WM8739

Advanced Information

AI Rev 2.2 September 2001

34

PACKAGE DIMENSIONS (QFN)

DM023.B

14

13

b

15

C

aaa

L

D2/2

D2

E2

E2/2

SEE DETAIL B

INDEX AREA

(D/2 X E/2)

C

aaa

2 X

2 X

C

C

0.08

C

ccc

A

A1

(A3)

SEATING PLANE

B

C

A

DETAIL B

TERMINAL TIP

R

1

NOTES:

1. DIMENSION b APPLIED TO METALLIZED TERMINAL AND IS MEASURED BETWEEN 0.25 mm AND 0.30 mm FROM TERMINAL TIP.

2. FALLS WITHIN JEDEC.95, MO-220 WITH THE EXCEPTION OF D2, E2, A3:

D2,E2: LARGER PAD SIZE CHOSEN WHICH IS JUST OUTSIDE JEDEC SPECIFICATION

A3:

NOMINAL VALUE LESS THAN JEDEC

3. ALL DIMENSIONS ARE IN MILLIMETRES

4. THIS DRAWING IS SUBJECT TO CHANGE WITHOUT NOTICE.

Symbols

Dimensions (mm)

MIN

NOM

MAX

NOTE

A

0.80

0.90

1.00

b

0.18

0.23

0.30

1

D

5.00 BSC

D2

3.2

3.3

3.4

E

5.00 BSC

E2

3.2

3.3

3.4

e

0.5 BSC

L

0.35

0.4

0.45

2

2

A1

0

0.02

0.05

A3

0.2 REF

TOP VIEW

B

B

A

A

DATUM

e

R

b(min)/2

aaa

0.15

ccc

0.10

REF:

JEDEC.95, MO-220, VARIATION VHHD-1

Tolerances of Form and Position

2

27

28

1

2

7

8

21

22

e

D

E