CX7

C

SM1

49.0M

,

50

/

50

/

/

I

Frequency

Stability over

Temp. Range

(in ppm)

HOW TO ORDER CX7SM CRYSTALS

+

Calibration

Tolerance

(in ppm)

Frequency

M = MHz

SM1 = Gold Plated

SM2 = Solder Plated

SM3 = Solder Dipped

C=Ceramic Lid

Blank=Glass Lid

STATEK CORPORATION 512 N. MAIN ST., ORANGE, CA 92868 714-639-7810 FAX: 714-997-1256 www.statek.com

YS

TEM

CERTIFICA

T

01

10155 - Rev B

TERMINATIONS

Designation Termination

SM1

Gold Plated

SM2

Solder Plated

SM3

Solder Dipped

SPECIFICATIONS

Specifications are subject to change without notice.

49 MHz

14

2.4

Quality Factor Q (k)

100

0.8

Calibration Tol. Range*

100 ppm to 10000 ppm

Load Capacitance

10pF (unless specified by customer)

Drive Level

200 µW MAX.

Frequency Stability Over Temperature**

10ppm for (Commercial)

35ppm for (Industrial)

50ppm for (Military)

Aging, first year

5 ppm MAX.

Shock, survival***

5,000 G peak 0.3 ms, 1/2 sine

Vibration, survival

20 G RMS, 10-2,000 Hz random

Standard Operating Temperature Ranges

Storage Temperature

Note: The characteristics of the frequency stability over

temperature follow that of the AT-Cut thickness-shear

mode.

+

_

+

_

+

_

+

_

+

_

PACKAGING OPTIONS

CX7SM

-Tray Pack

-16mm tape, 7” or 13” reels

(Reference tape and reel data sheet 10109)

2

1

EQUIVALENT CIRCUIT

R

L

C

C

* Tighter tolerances available as low as 5 ppm

** Does not include calibration tolerance

*** Higher shock version available

+

_

“S” if special or

custom design.

Blank if Std.

Temp. Range:

S = Customer Specified

Frequency

Tolerance

(in ppm)

Calibration Tolerance and Frequency Stability over Temp Range. These are our standard

parameters, if requiring additional parameters please specify.

/

/

100

/

I

Temperature Range:

S = Customer Specified

Total

Frequency

Tolerance

(in ppm)

OR