© Won-Top Electronics Co., Ltd.

www.wontop.com

Revision: May, 2014

1

Pb

Features



Single and Dual Diode

K



Low Forward Voltage

A



PN Junction Guard Ring for Transient and

ESD Protection

B



For General Purpose Switching Applications

C



Plastic Material – UL Recognition Flammability

Classification 94V-0

L

D

G

Mechanical Data



Case: SOT-523, Molded Plastic



Terminals: Plated Leads Solderable per

J

MIL-STD-202, Method 208

E



Polarity: See Diagrams Below



Weight: 0.002 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

150

mW

Thermal Resistance, Junction to Ambient (Note 1)

RθJA

833

°C/W

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

BAS40T / AT / CT / ST

SURFACE MOUNT SCHOTTKY BARRIER DIODE

WON-TOP ELECTRONICS

®

TOP VIEW

BAS40T

TOP VIEW

BAS40AT

TOP VIEW

BAS40CT

TOP VIEW

BAS40ST

SOT-523

Dim

Min

Max

A

0.15

0.30

B

0.75

0.85

C

1.45

1.75

D

0.50 Typical

E

0.90

1.10

G

1.50

1.70

H

0.60

0.80

J

0.02

0.10

K

0.10

0.30

L

0.10

0.20

All Dimensions in mm

H