Q-25.0-SMU4-18-30

actual size SMQ series SMU4 surface mount quartz crystal features s wide frequency range s extended temperature range type frequency SMU4 (HC49/U4H - SMD) 3.579545 MHz ~ 25 MHz fundamental AT-cut 27.0 MHz ~ 50.0 MHz 3rd overtone AT-cut frequency tolerance at 25 °C frequency temp. characteristic operating temperature storage temperature load capacitance CL shunt capacitance CO drive level max. aging ± 30 ppm ± 30 ppm ± 30 ppm ± 50 ppm standard ± 30 ppm ± 100 ppm -20 °C ~ +70 °C -40 °C ~ +90 °C 12 pF ~ 30 pF / series < 7 pF 100 µ W < ± 5 ppm -40 °C ~ +85 °C order information example: Q - 25.0 - SMU4 - 30 - 30 / 50 - BT 1. 1. 2. 3. 4. 5. 6. 7. 2. 3. 4. 5. 6. 7. quartz: frequency: type: load capacitance: frequency stability at 25 °C: frequency vs temperature: special requirement: date code 1999 2000 2001 2002 a n A N Jan. Febr. Mar. Apr. May June July Aug. Sept. Oct. Nov. Dec. b p B P c q C Q d r D R e s E S f t F T g u G U h v H V j w J W k x K X l y L Y m z M Z w w Q 25.0 MHz SMU4 30 pF ± 50 ppm ± 50 ppm BT-cut (see option table) w .D t a S a e h -40 °C ~ +90 °C 12 pF ~ 30 pF / series < 7 pF t e U 4 .c m o 24.0 MHz ~ 40.0 MHz fundamental BT-cut ± 50 ppm +10/-100 ppm -20 °C ~ +70 °C -40 °C ~ +90 °C 12 pF ~ 30 pF / series < 7 pF 100 µ W < ± 5 ppm 100 µ W < ± 5 ppm option table: FUND – fundamental tone BT 3 OT T1 – BT-cut – 3rd overtone – -40 °C ~ +85 °C marking: frequency with CL code / company code / date code / internal code e...