19013 36th Ave. West Suite H Lynnwood, WA 98036, USA
WX Watch Crystals
32.768 kHz Cylindrical Watch Crystals
Available in 3 Sizes - WX: 3x8mm, WX26: 2x6mm, WX15: 1.5x5mm
32.768 kHz
Standard Specifications
± 20 PPM at 25°C
Calibration Frequency Tolerance
Operating Temperature Range (OTR)
Frequency Stability over OTR
°
-10 to +60 C
Calculate as: Frequency shift from 25°C to T°C in PPM = - 0.038 x (T - 25) 2 ± 10%
Load Capacitance
12.5 pF standard for WX and WX26, 8 pF standard for WX15, 6 pF available WX26 only
Equivalent Series Resistance (ESR)
Drive Level
Aging at 25 C for the 1st year
40 kW maximum
m
1 W maximum
°
± 3 PPM maximum
1.7pF maximum
Shunt Capacitance
Part Numbering Guide
WX26 -- 32.768K -- 6pF
Model
WX: 3x8mm
WX26: 2x6mm
WX15: 1.5x5mm
Non Std Load Capacitance for WX26
Blank = 12.5pF for WX and WX26,
Blank = 8pF for WX15
Frequency in kHz
Packaging
Bulk
Consult factory for available specifications.
A special part number may be assigned.
Mechanical: inches (mm)
not to scale
Due to part size and factory abilities, part marking may vary from lot to lot and may contain our part number or an internal code.
MAX Length
Lead Length
MAX
Diameter
Lead Spacing
Lead Dia
Lead Spacing
Model Diameter
WX .122 (3.1)
Length
.323 (8.2)
.244 (6.2)
.201 (5.1)
Lead Length Lead Dia
.043 (1.1)
.028 (0.7)
.018 (.45)
.394 (10.0)
.394 (10.0)
.169 (4.3)
.014 (.35)
.010 (.26)
.008 (0.2)
WX26 .083 (2.1)
WX15 .059 (1.5)
May 2002
(425) 776 -1880, Fax: (425) 776-2760, ple-sales@pletronics.com, www.pletronics.com
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Pl tronics, Inc.
