actual size SMQ series • MG3A surface mount crystal features ■ good heat resistance characteristics ■ extended temperature range type MG3A frequency 3.579545 ~ 33,8 MHz (fundamental AT-cut) 30.0 ~ 91.1 MHz (3rd overtone AT-cut) 30.0 ~ 40.0 MHz (fundamental BT-cut) frequency tolerance at 25 °C ± 50 ppm ± 50 ppm ± 50 ppm frequency temp. characteristic ± 50 ppm ± 100 ppm ± 150 ppm operating temperature -20 °C ~ +70 °C -40 °C ~ +85 °C -40 °C ~ +125 °C storage temperature -40 °C ~ +125 °C -40 °C ~ +125 °C -40 °C ~ +125 °C load capacitance CL 12 pF ~ 32 pF / series 12 pF ~ 32 pF / series 12 pF ~ 32 pF / series shunt capacitance CO < 5 pF < 5 pF < 5 pF drive level max. 100 µ W 100 µ W 100 µ W < ± 5 ppm < ± 5 ppm < ± 5 ppm aging order information example: option table: Q - 16.0 - MG3A - 30 - 50 / 100 - T1 • FUND – fundamental tone 1. • BT 1. 2. 3. 4. 5. 6. 7. 2. 3. 4. 5. quartz: frequency: type: load capacitance: frequency stability at 25 °C: frequency vs temperature: special requirement: 6. 7. Q 16.0 MHz MG3A 30 pF ± 50 ppm ± 100 ppm -40 °C ~ +85 °C (see option table) date code – BT-cut • 3 OT – 3rd overtone • T1 – -40 °C ~ • T3 – -40 °C ~ +125 °C +85 °C marking: Jan. Febr. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. frequency with CL code / company code / date code 1999 a b c d e f g h j k l m example: 2000 n p q r s t u v w x y z 16 a 00 J n 2001 A B C D E F G H J K L M date code / internal code 2002 N P Q R S T U V W X Y Z company code load capacitance code (T = 3rd OT) frequency in MHz (4 digits max.) 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: [email protected] • 05/2001 SMQ series • MG3A dimensions pad layout 1.6 #3 3.4 top view 9.4 13.1 side view bottom view 4.0±0.1 0.3±0.1 11.5±0.1 1.75±0.3 2.0±0.1 13.4±0.3 24.0±0.3 6.0±0.2 #2 #4 #3 Terminals # 1 - # 4 X-tal # 2 - # 3 GND 2.0 6.7 top view in mm test conditions: taping specification ø 1.5±0.1 #1 1.2 #4 5.0 #2 5.0 #1 3.0 2.4 1.6 ø 2.2±0.2 8.0±0.2 5.5±0.2 Direction of feed 1000 pcs per reel in mm series resistance (Rs) / motional capacitance (C 1 ) table Rs typ. in Ω a) acceleration: 1000 g /0.5 ms, 1/2 sine wave b) shock (random drop): height 75 cm, 3 times to hardwood surface (∆R/R ≤ 20%; ∆f/f ≤ ± 5 ppm) c) vibration: f = 10 Hz ~ 55 Hz; amplitude = 1.5 mm; period = about 1 minute; time = 2 h each direction d) solderability: according to DIN 68-2-54 frequency in MHz cut vibration mode Rs max. in Ω C1 typ. in fF 3.5 ~ 3.69 AT fund 180 3.7 ~ 3.99 AT fund 150 60 ~80 2.5 ~ 5.5 4.0 ~ 4.09 AT fund 150 50 ~ 70 3.0 ~ 3.4 4.1 ~ 4.39 AT fund 130 50 ~ 70 3.0 ~ 3.4 4.4 ~ 4.99 AT fund 120 40 ~ 60 2.9 ~ 3.5 5.0 ~ 5.99 AT fund 120 40 ~ 60 3.9 ~ 4.2 6.0 ~ 6.99 AT fund 80 35 ~ 55 3.2 ~ 3.6 7.0 ~ 7.99 AT fund 75 25 ~ 45 3.2 ~ 3.6 reflow soldering profile standard load capacitance codes 12 pF: a 24 pF: d 16 pF: b 30 pF: . 18 pF: f 32 pF: e 20 pF: c series: s 22 pF: g temperature (°C) reflow 235±5 preheating 150±10 cooling 60 - 120 20 70 ~ 100 2.5 ~ 5.5 8.0 ~ 9.99 AT fund 70 20 ~ 40 5.9 ~ 7.0 10.0 ~ 11.99 AT fund 50 15 ~ 35 6.0 ~ 8.0 12.0 ~ 13.99 AT fund 50 15 ~ 35 6.5 ~ 8.5 14.0 ~ 15.99 AT fund 50 10 ~ 15 9.2 ~ 11.2 16.0 ~ 17.99 AT fund 50 10 ~ 15 9.2 ~ 11.2 18.0 ~ 19.99 AT fund 50 10 ~ 15 9.2 ~ 11.2 20.0 ~ 33.8 AT fund 50 10 ~ 15 10.0 ~ 13.5 30.0 ~ 40.0 BT fund 50 10 ~ 15 10.0 ~15.0 30.0 ~ 91.1 AT 3rd OT 100 80 10 20 time (seconds) 0.8 ~ 2.5 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: [email protected] • 05/2001