0.1xIR, RL=100 ns trr 5 Rating and Characteristic Curves (BAT54-HF Series) Fig.1 - Forward Characteristics Fig.2 - Reverse Characteristics 200 300 100 Ta=100C 100 Ta=100C 10 10 Ta=25C 1 1 Ta=25C 0.1 0.1 0.01 0.01 0 200 400 600 800 1000 0 5 10 15 20 25 30 Forward Voltage, VF (mV) Reverse Voltage, VR (V) Fig.3 - Capacitance Characteristics Fig.4 - Power Derating Curve 20 250 Ta=25C f=1MHz 16 200 150 12 8 100 4 50 0 0 0 5 10 15 20 25 30 0 25 50 75 100 125 Reverse Voltage, VR (V) Ambient Temperature, Ta (C) Company reserves the right to improve product design , functions and reliability without notice. REV:A QW-JB083 Page 2 Comchip Technology CO., LTD. Capacitance Between Terminals, CT (pF) Forward Current, IF (mA) Power Dissipation, PD (mW) Reverse Current, IR (A)