BAT54S3/BAT54AS3 BAT54CS3/BAT54SS3 Description Planar silicon Schottky barrier diodes encapsulated in a SOT-323 very small plastic SMD package. Single diodes and double diodes with different pinning are available. Features *Guard ring protected *Low forward voltage drop *Very small plastic SMD package Applications *Ultra high-speed switching *Voltage clamping *Protection circuits *Blocking diodes Pinning Outline Pin 1 2 3 BAT54 A NC K Description BAT54A BAT54C K1 A1 K2 A2 A1,A2 K1,K2 3 3 3 1 SOT-323 BAT54S A1 K2 K1,A1 1 2 1 2 2 N.C. (1) BAT54 (2)BAT54A 2 1 Marking: 3 3 (3)BAT54C 1 2 (4)BAT54S Diode configuration and symbol BAT54S3/BAT54AS3/BAT54CS3/BAT54SS3 Type BAT54 S3 BAT54AS3 BAT54CS3 BAT54SS3 Marking Code L4 42 43 44 CYStek Product Specification CYStech Electronics Corp. Spec. No. : C302S3-H Issued Date : 2004.04.13 Revised Date : Page No. : 2/4 Absolute Maximum Ratings Symbol Per diode VR IF IFRM IFSM Ptot Tstg Tj Tamb Parameter Conditions continuous reverse voltage continuous