TUNING FORK CRYSTAL UNIT
(SMD • Ceramic Package)
RoHS compliant / Pb free
CM212
■
FEATURES
3000pcs/reel
7Tuning
fork crystal with in-house ceramic.
7High-density
SMD type
Ultra-light weight with ultra-miniature packaging.
High-stability assured with tight vacuum sealing.
7Most
appropriate for portable devices and mobile
telecommunications devices.
Life-size
■
DIMENSION [mm]
2.0±0.1
1.2±0.1
■
SOLDER PAD LAYOUT [mm]
0.7
（0.8）
0.7
0.6 Max.
（1.4）
1.0
C0.2
Internal connection
0.4
■
STANDARD SPECIFICATIONS
Item
Nominal Frequency
Frequency Tolerance
Load capacitance
Operating Temperature Range
Storage Temperature Range
Turnover Temperature
Temperature Coefficient
Motional (series) resistance
Level of drive
Aging (first year)
Shunt capacitance
Model
1.0
1.5
CM212
32.768kHz
±20ppm
12.5pF
−
40℃∼
＋
85℃
−
55℃∼
＋
125℃
Conditions
at 25˚C
Need to specify your requirement
f
0
△
f/f
0
C
L
T
OPR
T
STR
T
M
β
R
1
D
L
△
f/f
0
25℃±5℃
−
0.04ppm/℃
2
Max.
90KΩMax.
0.5μW Max.
±3ppm Max.
1.7pF Typ.
at 25˚C
25℃±3℃
C
0
http://cfm.citizen.co.jp/english/product/pr02.html
1.4
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
