CYStech Electronics Corp.
Small Signal Schottky (double) diodes
BAT54S3/BAT54AS3
BAT54CS3/BAT54SS3
Spec. No. : C302S3-H
Issued Date : 2004.04.13
Revised Date :
Page No. : 1/4
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
Pin
BAT54
1
A
2
NC
3
K
Description
BAT54A BAT54C
K1
A1
K2
A2
A1,A2
K1,K2
BAT54S
A1
K2
K1,A1
Outline
SOT-323
3
3
3
1
2
N.C.
(1) BAT54
3
1
2
(2)BAT54A
3
2
1
1
2
(3)BAT54C
(4)BAT54S
Diode configuration and symbol
BAT54S3/BAT54AS3/BAT54CS3/BAT54SS3
2
1
Marking:
Type
BAT54 S3
BAT54AS3
BAT54CS3
BAT54SS3
Marking Code
L4
42
43
44
CYStek Product Specification