BAT54W/BAT54CW BAT54AW/BAT54SW Surface Mount Schottky Barrier Diodes SMALL SIGNAL SCHOTTKY DIODES 200m AMPERES 30 VOLTS Features: *Extremely Fast Switching Speed *Low Forward Voltage *Very Small Conduction Losses *Schottky Barrier Diodes Encapsulated in a SOT-323 Package *Lead(Pb)-Free 3 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. 1 2 SOT-323(SC-70) SOT-323 Outline Demensions Unit:mm A SOT-323 B T OP V IE W C D E G H K J WEITRON hpp://www.weitron.com.tw L M 1/3 Dim A B C D E G H J K L M Min 0.30 1.15 2.00 0.30 1.20 1.80 0.00 0.80 0.42 0.10 Max 0.40 1.35 2.40 0.65 0.40 1.40 2.20 0.10 1.00 0.53 0.25 Rev.A 23-Mar-07 BAT54W/BAT54CW BAT54AW/BAT54SW MaximumRatings WEITRON (TJ=125°C Unless otherwise noted) Symbol BAT54W/CW/AW/SW Unit VR 30 Volts Average Rectifier Forward Current Peak Repetitive Forward Current Rated VR, Square Wave,20KHz Non-Repetitive Forward Current(t 1.0s) Operating Junction Temperature Range IF(AV) 200 mA IFRM 300 mA IFSM 600 mA TJ -55 to +125 C Storage Temperature Range Tstg -55 to +150 C Characteristic Reverse Voltage ElectricalCharacteristics (TA=25 C Unless otherwise noted) Characteristic Symbol Min Reverse Breakdown Voltage (IR=10µA) 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 Volts Total Capacitance (VR=1.0V, f=1.0MHz) CT 7.6 10 PF Reverse Leakage (VR=25V) IR 0.5 2.0 µAdc Reverse Recover Time (IF=IR =10mA, IR(Rec)=1.0mA) Trr 5.0 nS DeviceMarking Item EqivalentCir cuitdiagram Marking BAT54W B4 , KL5 3 1 BAT54CW L3 , KL7 , 5C 3 1 2 BAT54AW B7 , KL6 3 BAT54SW B8 , KL8 3 WEITRON http://www.weitron.com.tw 2/3 1 2 1 2 Rev.A 23-Mar-07 BAT54W/BAT54CW BAT54AW/BAT54SW WEITRON 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 INPUT SAMPLING OSCILLOSCOPE 50 Ω OUTPUT PULSE GENERATOR 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 (V) VF, FORWARD VOLTAGE (V) 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 25 30 VR,REVERSE VOLTAGE (V) FIG.4 Toral Capacitance WEITRON http://www.weitron.com.tw 3/3 Rev.A 23-Mar-07