J
X
E
4
2
QuQarutzarCtzryCsrtyaslt•alJX•EJ4X2E 63
Surface Mount Quartz Crystal
actual size
actual size
Features
ꢀ
ceramic/ceramic package
ꢀ
bluetooth applications
General Data
ESR (series resistance Rs)
type
JXE42
frequency
in MHz
vibration ESR max.
ESR typ.
in Ω
40
frequency range
13.0 ~ 50.0 MHz
( fund. AT-cut )
mode
in Ω
80
13.0 ~ 15.999 fund.- AT
16.0 ~ 50.000 fund.- AT
60
30
frequency tolerance at 25 °C
load capacitance CL
shunt capacitance Co
storage temperature
drive level max.
20 ppm ~ 30 ppm
12 pF ~ 16 pF
< 7 pF
-40 °C ~ +90 °C
100 µW
<
5 ppm first year
aging
Marking
Frequency Stability vs. Temperature
frequency with load capacitance code
30 ppm
50 ppm
O
company code / date code / internal code
-20 °C ~ +70 °C
-40 °C ~ +85 °C
STD.
T1
O
date code:
example:
year/month
O
4A = 2004 January
standard
•
Jan.
A
Febr. Mar.
Apr.
D
May
E
June
F
O
on request
B
C
July
G
Aug.
H
Sept.
J
Oct.
K
Nov.
L
Dec.
M
Order Information
stability vs.
temp. range
in ppm
frequency
in MHz
type
load capacitance
in pF
stability at 25 °C
in ppm
option
Q
Quartz
13.0 ~ 50.0 MHz
JXE42
12 pF ~ 16 pF
20 ppm
30 ppm
see table
blank = -20°C ~ +70°C
FU = fundamental AT-cut
T1 = -40°C ~ +85°C
Example: Q 28.0-JXE42-12-20/30-FU
T h e p u l s e o f p r o g r e s s
T h e p u l s e o f p r o g r e s s
Jauch Quartz GmbH • Telephone: (+49) 77 20 / 9 45-0 • Telefax: (+49) 77 20 / 9 45-100 • Internet: www.jauch.de • e-mail: info@jauch.de • 02/2004