Parameter

Symbol

Specification

condition

Nominal Frequency

fo

32.768KHz

Frequency Tolerance @25°C

Δf/fo

±20ppm

DL 0.1

μW

Frequency v Temperature

Δf/fo

See Drawing Below

Turnover Temperature

Tm

25°C ±5°C

Temperature Coefficient

β

-0.034±0.006ppm / °C

Temp Operating Range

Topr

-40 ~ +85°C

Temp Storage Range

Tstg

-55 ~ +125°C

Equivalent Series Resistance

ESR

70K

Ω max

Load Capacitance

CL

12.5pF (standard)

Shunt Capacitance

C0

0.95pF Typical

Motional Capacitance

C1

0.0033pF Typical

Drive Level

DL

1.0

μW max

Insulation Resistance

IR

500M

Aging

Fa

±3ppm max

First year, 25°C ±3°C

Reflow

Please refer to page 2

Leakage

<1X10

Helium leakage

Issue1M4E

13/08/2008

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

http://www.actcrystals.com

ACT3215A SMX

ISO9001:2000 Registered

Specification

9pF and 7pF available please specify

Tel :

0044 (0)118 979 1238

Fax :

0044 (0)118 979 1283

email :

info@actcrystals.com

The ACT3215A is a miniature surface mount high density Watch Crystal in a metal lid

ceramic package offering light weight and low height. High stability is assured with a

vacuum, within a seam sealed package. It is very suitable for portable equipment and

close component packing density requirements. The product is available taped and

reeled on 3,000 piece reels and is fully RoHS compatible.

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

For quotations or further information please contact us at:

Material Mass Grams

Material Mass Grams

Ag

0.0720

Mo

0.0458

Al2O3

6.7161

Ni

1.0202

Au

0.8505

Pd

0.0001

CaO

0.0275

Si Resin

0.0080

Co

0.5066

SiO2

0.5674

Cr2O3

0.2837

Sn

0.0800

Fe

1.5840

Ti

0.0006

Ge

0.0648

TiO2

0.0732

MgO

0.0366

W

1.4000

Total

13.33676g

ACT 3215 Material Content