© Won-Top Electronics Co., Ltd.

www.wontop.com

Revision: April, 2012

1

Pb

Features



Single and Dual Diode

L



Low Forward Voltage

A



PN Junction Guard Ring for Transient and

ESD Protection



For General Purpose Switching Applications

B

C



Plastic Material – UL Recognition Flammability

Classification 94V-0

M

E

D

H

Mechanical Data



Case: SOT-323, Molded Plastic

K



Terminals: Plated Leads Solderable per

J

MIL-STD-202, Method 208

G



Polarity: See Diagrams Below



Weight: 0.006 grams (approx.)



Marking: Device Code, See Page 3



Mounting Position: Any



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 < 1.0s

IFSM

600

mA

Operating Temperature Range

TJ

-55 to +125

°C

Storage Temperature Range

TSTG

-65 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.

BAS40W / AW / CW / SW

SURFACE MOUNT SCHOTTKY BARRIER DIODE

WON-TOP ELECTRONICS

®

SOT-323

Dim

Min

Max

A

0.25

0.40

B

1.15

1.35

C

2.00

2.40

D

0.65 Nominal

E

0.30

0.40

G

1.20

1.40

H

1.80

2.20

J

—

0.10

K

0.90

1.10

L

0.25

—

M

0.05

0.15

All Dimensions in mm

TOP VIEW

BAS40W

TOP VIEW

BAS40AW

TOP VIEW

BAS40CW

TOP VIEW

BAS40SW