MP49 Series

HC-49/U Crystal

January 2009

www.pletronics.com

425-776-1880

2

-160

-140

-120

-100

-80

-60

-40

-20

0

20

40

60

80

100

120

140

160

-60

-40

-20

0

20

40

60

80

100

120

Temperature (

AT Cut Crystal Frequency

versus Temperature

Typical Performance:

Part Marking:

PLE

or

PLE

MP49x

SRMP49

FFFFFM

FFFFFM

ymdz

ymdz

Legend:

x

= Capacitance load code from below

FFFFFM

= Frequency in MHz

PLE = Pletronics

ymd = Date of Manufacture (year, month and day)

All other marking is internal factory codes

Specifications such as frequency tolerance and operating temperature range, etc. are not identified

from the marking. External packaging labels and packing list will correctly identify the ordered

Pletronics part number.

Code

A

B

C

D

E

F

GH

J

K

L

M

N

P

QR

T

U

V

W

X

Y

pF

10

12

13

8

151820222426283032343627

33

50

19

16

17

14

Codes for Date Code YMD

Code

6

7

8

9

0

1

2

Year

2006

2007

2008

2009

2010

2011

2012

Code

A

B

C

D

E

F

G

H

J

K

L

M

Month

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Code

123456789

A

B

C

Day

123456789

10

11

12

Code

D

E

F

G

H

J

K

L

M

N

P

R

Day

1314151617181920212223

24

Code

T

U

V

W

X

Y

Z

Day

25262728293031