Tel :
Fax :
email :
0044 (0)118 979 1238
0044 (0)118 979 1283
info@actcrystals.com
ACT TWC912 SMX-2 & ACT TWC913 SMX-2
The ACT TWC91x series are miniature surface mount Watch Crystals in an electron beam sealed metal lid
ceramic package offering high packing densities, light weight, low height and reliability. High stability is
assured with a vacuum. It is very suitable for Smart cards, SDIO cards and miniature portable devices
requiring close component packing density requirements. The product is available taped and reeled with a
maximum of 3,000 pieces per reel. The devices are fully RoHS compatible and suitable for RoHS2 soldering
processes.
Specification
Parameter
Symbol
fo
∆f/fo
∆f/fo
Tm
Specification
32.768KHz
±20, ±50 & ±100ppm (TWC913 ±10ppm option.)
condition
Nominal Frequency
Frequency Tolerance @25°C
Frequency v Temperature
Turnover Temperature
Temperature Coefficient
Temp Operating Range
Temp Storage Range
Equivalent Series Resistance
Load Capacitance
See Plot Below
25°C ±5°C
-0.03±0.01ppm / °C2 max
-40 ~ +85°C
β
Topr
Tstg
ESR
CL
-55 ~ +125°C
90KΩ max
12.5pF (standard)
9pF available please specify
Motional Capacitance
Drive Level
Insulation Resistance
Aging
C1
DL
IR
Fa
6.0fF Typical (TWC913) 7.0fF Typical (TWC912)
DL 0.1µW typical 0.5µW max
500MΩ @ 100±15VDC min
±5ppm max
First year, 25°C ±3°C
Marking AA9xxx
In line with our ongoing policy of product evolvement and improvement, the above specification may subject to change without notice
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
Issue 2 I3R
16/05/2013