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Watch Crystals

Introduction to ACT Watch Crystals

32.768kHz, the Watch Crystal frequency is one of the most commonly requested frequencies. Used primarily for real time applications and clocking some micro's in low power mode. The vast range of applications that require such crystals also demand a wide variety of specifications and packages. We still service a good number of customers with through hole parts where cost is the major driver.

Most applications though call for an SMD package and we offer an expanding range of SMD package options. This covers most popular industry packages from the standard "workhorse" package in 8x3.8x2.5mm to the ultra miniature 3.2x1.6x0.9mm package. Note:- Need a simple solution??

We also have 32.768kHz oscillators available in our oscillator profile - Please Click here

To download the Watch Crystals page from the ACT shortform - Please Click Here

To download the whole ACT shortform (24 pages) - Please Click here

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Package Type :
Required Frequency : MHz
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Series Type From To l (mm) w (mm) h (mm) Specifications Info Data
ACT 2x6 Through Hole Metal Cylinder 32.768 kHz n/a 0.00 2.00 6.00 Tolerance : 5ppm, 10ppm, 20ppm
Op/Temps : -10+60, -20+70 & -40+85 Deg C
CL : 6pF ~ 12.5pF
ACT 3x8 Through Hole Metal Cylinder 32.768 kHz n/a 0.00 3.00 8.00 Tolerance : 5ppm, 10ppm, 20ppm
Op/Temps : -10+60, -20+70 & -40+85 Deg C
CL : 6pF ~ 12.5pF
ACT TWC913 Surface Mount ceramic electron beam sealed package 32.768 kHz n/a 1.60 1.00 0.50 Tolerance : 10ppm, 20ppm, 50ppm & 100ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF & 9pF
ACT TWC912 Surface Mount ceramic electron beam sealed package 32.768 kHz n/a 2.00 1.20 0.60 Tolerance : 20ppm, 50ppm & 100ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF & 9pF
ACT 3215A Surface Mount Ceramic Package 32.768 kHz n/a 3.20 1.50 0.90 Tolerance :20ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF (Std), 7pF & 9pF
ACT 4115A Surface Mount Ceramic Package 32.768 kHz n/a 4.10 1.50 0.90 Not for new designs
Tolerance :20ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF (Std), 7pF & 9pF
ACT 711E Surface Mount Plastic Package 32.768 kHz n/a 7.00 1.50 1.40 Tolerance : 20ppm (Std ) 150ppm & 100ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF (Std) & 7pF
ACT 711S Surface Mount Plastic Package 32.768 kHz n/a 7.00 1.50 1.40 Tolerance : 20ppm, 50ppm & 100ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF (Std) & 7pF
ACT 200A Surface Mount Plastic Package Industry Standard 32.768 kHz n/a 8.00 3.80 2.54 Preferred Product
Tolerance :20ppm (also 5ppm option)
Op/Temps : -40+85 Deg C
CL : 12.5pF (Std) & 6pF
ACT 200B Surface Mount Plastic Package Industry Standard 32.768 kHz n/a 8.00 3.80 2.60 Tolerance :20ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF (Std) & 6pF
ACT 200C Surface Mount Plastic Package Industry Standard 32.768 kHz n/a 8.00 3.80 2.60 Tolerance :20ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF (Std) & 6pF
ACT J206SMX(S) Surface Mount Metal Cylinder Square Case 32.768 kHz n/a 8.40 2.50 2.20 Tolerance :20ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF
ACT J206SMX(L) Surface Mount Metal Cylinder Square Case 32.768 kHz n/a 9.40 2.50 2.20 Tolerance :20ppm
Op/Temps : -40+85 Deg C
CL : 12.5pF

  • Please use the online form below to submit your enquiry. 
  • Where possible we have tried to standardise parameters, and will aim to match your requirements exactly.
    In certain cases, there maybe a more cost effective / superior alternative you will be advised if this is the case. 
  • Due to the nature of frequency control components, some combinations of specifications may not be possible. Please consult individual datasheets.
  • If you require something custom not covered by the standard selection fields please include these details in the comments box at the end.

Basic Watch Crystal Specification - Required Details:-
Package / Series
Frequency
Frequency Tolerance @ 25 Deg C
Frequency Stability over Operating Temperature
Operating Temp Range (Deg C)
Capacitance Load
Packaging
Project Details
Project Name (if applicable)
Quantity
Target Price
Contact Details
* Full Name
* Job Title
* Company Name
* Email
* Country
* Telephone
* County/Province
Address
Comments / Requirements
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Product Info