Diodes SMD Type Surface Mount Schottky Barrier Diode KAS40WS(BAS40WS) SOD-323 Features +0.05 0.85-0.05 +0.05 0.3-0.05 +0.1 1.7-0.1 Low Turn-on Voltage Unit: mm +0.1 1.3-0.1 Fast Switching PN Junction Guard Ring for Transient and +0.1 2.6-0.1 ESD Protection Designed for Surface Mount Application 1.0max 0.375 +0.05 0.1-0.02 0.475 Absolute Maximum Ratings Ta = 25 Parameter Symbol Peak Repetitive Reverse Voltage VRRM Working Peak Reverse Voltage VRWM Rating Unit 40 V mA DC Blocking Voltage VR Forward Continuous Current IF 200 IFSM 600 mA Pd 200 mW 625 /W Forward Surge Current @ t < 1.0s Power Dissipation Typical Thermal Resistance, Junction to Ambient Air R JA Tj, TSTG Operating and Storage Temperature Range 55 to +125 Electrical Characteristics Ta = 25 Parameter Symbol Reverse Breakdown Voltage V(BR)R Testconditons @ IR = 10 Typ Max 40 A @ IF = 1.0mA, t < 300 s 380 500 VF Reverse Leakage Current IR @ VR = 30V, t < 300 Junction Capacitance Cj VR = 0V, f = 1.0MHz trr IF = 10mA through IR = 10mA toIR = 1.0mA, RL = 100 @ IF = 40mA, t < 300 s mV 1000 s s Unit V @ IF = 10mA, t < 300 Forward Voltage Reverse Recovery Time Min 20 200 nA 4.0 5.0 pF 5.0 nS Marking Marking S40 www.kexin.com.cn 1