(SMU4 Series) Surface Mount Quartz Crystal
actual size
SMQ series • SMU4
surface mount quartz crystal
features s wide frequency range s extended temperature rang...
Description
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...
Similar Datasheet