© Won-Top Electronics Co., Ltd.

www.wontop.com

Revision: October, 2018

1

Pb

Features



Low Turn-On Voltage



Fast Switching Speed

A



PN Junction Guard Ring for Transient and

ESD Protection



For General Purpose Switching Applications

C



Plastic Material – UL Recognition Flammability

D

Classification 94V-0

B

E

Mechanical Data

H



Case: SOD-323, Molded Plastic

G



Terminals: Plated Leads Solderable per

J

MIL-STD-202, Method 208



Polarity: Cathode Band



Weight: 0.004 grams (approx.)



Marking: Device Code, See Page 3



Lead Free: For RoHS / Lead Free Version,

Add “-LF” Suffix to Part Number, See Page 4

Maximum Ratings @TA=25°C unless otherwise specified

Characteristic

Symbol

Value

Unit

Peak Repetitive Reverse Voltage

Working Peak Reverse Voltage

DC Blocking Voltage

VRRM

VRWM

VR

40

V

Forward Continuous Current

IF

200

mA

Non-Repetitive Peak Forward Surge Current

@ t < 10ms

IFSM

600

mA

Operating and Storage Temperature Range

TJ, TSTG

-55 to +150

°C

Thermal Characteristics

Characteristic

Symbol

Value

Unit

Power Dissipation (Note 1)

PD

200

mW

Thermal Resistance, Junction to Ambient (Note 1)

RθJA

625

°C/W

Note: 1. Mounted on FR-4 PC board with minimum recommended pad layout.

BAS40WS

SURFACE MOUNT SCHOTTKY BARRIER DIODE

WON-TOP ELECTRONICS

®

SOD-323

Dim

Min

Max

A

2.30

2.75

B

1.60

1.80

C

1.20

1.40

D

0.25

0.40

E

0.05

0.15

G

0.20

0.40

H

—

1.10

J

—

0.10

All Dimensions in mm