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20

SEE PAGE 8 FOR PART NUMBERING GUIDE

Quartz

ADXSM-490 Series (491, 492)

Surface Mount

ADXSM-491

ADXSM-492

ADXSM-491 (unit: mm)

ADXSM-492 (unit: mm)

AT-CUT

TAPE SPECIFICATIONS

SOLDERING PATTERN

STANDARD SPECIFICATIONS

Package Type

ADXSM-491

ADXSM-492

Frequency Range

F

12.000 MHz to 40.000 MHz 12.000 MHz to 40.000 MHz

Calibration Tolerance

±50 ppm at +25ºC ±3ºC ±50 ppm at +25ºC ±3ºC

Temperature Stability at +25ºC

±50 ppm over -20ºC to +70ºC

±50 ppm over -20ºC to +70ºC

Load Capacitance

CL

16 pF

16 pF

Shunt Capacitance 

Co

5 pF max.

5 pF max.

Drive Level 

P

100 µW max.

100 µW max.

Aging

#

f/F

±5ppm max. at +25ºC ±3ºC per year ±5ppm max. at +25ºC ±3ºC per year

Cut

AT-Cut

AT-Cut

Reflow Soldering Condition

10 seconds max. at +235ºC ±5ºC 10 seconds max. at +235ºC ±5ºC

PACKAGE DATA

Item / Package

ADXSM-491

ADXSM-492

OUTER PACKAGE

Plastic

Plastic

SEALING

Press-fit

Press-fit

(2 x 6 mm built-in)

(2 x 6 mm built-in)

TERMINAL PLATING

Solder

Solder

Quartz Part Numbering Guide

ADXSM, ADX49SM, ADX49SSM1/SSM2, ADX49SMP/SMP1 Series

Surface Mount

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8

ADXSM-351          pg10
ADXSM-364          pg11
ADXSM-365          pg12
ADXSM-463          pg16
ADXSM-481          pg17
ADXSM-491          pg20
ADXSM-492          pg20

ADXSM-571          pg21
ADXSM-572          pg22
ADXSM-581          pg23
ADXSM-5111A        pg24
ADXSM-6122A        pg24
ADXSM-6121A        pg25
ADXSM-5122A        pg25

ADXSM-5134AZ       pg26
ADXSM-5136AZ       pg26
ADXSM-5135AZ       pg27
ADXSM-5137AZ       pg27
ADXSM-5138AZ       pg28
ADXSM-5121B        pg29
ADXSM-5122B        pg29

ADX49SM

pg30

ADX49SSM

pg30

ADX49SSM1 pg31
ADX49SSM2 pg31
ADX49SMP pg32
ADX49SMP1 pg32

±100ppm

A

±50ppm

B

±45ppm

C

±40ppm

D

±35ppm

E

±30ppm

F

±25ppm

G

±20ppm

H

±15ppm

I

±10ppm

J

±5ppm

K

Fundamental

F

3rd Overtone

3

5th Overtone

5

7th Overtone

7

9th Overtone

9

Bulk

Blank

Insulator Tab

I

Tape & Reel

T

Package Type

Frequency Tolerance 

@ 25ºC

Frequency Stability

Over Temperature

Operating 

Temperature Range

Operating Mode

Load Capacitance

Options

MHz

M

KHz

K

Frequency

0ºC to +70ºC

1

-10ºC to +60ºC

2

-20ºC to +70ºC

3

-40ºC to +75ºC

4

-40ºC to +85ºC

5

-40ºC to +90ºC

6

0ºC to +55ºC

7

-40ºC to +125ºC

8

0ºC to +50ºC

9

-10ºC to +50ºC

10

-10ºC  to +70ºC

11

-30ºC to +75ºC

12

-30ºC to +80ºC

13

-350ºC to +80ºC

14

±100 ppm

P

±50 ppm

Q

±45 ppm

R

±40 ppm

S

±35 ppm

T

±30 ppm

U

±25 ppm

V

±20 ppm

W

±15 ppm

X

±10 ppm

Y

±7.5 ppm

YY

±5 ppm

Z

±4 ppm

ZZ

±3 ppm

ZY

6 pF

6

10 pF

10

12 pF

12

15 pF

15

16 pF

16

18 pF

18

20 pF

20

22 pF

22

30 pF

30

32 pF

32

50 pF

50

Series

S

   

❑    

- A 12.5T - 

 

❑

M

PACKAGE TYPE
FREQUENCY TOLERANCE @ 25ºC

FREQUENCY
OPTIONS
LOAD CAPACITANCE

EXAMPLE

Load Capacitance

6 pF

6

7 pF

7

12.5 pF

12.5

            

❑    

-

A

P

1

F

 18

T -   

❑

M

PACKAGE TYPE
FREQUENCY TOLERANCE @ 25ºC
FREQUENCY STABILITY
OVER TEMPERATURE

FREQUENCY
OPTIONS
LOAD CAPACITANCE
OPERATING MODE
OPERATING TEMPERATURE RANGE

EXAMPLE

ADXSM-281               pg9
ADXSM-371               pg13
ADXSM-391               pg14

ADXSM-411               pg15
ADXSM-412               pg15
ADXSM-481A              pg18

ADXSM-481B              pg19
ADXSM-482B              pg19

Package Type

±100ppm

A

±50ppm

B

±45ppm

C

±40ppm

D

±35ppm

E

±30ppm

F

±25ppm

G

±20ppm

H

±15ppm

I

±10ppm

J

±5ppm

K

Frequency Tolerance 

@ 25ºC

Bulk

Blank

Insulator Tab

I

Tape & Reel

T

Options

MHz

M

KHz

K

Frequency

Revised 06/26/02