TF32 Series Tuning Fork Crystal FEATURES • • • • • • • • • 32.7680 kHz Frequency Reference Package Size 3.2mm x 1.5mm 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, EIA-481 RoHS/Green Compliant [6/6] APPLICATIONS The TF32 crystal series is ideal for use in a wide range of communication equipment, notebooks, computer peripherals, audio visual, Bluetooth and other wireless applications, USB interfaces, PDAs and automotive electronics. ORDERING INFORMATION TF 3 2 3 2 K 7 6 8 0 PACKAGING OPTIONS PACKAGE SIZE T - 1k pcs./reel R - 3k pcs./reel 32 = 3.2mm x 1.5mm FREQUENCY TOLERANCE @ 25°C 1 2 3 5 = = = = ± ± ± ± 10 20 30 50 FREQUENCY IN kHz ppm ppm [standard] ppm ppm K - indicates kHz and decimal point. 1 LOAD CAPACITANCE P = 12.5 pF [standard] J = 9 pF N = 7 pF T = 6 pF 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. Contact your local CTS Representative or CTS Customer Service for availability. PACKAGING INFORMATION [reference] Factory may package reels in quantities of 1k pcs. or 3k pcs. Reel size is 180mm. Document No. 008-0354-0 Page 1- 3 www.ctscorp.com Rev. D TF32 Series Tuning Fork Crystal ELECTRICAL CHARACTERISTICS ELECTRICAL PARAMETERS PARAMETER SYMBOL f0 Δf/f0 Δf/fM Frequency Operating Mode Frequency Tolerance * Frequency Temperature Coefficient Frequency Stability Operating Temperature Range Turnover Temperature Load Capacitance * Aging Drive Level Shunt Capacitance Motional Capacitance Series Resistance Insulation Resistance Storage Temperature Range CONDITIONS @+25°C TA TM CL Δf/f0 DL C0 C1 R1 Ri TSTR ±5°C Standard @+25°C, 1st year @1 MHz +100Vdc ±15Vdc MIN TYP MAX 32.7680 Flexural Mode [Tuning Fork] 20 2 -0.030 ±0.01ppm/°C See Figure 1 -40 +85 +25 12.5 3.0 0.1 0.5 7.0 5.0 70 500 -55 +125 UNIT kHz ± ppm °C °C pF ± ppm µW pF fF k Ohms M Ohms °C * See Ordering Information for available options. FIGURE 1 PARABOLIC TEMPERATURE CURVE 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 -10 -20 -30 -40 Frequency stability [ppm] is determined using parabolic curve, Δf = Temperature Coefficent(TA-TM)2. Δf/f [ppm] -50 -60 Ex. Find frequency stability at TA = 45°C Δf = -0.030(45-25)2 Δf = -0.030(20)2 Δf = -12.0 ppm -70 -80 -90 -100 -110 -120 -130 Temperature [°C] Document No. 008-0354-0 Page 2 - 3 Rev. D TF32 Series Tuning Fork Crystal MECHANICAL SPECIFICATIONS TF32 PACKAGE DRAWING TF32D MARKING INFORMATION 1. TF32 - CTS Model Series. 2. D – Date code. See Table I for codes. TABLE I – DATE CODE MONTH JAN YEAR FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC M 2001 2005 2009 2013 2017 A B C D E F G H J K L 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 SUGGESTED SOLDER PAD GEOMETRY (1.0) (1.5) (1.0) 0.039 0.059 0.039 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. (1.8) 0.071 Key: (mm) inch Document No. 008-0354-0 Page 3 - 3 Rev. D