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| WEITRON 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 BAT54/BAT54C BAT54A/BAT54S 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 A Unit:mm TOP VIEW B C E G H D K L J M 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 WEITRON hpp://www.weitron.com.tw 1/3 29-Jul-05 BAT54/BAT54C BAT54A/BAT54S Maximum Ratings Characteristic Reverse Voltage Average Rectifier Forward Current Peak Repetitive Forward Current Rated VR, Square Wave,20KHz Operating Junction Temperature Range Storage Temperature Range (TJ=125 C Unless otherwise noted) Symbol VR IF(AV) IFRM TJ Tstg BAT54/C/A/S 30 200 400 Unit Volts mA mA C C -55 to +125 -55 to +150 Electrical Characteristics Characteristic (TA=25 C Unless otherwise noted) Symbol V(BR)R Min 30 0.22 0.29 0.35 0.41 0.52 7.6 0.5 0.24 0.32 0.40 0.50 1.00 10 2.0 5.0 Typ Max Unit Volts Reverse Breakdown Voltage (IR=10uA) Forward Voltage IF=0.1mA IF=1.0mA IF=10mA IF=30mA IF=100mA Total Capacitance (VR=1.0V, f=1.0MHz) Reverse Leakage VR=25V Reverse Recover Time IF=IR =10mA, IR(Rec)=1.0mA VF Volts CT IR Trr PF uAdc nS Device Marking Item BAT54 BAT54C BAT54A BAT54S Marking LV3 KL3 B6 LD3 Eqivalent Circuit diagram 3 3 3 3 1 1 2 1 2 1 2 http://www.weitron.com.tw WEITRON 2/3 29-Jul-05 BAT54/BAT54C BAT54A/BAT54S 820 +10V 2.0K 100 H 0.1F D.U.T. 50 OUTPUT PULSE GENERATOR 50 INPUT SAMPLING OSCILLOSCOPE VR IF 0.1F tr 10% tp t IF trr t 90% INPUT SIGNAL IR IR(REC)=1.0mA OUTPUT PULSE (IF=IR=10mA, MEASURED AT IR(REC)=1.0mA Notes:1. A 2.0 k 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 100 1000 IF, FORWARD CURRENT (mA) IR, REVERSE CURRENT (A ) TA=150 C 100 TA=125 C 10 1.0 TA=85 C 0.1 0.01 10 150 C 1.0 125 C 25 C -40 C -55 C 0.0 0.1 0.2 0.3 0.4 0.5 0.6 85 C TA=25 C 0 5 10 15 20 25 30 0.1 0.001 VF, FORWARD VOLTAGE (VOLTS) VR, REVERSE VOLTAGE (VOLTS) FIG.2 Forward Voltage 14 FIG.3 Leakage Current CT,TOTAL CAPACITANCE (pF) 12 10 8 6 4 2 0 0 5 10 15 20 25 30 VR, REVERSE VOLTAGE (VOLTS) FIG.4 Total Capacitance http://www.weitron.com.tw WEITRON 3/3 29-Jul-05 |
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