Diodes SMD Type Surface Mount Switching Diodes KAS21,A,C,S (BAS21,A,C,S) SOT-23 Unit: mm +0.1 2.9-0.1 +0.1 0.4-0.1 Features 1 High Conductance 0.55 Surface Mount Package Ideally Suited for Automatic Insertion +0.1 1.3-0.1 +0.1 2.4-0.1 Fast Switching Speed 0.4 3 2 +0.1 0.95-0.1 +0.1 1.9-0.1 +0.05 0.1-0.01 KAS21 2.Emitter 3.collector KAS21S KAS21C KAS21A 1.Base +0.1 0.38-0.1 0-0.1 +0.1 0.97-0.1 For General Purpose Switching Applications Absolute Maximum Ratings Ta = 25 Parameter Symbol Rating Unit VR 250 V Forward Current IF 200 mA Power Dissipation PD 200 mW Operating Junction Temperature Range TJ -55 to +150 Tstg -55 to +150 Reverse Voltage Storage Temperature Range Electrical Characteristics Ta = 25 Parameter Symbol Reverse Breakdown Voltage V(BR) Forward Voltage VF Testconditons IR=100 Min Typ Max 250 A Unit V IF=100mA 1.0 IF=200mA 1.25 V Reverse Leakage IR VR=200V 1.0 A Junction Capacitance Cj VR=0V, f=1.0MHz 5.0 pF Reverse Recover Time Trr 50 nS Marking NO. KAS21 KAS21A KAS21C KAS21S Marking JS JS2 JS3 JS4 www.kexin.com.cn 1