Meritek Electronics Corporation | www.meritekusa.com

Rev.3c 03/15/24

32.768 Crystal Unit

2.0 x 1.2mm KHz Tuning Fork

ERITEK

PART NUMBERING SYSTEM

No.

Item

Code

Description

(1)

Meritek Series

MXT2

Ceramic SMD Crystal, KHz TUNING FORK 2.0 x 1.2mm, 2 Pads

(2)

Load Capacitance

B

B: 12.5pF

6-12pF, See option table

(3)

Frequency Tolerance

F

F: ±20ppm

±10~±50ppm, See option table

(4)

Operating Temperature

I

I: -40~+85ºC

-40~125ºC, See option table

(5)

Frequency

32K768

32K768: 32.768KHz

32K768, K: denotes decimal point

PRODUCTS OPTION CODE

Load

Capacitance

(pF)

3

4

5

6

7

8

9

10

12

15

16

18

20

22

25

30

32

*

Code

3

4

5

6

7

8

9

A

B

C

D

E

F

K

G

H

L

Z

Frequency

Tolerance

(ppm)

±10

±15

±20

±25

±30

±50

±100

*

Code

A

C

F

G

H

J

K

Z

Frequency

Stability

(ppm)

±10

±15

±20

±25

±30

±50

±100

*

Code

A

C

F

G

H

J

K

Z

Operating

Temperature

(°C)

-40~70

-40~85

-40~105

-40~125

-40~150

-10~60

0~70

*

Code

4

3/I

2/R

1/Y

0

A

B

Z

Operating

Temperature

(°C)

-55~70

-55~85

-55~105

-55~125

-55~150

-20~70

-30~85

*

Code

9

8

7

6

5

C

K

Z

Note: * Z: None Standard, Custom options available. Contact Meritek for more information

RECOMMENDED SOLDERING PROFILES

Reflow Condition

Pre

Heat

Temp. Min Ts(min)

150°C

Temp. Max Ts(max)

180°C

Time (min. to max.) (ts)

60~120 seconds

Ramp up rate (TL to TP)

1°C/second max.

Ts(max) to TL (Ramp-up rate)

3°C/second max.

Reflow

Temp. (TL)

230°C

Time (min. to max.) (tL)

30~40 seconds

Peak Temperature (TP)

260°C

tp within 5°C of Peak Temperature (tP)

10 seconds max

Ramp-down Rate

6°C/second max.

MXT2 B

F

I

32K768

(1)

(2)

(3)

(4)

(5)