UD052012

Advance

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

2 of 9

www.unisonic.com.tw

QW-R115-039.a



MARKING

PACKAGE

MARKING

SOT-25

SOT-26



MARKING INFORMATION

W: Year and Month Code

YEAR &

MONTH

Jan-20

Feb-20

Mar-20

Apr-20

May-20

Jun-20

Jul-20

Aug-20

Sep-20

Oct-20

Nov-20

Dec-20

CODE

D

E

F

G

H

I

J

K

L

M

N

O

YEAR &

MONTH

Jan-21

Feb-21

Mar-21

Apr-21

May-21

Jun-21

Jul-21

Aug-21

Sep-21

Oct-21

Nov-21

Dec-21

CODE

P

a

R

S

T

U

V

W

X

Y

Z

D

YEAR &

MONTH

Jan-22

Feb-22

Mar-22

Apr-22

May-22

Jun-22

Jul-22

Aug-22

Sep-22

Oct-22

Nov-22

Dec-22

CODE

e

f

g

h

j

k

m

n

q

r

t

Y

YEAR &

MONTH

Jan-23

Feb-23

Mar-23

Apr-23

May-23

Jun-23

Jul-23

Aug-23

Sep-23

Oct-23

Nov-23

Dec-23

CODE

1

2

3

4

5

6

7

8

9

A

B

C

D: date Code

DATE

1

2

3

4

5

6

7

8

9

10

11

12

CODE

1

2

3

4

5

6

7

8

9

A

B

C

DATE

13

14

15

16

17

18

19

20

21

22

23

24

CODE

D

E

F

G

H

I

J

K

L

M

N

P

DATE

25

26

27

28

29

30

31

CODE

Q

R

S

T

U

V

W

Z: Series Number (Note 1)

1

- - - ●

2

- - ● -

3

- - ●●

4

- ● - -

5

- ● - ●

6

- ●●-

7

- ● ● ●

8

● - - -

9

● - - ●

A

● - ● -

B

● - ● ●

C

●● - -

D

●● - ●

E

●●●-

F

● ● ● ●

G

- - - -

Note: 1. Series No., the last digit of assembly lot No. (Follow binary system)