参数资料
型号: CM21232768EZFT
厂商: Citizen Finetech Miyota
文件页数: 1/1页
文件大小: 0K
描述: CRYSTAL 32.7680 KHZ 12.5 PF SMD
特色产品: CM212 Series Tuning Fork Crystals
标准包装: 1
系列: CM212
类型: kHz 晶体(音叉)
频率: 32.768kHz
频率公差: ±10ppm
负载电容: 12.5pF
ESR(等效串联电阻): 90 千欧
工作模式: 基谐
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 2-SMD
尺寸/尺寸: 0.079" L x 0.047" W(2.00mm x 1.20mm)
高度: 0.024"(0.60mm)
包装: 标准包装
其它名称: 300-8780-6
TUNING FORK CRYSTAL UNIT (SMD ? Ceramic Package)
RoHS compliant / Pb free
CM212
3000pcs/reel
■ FEATURES
7 Tuning fork crystal with in-house ceramic.
7 High-density SMD type
Ultra-light weight with ultra-miniature packaging.
High-stability assured with tight vacuum sealing.
7 Most appropriate for portable devices and mobile
telecommunications devices.
Life-size
■ DIMENSION [mm]
2.0±0.1
■ SOLDER PAD LAYOUT [mm]
(1.4)
1.0
C0.2
Internal connection
0.7
(0.8)
0.7
1.5
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
f 0
△ f/f 0
C L
T OPR
T STR
T M
β
R 1
D L
△ f/f 0
C 0
CM212
32.768kHz
±20ppm
12.5pF
? 40℃~ + 85℃
? 55℃~ + 125℃
25℃±5℃
? 0.04ppm/℃ 2 Max.
90KΩMax.
0.5μW Max.
±3ppm Max.
1.7pF Typ.
Conditions
at 25?C
Need to specify your requirement
at 25?C
25℃±3℃
http://cfm.citizen.co.jp/english/product/pr02.html
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