Diodes SMD Type Schottky Diodes KAT54/A/C/S(BAT54/A/C/S) SOT-23 Unit: mm +0.1 2.9-0.1 +0.1 0.4-0.1 Features 0.4 3 Small plastic SMD package. 1 0.55 Guard ring protected +0.1 1.3-0.1 +0.1 2.4-0.1 Low forward voltage 2 +0.1 0.95-0.1 +0.1 1.9-0.1 0-0.1 KAT54 KAT54A KAT54C +0.1 0.38-0.1 +0.1 0.97-0.1 +0.05 0.1-0.01 1.Base 2.Emitter 3.collector KAT54S Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit Maximum Repetitive Reverse Voltage VRRM 30 V Average Rectified Forward Current IF(AV) 200 mA IFSM 600 mA PD 290 mW Thermal Resistance, Junction to Ambient RèJA 430 Storage Temperature Range Tstg -55 to +150 TJ 150 Non-repetitive Peak Forward Surge Current Pulse width = 1.0 second Power Dissipation Operating Junction Temperature W Electrical Characteristics Ta = 25 Parameter Symbol Breakdown Voltage VR Forward Voltage VF Testconditons Max Unit IF = 0.1 mA 240 mV IF = 1 mA 320 mV IF = 10 mA 400 mV IF = 30 mA 500 mV IF = 100 mA 1.0 V IR = 10 Min Typ 30 A V Reverse Current IR VR =25 V 2 A Total Capacitance CT VR = 1V, f = 1.0 MHz 10 pF Reverse Recovery Time trr IF = IR = 10 mA, IRR = 1.0 mA,RL = 100Ù 5 ns hFE Classification TYPE KAT54 KAT54A KAT54C KAT54S Marking L4 L42 or WV3 L43 or WW1 L44 or WV4 www.kexin.com.cn 1 Diodes SMD Type KAT54/A/C/S(BAT54/A/C/S) Typical Characteristics Fig.1 Forward Characteristics Fig.3 Typical Capacitance vs. Reverse Voltage 2 www.kexin.com.cn Fig.2 Typical Reverse Characteristics Fig.4 Power Derating Curve