SM25 / SM30 / SM42 Series

Miniature SMD Crystal

March 2008

www.pletronics.com

425-776-1880

5

Mechanical:

Inches

mm

A

0.457 max

11.60 max

B

0.414 max

10.50 max

C

0.532 max

13.50 max

D

0.192 ± 0.008

4.88 ± 0.20

E

0.012 ± 0.004

0.30 ± 0.10

F

0.030 ± 0.008

0.75 ± 0.20

G

0.197 max

5.00 max

H

0.145 max

3.68 max

I

0.040 max

1.00 max

J

0.197 max

5.00 max

Contacts (3 types of lead plating used):

0.016

0.40

Matte Tin (Sn)

L SM42

0.182 max

4.60 max

Tin over Copper (SnCu)

L SM30

0.138 max

3.50 max

SAC (SnAgCu)

Not to Scale

L SM25

0.114 max

2.90 max

Layout and application information

•

Trace lengths to the crystal should be kept as short as possible.

•

The crystal connections are sensitive to noise.

•

Cload may need to be determined experimentally on the actual PCB.