Tel :

0044 (0)118 979 1238

Fax :

0044 (0)118 979 1283

email :

info@actcrystals.com

For quotations or further information please contact us at:

3 The Business Centre, Molly Millars Lane, Wokingham, Berkshire, RG41 2EY, UK

http://www.actcrystals.com

The ACT631SMX-2 is a 2 pad, high quality, low aging, metal seam packaged crystal suitable for automatic

placement on printed circuit boards. With a wide frequency range, and tight stability it has become one of

the optimum choices for design engineers. Applications include Communications, Microprocessor System

Instrumentation and many more.

Please note that all parameters can not necessarily be specified in the same device

ISO9001:2000 Registered

500M

Ω min

±5ppm / year max

Please specify

ACT631SMX-2

Condition

fo

Parameter

Frequency Range

@25°C

Please specify

Please specify

Please specify

@25°C

6 ~ 30pF

7pF max

100

μW max

-20 ~ +70°C & -40 ~+85°C

-40 ~ +125°C

See table below

@100V DC

Mode

Fundamental

Fundamental

Third Overtone

32.0 ~ 120.0

ESR (

Ω) max

60

Frequency Range (MHz)

12.0 ~ 15.9

40

80

Topr

Tstg

ESR

16.1 ~ 45.0

CL

C0

DL

IR

Fa

Insulation Resistance

Aging

Shunt Capacitance

In line with our ongoing policy of product evolvement and improvement, the above specification may be subject to change without notice

Specification

Specification

12.00 ~ 120.00 MHz

Symbol

Temp Storage Range

Equivalent Series Resistance

Load Capacitance

Stability over Temp Range

±10ppm ~ 50ppm

Δf/fo

Frequency Tolerance

Tc

±10ppm ~ 30ppm

Temp Operating Range

Drive Level

3.0

1.0 max

6.0 ± 0.2

3.5 ± 0.2

4.0

2.5

2.0

2.5

Dimension in mm

Suggested Footprint

Issue: 5 D2

Date: 16/08/04

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