Parameter

Symbol

Specification

condition

Nominal Frequency

fo

32.768KHz

Frequency Tolerance @25°C

∆f/fo

±20ppm

DL 0.1

µW

Frequency v Temperature

∆f/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

1.1 pF Typical

Motional Capacitance

C1

0.0021 pF 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

abc

Issue 4 M4E

Date: 11-2-2013

Specification

9pF and 7pF available please specify

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

NOT RECOMMENDED FOR NEW DESIGNS

ISO9001:2000 Registered

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

Tel :

0044 (0)118 979 1238

Fax :

0044 (0)118 979 1283

email :

info@actcrystals.com

The ACT4115A 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.

ACT4115A SMX

Material Mass Grams

Material Mass Grams

Ag

0.0900

Mo

0.0458

Al2O3

8.0770

Ni

1.0027

Au

1.0021

Pd

0.0001

CaO

0.0280

Si Resin

0.0100

Co

0.5260

SiO2

0.3020

Cr2O3

0.3420

Sn

0.1200

Fe

1.8070

Ti

0.0008

Ge

0.0650

TiO2

0.0900

MgO

0.0450

W

1.3130

Total

15.725g

ACT 4115 Material Content