LL103A/B/C Schottky Barrier Diodes Schottky Barrier Diode 350 mAMPERES 20-40 VOLTS P b Lead(Pb)-Free Features: * Small surface mounting type * High reliability * Low reverse current and low forward voltage * Low current rectification and high speed switching Mechanical Data: MINI-MELF *Case : MINI-MELF Glass Case (SOD-80) *Polarity: Color Band Denotescathode Band *Weight : Approx 0.05 gram MINI-MELF Outline Dimensions Unit:mm MINI MELF A Dim A B C B C WEITRON http//www.weitron.com.tw 1/3 Min 3.30 1.30 0.28 Max 3.70 1.60 0.50 24-Feb-06 LL103A/B/C Maximum Ratings (TA=25C Unless otherwise noted) Symbol LL103A Pepetitive Peak Reverse Voltage VRRM 40 Repetitive peak forward current tp 1s IFSM 1.0 A Forward Continuous Current, TA=25 C IF 350 mA Power dissipation,TA=25C PD 400 mW RJA 250 K/W TJ +175 C TSTG -65 to +175 C Characteristic Junction ambient On PC board 50mmx50mmx1.6mm Operating Temperature Range Strorage Temperature Range LL103B LL103C Unit 20 V 30 Electrical Characteristics (TA=25C Unless otherwise noted) Characteristic Symbol Min Tpy Max Unit Forward Voltage IF = 20mA IF = 200mA VF - - 0.37 0.6 V Rverse Current LL103A VR=30V LL103B VR=20V LL103C VR=10V IR - - 5.0 5.0 5.0 A Diode capacitance VR=VF=0, f=1MHz CD - 50 - PF Reverse Recovery Time IF= IR=200mA to 0.1mA IR Trr - 10 - nS WEITRON http//www.weitron.com.tw 2/3 24-Feb-06 LL103A/B/C Typical Characteristics (TA = 25 C unless otherwise specified) 5 1000 - Forward Current ( A) IF Forward Current(mA) 100 10 F 1 I 0.1 0.01 0 500 V F - Forward Voltage ( mV ) 4 3 2 1 0 1000 Fig. 1 Forward Current vs. Forward Voltage 0.0 0.5 1.0 V F - Forward Voltage ( V ) 1.5 10 50 Fig. 2 Forward Current vs. Forward Voltage 100 40 CD - Diode Capacitance ( pF ) VR-Reverse Voltage (V) 50 IF=100mA 30 IF=200mA 20 IF=400mA 10 0 10 1 0 100 200 Tj - Junction Temperature ( C ) 0 1000 I R - Reverse Current ( A) - Forward Current ( A) F I 40 30 20 10 1.0 10 tp - Pulse width ( ms ) WEITRON TA=100C 100 TA=75C 10 TA=50C TA=25C 1 0.1 100 1000 0 10 20 30 40 50 V R -Reverse Voltage ( V ) Fig. 6 Reverse Current vs. Reverse Voltage Fig. 5 Forward Current vs. Pulse width http//www.weitron.com.tw 40 TA=125C 50 0.1 30 Fig. 4 Diode Capacitance vs. Reverse Voltage Fig. 3 Reverse Voltage vs. Junction Temperature 0 0.001 0.01 20 V R -Reverse Voltage ( V ) 3/3 24-Feb-06