TF202P32K7680 CTS | Alldatasheet
Document overview
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Technical content
Document No. 008-0353-0 Page 1- 3 Rev. B www.ctscorp.com TF20 Series Tuning Fork Crystal
FEATURES
- 32.7680 kHz Frequency Reference
- Package Size 2.0mm x 1.2mm
- Tuning Fork Crystal Design
- Hermetic Ceramic Package
- Frequency Tolerance, ±20 ppm Standard [±10 ppm, ±30 ppm and ±50 ppm available]
- Frequency Temperature Coefficient, -0.030ppm/°C2
- Operating Temperature, -40°C to +85°C Standard
- Tape & Reel Packaging, EAI-481-2
- RoHS/Green Compliant (6/6)
APPLICATIONS
The TF20 crystal series is ideal for use in a wide range of communication equipment, measurement equipment, industrial applications, automotive electronics, wireless communications, PDAs, mobile phones and notebooks.
ORDERING INFORMATION
Example Part Numbers: TF202P32K7680 TF202J32K7680 20 = 2.0mm x 1.2mm K - indicates kHz and decimal point. 1 Contact your local CTS Representative or CTS Customer Service for availability. FREQUENCY TOLERANCE @ 25°C LOAD CAPACITANCE 1] Frequency is recorded with two leading digits before the ‘K’ and 4 significant digits after the ‘K’ (including zeros). Not all performance combinations and frequencies may be available. P = 12.5 pF [standard] J = 9 pF 1 = ± 10 ppm 2 = ± 20 ppm [standard] 3 = ± 30 ppm 5 = ± 50 ppm PACKAGE SIZE FREQUENCY IN kHz 80TF 2 0 3 2 K
Document No. 008-0353-0 Page 2 - 3 Rev. B TF20 Series Tuning Fork Crystal
ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNIT Frequency f0 32.7680 kHz Operating Mode - - Frequency Tolerance @ +25°C * Δf/f0 - 20 - ± ppm Frequency Temperature Coefficient Δf/fM - Frequency Stability Operating Temperature Range TA -40 - +85 °C Turnover Temperature TM ±5°C - +25 - °C Load Capacitance * CL Standard - 12.5 - pF Aging Δf/f0 @+25°C, 1st year - - 3.0 ± ppm Drive Level DL - 0.1 0.5 µW Shunt Capacitance C0 @1 MHz - - 7.0 pF Motional Capacitance C1 -7 . 0-f F Series Resistance R1 -- 9 0 k O h m s Insulation Resistance Ri +100Vdc ±15Vdc 500 - - M Ohms Storage Temperature Range TSTR -55 - +125 °C * See Ordering Information for available options. Flexural Mode [Tuning Fork] See Figure 1 ELECTRICAL PARAMETERS PACKAGING INFORMATION Per standard EIA-418. Device quantity is 3,000 pieces per 180mm reel. DIRECTION OF FEED 1.45 2.25 8.0 4.0 DIMENSIONS IN MILLIMETERS 4.0 Ø1.50 1.75 0.8 FIGURE 1 PARABOLIC TEMPERATURE CURVE -130 -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 - 4 0 - 3 0 - 2 0 - 1 0 0 1 02 03 04 05 06 07 08 09 0 Temperature [°C] Δf/f [ppm] Frequency stability [ppm] is determined using parabolic curve, Δf = Temperature Coefficent(TA-TM)2. Ex. Find frequency stability at T A = 45°C Δf = -0.030(20)2 Δf = -12.0 ppm Ø21.4 Ø180Ø60 9.0 120° Ø13.5 2.0
Document No. 008-0353-0 Page 3 - 3 Rev. B TF20 Series Tuning Fork Crystal MECHANICAL SPECIFICATIONS SUGGESTED SOLDER PAD GEOMETRY (0.6) 0.024 (0.6) 0.024 (1.1) 0.043 0.031 (0.8) Key: (mm) inch TF20 PACKAGE DRAWING TF20D MARKING INFORMATION 1. TF20 - CTS Model Series. 2. D – Date code. See Table I for codes. TABLE I – DATE CODE 2001 2005 2009 2013 2017 A B C D E F G H J K L M 2002 2006 2010 2014 2018 N P Q R S T U V W X Y Z 2003 2007 2011 2015 2019 a b c d e f g h j k l m 2004 2008 2012 2016 2020 n p q r s t u v w x y z MONTH JAN FEB MAR DEC YEAR AUG SEP OCT NOVAPR MAY JUN JUL NOTES 1. Complete CTS part number, frequency value, date code and manufacturing site code information must appear on reel and carton labels. 2. Termination pads (e4); barrier plating is nickel [Ni] with gold [Au] flash plate. 3. Reflow conditions per JEDEC J-STD-020; 260°C maximum, 20 seconds. 4. MSL = 1.