9

 2008 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC431L

Note:

(1) Grid placement courtyard is 8 x 8 elements (4mm x 4mm) in accordance with the international grid detailed in

IEC Publication 97.

e

e1

D

E1

E

bxN

12

3

A1

A2

A

3X

A

bbb

C A B

B

H

0.25

C

SEATING

PLANE

GAUGE

SEE DETAIL A

PLANE

0

c

L

L1

DETAIL A

1.40

1.20

N

33

0

-

8°

0°

8°

0°

-

.055

.047

DATUMS

AND

TO BE DETERMINED AT DATUM PLANE

-A-

-B-

2.

-H-

C

SEATING PLANE

aaa C

bbb

.008

0.20

aaa

.004

0.10

INCHES

.114

L1

E

D

b

e

c

.012

.003

.082

A1

DIM

A

MIN

.000

.035

0.51

0.18

2.64

0.30

0.08

2.10

.022

-

.075

-

.093

.020

.007

.104

(0.55)

1.90 BSC

-

-

2.37

2.90

MILLIMETERS

MAX

0.10

1.12

MIN

DIMENSIONS

0.01

MAX

NOM

-

-

.004

.044

NOM

0.89

-

-

CONTROLLING DIMENSIONS ARE IN MILLIMETERS (ANGLES IN DEGREES).

NOTES:

OR GATE BURRS.

DIMENSIONS "E1" AND "D" DO NOT INCLUDE MOLD FLASH, PROTRUSIONS

3.

1.

3.04

2.80

.110

.120

e1

.037

0.95 BSC

L

.015 .020

0.50

0.40

.024

0.60

A2

.035 .037

0.95

0.88

.040

1.02

E1

.051

1.30

SIDE VIEW

REFERENCE IPC-SM-782A.

2.

E

.037

0.95

Y

Y

G

Z

C

E

X

E1

E1

.075

1.90

NOTES:

1. THIS LAND PATTERN IS FOR REFERENCE PURPOSES ONLY

CONSULT YOUR MANUFACTURING GROUP TO ENSURE YOUR

COMPANY'S MANUFACTURING GUIDELINES ARE MET.

DIM

Y

Z

G

X

C

MILLIMETERS

INCHES

(2.20)

.055

.141

.039

.031

(.087)

1.40

3.60

1.00

0.80

DIMENSIONS

Outline Drawing - SOT-23-3

Land Pattern - SOT-23-3