Datasheet

QANTEK Technology Corporation
Phone: [phone] (tollfree) www.qantek.com
Fax: [phone] (tollfree) [e-mail]
QTC3 Series
1.5x3.2 SMD Tuning Fork
Features
• Low frequency in small size SMD
• Seam sealed ceramic package offers excel-
lent environmental & heat resistance
• Extended temperature -40 to +85°C for
industrial applications
General Specifi cations
Nominal Frequency 32.768kHz
Frenquency Tolerance at 25°C
±20ppm
Temperature Coeffi cient -0.034 ± 0.008ppm/ ºC²
Temperature Range (Operating) -40 to +85ºC
Storage Temperature -55 to +125°C
Load Capacitance C
L
7pF, 9pF, 12.5pF
Shunt Capacitance C
0
1.7pF typ.
Motional Capacitance C
1
3.0fF typ.
Equivalent Series Resistance (ESR)
65K max.
Drive Level
1µW max.
Aging per Year
±3ppm max.
Insulation Resistance (M ) 500 at 100Vdc ±15Vdc
Quality Factor 70000 typ.
Capacitance Ratio 450 typ.
Mechanical Dimensions
0,7
1,8
1,5
max.0,65
0,7
3,2
1,51,0
1,0
Applications
• Commercial and Industrial applications
• Wireless communications
• PDA and Smartphone
• Time of day applications
Tape and Reel Dimensions
QTC3 Rev. 0.1
Part Numbering Guide
Qantek Code Package Nominal Frequency (in kHz) Load Capacitance Operating Temperature Range Frequency Tolerance Packaging
Q = Qantek TC3 = 1.5x3.2 SMD
= Tuning Fork
32.768 07 = 7pF
09 = 9pF
12 = 12.5pF
B = -40 to +85°C 1 = ±10ppm
2 = ±20ppm
3 = ±30ppm
R = 3000pcs Tape&Reel
Example: QTC332.76812B2R bold letters = recommended standard specifi cation