TF519 Series Tuning Fork Crystal FEATURES • • • • • • • • • 32.7680 kHz Frequency Reference Package Size 4.9mm x 1.8mm Tuning Fork Crystal Design Hermetic Ceramic Package Frequency Tolerance, ±20 ppm Standard Frequency Temperature Coefficient, -0.034ppm/°C2 Operating Temperature, -40°C to +85°C Standard Tape & Reel Packaging, EAI-481 RoHS/Green Compliant (6/6) APPLICATIONS The TF519 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 519 3 2 K 7 6 8 0 PACKAGE SIZE PACKAGING OPTIONS 519 = 4.9mm x 1.8mm R - 3k pcs./reel FREQUENCY TOLERANCE @ 25°C FREQUENCY IN kHz 2 = ± 20 ppm [standard] K - indicates kHz and decimal point. 1 LOAD CAPACITANCE P = 12.5 pF [standard] 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] Device quantity is 3k pcs. maximum per 180mm reel. Document No. 008-0450-0 Page 1- 3 www.ctscorp.com Rev. A TF519 Series Tuning Fork Crystal ELECTRICAL PARAMETERS ELECTRICAL CHARACTERISTICS PARAMETER 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 SYMBOL f0 Δf/f0 Δf/fM TA TM CL Δf/f0 DL C0 C1 R1 Ri TSTR CONDITIONS @+25°C ±5°C Standard @+25°C, 1st year +100Vdc ±15Vdc MIN TYP MAX 32.7680 Flexural Mode [Tuning Fork] 20 -0.034±0.006ppm/°C2 See Figure 1 -40 +85 +25 12.5 3.0 0.5 1.0 1.35 2.1 70 500 -40 +85 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 -10 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 -20 -30 -40 ? f/f [ppm] -50 Frequency stability [ppm] is determined using parabolic curve, Δf = Temperature Coefficent(TA-TM)2. -60 -70 -80 Ex. Find frequency stability at TA = 45°C Δf = -0.034(45-25)2 Δf = -0.034(20)2 Δf = -13.6 ppm -90 -100 -110 -120 -130 -140 -150 Temperature [°C] Document No. 008-0450-0 Page 2 - 3 Rev. A TF519 Series Tuning Fork Crystal MECHANICAL SPECIFICATIONS TF519 PACKAGE DRAWING MARKING INFORMATION 1. YM – Date code; Y – year [last digit], M – month [See Table I for codes]. 2. xxx – Lot code. CYMxxx 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. SUGGESTED SOLDER PAD GEOMETRY TABLE I MONTH CODE Jan 1 Feb 2 Mar 3 Document No. 008-0450-0 Apr 4 May 5 Jun 6 Jul 7 Page 3 - 3 Aug 8 Sept 9 Oct X Nov Y Dec Z Rev. A