WEITRON BAT54/BAT54C BAT54A/BAT54S Surface Mount Schottky Barrier Diodes P b Lead(Pb)-Free Features: *Extremely Fast Switching Speed *Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOT-23 Package SMALL SIGNAL SCHOTTKY DIODES 200m AMPERES 30 VOLTS 3 1 2 Description: These schottky barrier diodes are designed for high speed switching applications circuit protection, and voltage clamping, Extremely low forward voltage reduces conduction loss, Miniature surface mount package is excellent for hand held and portable applications where space is limited. SOT-23 SOT-23 Outline Dimensions Unit:mm A B TOP VIEW E G C D H K J WEITRON hpp://www.weitron.com.tw L M 1/3 Dim Min Max A 0.35 0.51 B 1.19 1.40 C 2.10 3.00 D 0.85 1.05 E 0.46 1.00 G 1.70 2.10 H 2.70 3.10 J 0.01 0.13 K 0.89 1.10 L 0.30 0.61 M 0.076 0.25 29-Jul-05 BAT54/BAT54C BAT54A/BAT54S Maximum Ratings (TJ=125 C Unless otherwise noted) Characteristic Reverse Voltage Average Rectifier Forward Current Peak Repetitive Forward Current Rated VR, Square Wave,20KHz Operating Junction Temperature Range Storage Temperature Range Electrical Characteristics Symbol BAT54/C/A/S Unit VR 30 Volts IF(AV) 200 mA IFRM 400 mA TJ -55 to +125 C Tstg -55 to +150 C (TA=25 C Unless otherwise noted) Characteristic Symbol Min Reverse Breakdown Voltage (IR=10uA) V(BR)R 30 Forward Voltage IF=0.1mA IF=1.0mA IF=10mA IF=30mA IF=100mA Typ Max Unit Volts VF 0.22 0.29 0.35 0.41 0.52 0.24 0.32 0.40 0.50 1.00 Total Capacitance (VR=1.0V, f=1.0MHz) CT 7.6 10 PF Reverse Leakage VR=25V IR 0.5 2.0 uAdc 5.0 nS Reverse Recover Time IF=IR =10mA, IR(Rec)=1.0mA Trr Volts Device Marking Item Eqivalent Circuit diagram Marking BAT54 LV3 3 1 BAT54C KL3 3 1 2 BAT54A B6 3 BAT54S LD3 3 WEITRON http://www.weitron.com.tw 2/3 1 2 1 2 29-Jul-05 BAT54/BAT54C BAT54A/BAT54S 820 Ω +10V 2.0K IF tp tr 0.1µF 100 µH IF t trr 10% 0.1µF D.U.T. t 90% 50 Ω OUTPUT PULSE GENERATOR 50 Ω INPUT SAMPLING OSCILLOSCOPE VR IR(REC)=1.0mA IR INPUT SIGNAL OUTPUT PULSE (IF=IR=10mA, MEASURED AT IR(REC)=1.0mA Notes:1. A 2.0 k Ω variable resistor for a Forward Current (IF) 0f 10 mA 2. Input pules is adjusted so IR(peak) is equal to 10 mA » 3. tp trr FIG.1 Recovery Time Equivalent Test Circuit 1000 150 C 10 125 C 1.0 85 C 0.1 IR, REVERSE CURRENT (µA ) IF, FORWARD CURRENT (mA) 100 25 C -40 C -55 C 0.0 0.1 0.2 0.3 0.4 0.5 TA=150 C 100 TA=125 C 10 1.0 TA=85 C 0.1 0.01 0.001 0.6 TA=25 C 0 5 10 15 20 25 30 VR, REVERSE VOLTAGE (VOLTS) VF, FORWARD VOLTAGE (VOLTS) FIG.3 Leakage Current FIG.2 Forward Voltage CT,TOTAL CAPACITANCE (pF) 14 12 10 8 6 4 2 0 0 5 10 15 20 VR, REVERSE VOLTAGE (VOLTS) 25 30 FIG.4 Total Capacitance WEITRON http://www.weitron.com.tw 3/3 29-Jul-05