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| MT F32 MM TF3 2 SM 26F MTF Quartz Crystal * JXE 63 Tuning Fork Quartz Crystal Features s three different package versions s surface mount version available MTF32 MMTF32 SM26F actual size General Data type frequency frequency tolerance at 25 C load capacitance CL frequency temperature characteristic operating tenperature range shunt capacitance Co ratio Co / C1 series resistance max. ( ESR ) storage temperature drive level max. aging first year * T = requested temperature MTF32 32.768 kHz 10 ppm 10 pF (15.0 ~ 150.0 kHz) 20 ppm 12.5 pF MMTF32 32.768 kHz 10 ppm 10 pF (28.0 ~ 80.0 kHz) 20 ppm 12.5 pF SM26F 32.768 kHz 20 ppm 12.5 pF (28.0 ~ 80.0 kHz) 30 ppm 12.5 pF f (ppm) = -0.036 ( 25C -T* )2 -20C ~ +70C / -40C ~ +85C 1.3 pF typical 530 typical 30.0 k -40 C ~ +90 C 1 W < 5 ppm f (ppm) = -0.036 ( 25C -T* )2 -20C ~ +70C / -40C ~ +85C 1.1 pF typical 470 typical 30.0 k -40 C ~ +90 C 1 W < 5 ppm f (ppm) = -0.036 ( 25C -T* )2 -20C ~ +70C / -40C ~ +85C 1.1 pF typical 570 typical 50.0 k -40 C ~ +90 C 1 W < 5 ppm Frequency Stability vs. Temperature - 80 ppm -20 C ~ +70 C -40 C ~ +85 C STD. T1 - 160 ppm Marking KDS 32.768 / date code ( month / year ) date code: A ~ M: Jan.- Dec. 2: 2002 / 3: 2003 Jan. A July G Febr. B Aug. H Mar. C Sept. J Apr. D Oct. K May E Nov. L June F Dec. M * * * standard Order Information Q frequency in MHz type load capacitance in pF stability at 25 C in ppm option Quartz 0.032768 MHz standard 15.0 ~ 150.0 kHz MTF32 28.0 ~ 80.0 kHz MMTF32 28.0 ~ 80.0 kHz SM26F MTF32 MMTF32 SM26F 6 pF ~ 12,5 pF 20 ppm 10 ppm T1= -40C~+85C Example: Q 0.032768-MTF32-12.5-20 The pulse of progress Jauch Quartz GmbH * Telephone: (+49) 77 20 / 9 45-0 * Telefax: (+49) 77 20 / 9 45-100 * Internet: www.jauch.de * e-mail: hcj@jauch.de * 08/2002 Quartz Crystal * MTF32 * MMTF32 * SM26F Dimensions MTF32 8.0+0.3/-0.2 3.0+0.1/-0.2 10.01.0 tuning fork crystal - handling note for through hole type 1. mounting: * if the crystal is mounted on board directly (orientation: lay down) or fixed by metal parts, the body of the crystal will be heated up * recommended mounting: rubber glue paste in mm o 0.350.02 1.10.2 crystal PC board anti-heating material MMTF32 6.0 2.0+0.1/-0.2 +0.1/-0.2 2. soldering: * pre-heating +130 C ~ + 150 C for 1 to 3 mintues * soldering +230 C ~ + 250 C for 5 seconds maximum 3. cleaning: 0.70.2 7.5 1.0 * ultrasonic cleaning with organic solvents * ultrasonic frequency should not be equal to the resonance frequency of the crystal * handle the crystal carefully, it cannot stand heavy shock * if you test the whole board automatically do not apply pulse to the crystal oscillator circuit, especially high pulse level can break the crystal blank 4. handling: o 0.280.05 5. testing: in mm SM26F type A (1000 pcs per reel) o 0.3050.03 6.0+0.1/-0.2 2.10.2 pad layout 3.4 1.7 3.25 max. 0.70.1 3.8 1.9 in mm o 2.00.1 SM26F type B (1000 pcs per reel) 6.0+0.1/-0.2 3.00.2 2.90.3 1.10.2 pad layout 2.5 2.54 1.0 6.0 in mm 1.75 o 2.00.1 o 0.3050.03 2.540.2 2.00.2 2.1 max. 0.70.1 2.5 1.0 The pulse of progress Jauch Quartz GmbH * Telephone: (+49) 77 20 / 9 45-0 * Telefax: (+49) 77 20 / 9 45-100 * Internet: www.jauch.de * e-mail: hcj@jauch.de * 08/2002 |
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