5x7 SMD Crystal
3.2x2.5 SMD Crystal
深圳市星通时频电子有限公司
SHENZHEN SCTF ELECTRONICS CO.,LTD
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FEATURE
Rugged AT-cut crystal construction.
Miniature 3.2×2.5mm ceramic package.
Designed for automatic mounting and reflow soldering.
Embossed taping specification.
Pb-free and RoHS/Green compliant.
APPLICATIONS
● Ideally suited designed for Bluetooth wireless communication sets, HDD,DSN, PDA,
GPS,Digital Tuner,Wireless LAN and mobile phone.
Pb
Free
●Electrical Specifications
电气参数
型号
频率范围
调整频差
温度频差
工½温度范围
储存温度范围
Ｈ½½½½½ Ｔ½½½
Frequency Range
Frequency Tolerance（△F）（at25℃）
Frequency Drift
Operating Temperature Range
Storage Temperature Range
Aging（25℃）
Shunt Capacitance（C0）
Drive Level
Insulaton Resistance（Rs）
Load Capacitance（CL）
３．２½２．５½½ Ｃ½½½½½½ Ｓ½½½½½½ Ｍ½½½½
12MHz to 54MHz
±10ppm to ±30ppm
±10ppm to ±30ppm※
(See Notes)
-40℃ - +85℃ /-55℃ - +125℃
±3ppm/ year max.
10μw (100μW
max.)
500 Megaohms Minimum at D.C100V
Suggested by customer
0.1
1.2
TYP0.8
0.7 MAX
2.5±0.1
4
3.2±0.1
3
UNIT(单½):mm(毫米)
●Mechanical Dimensions 外型尺寸
-20℃ - +70℃ / -40℃ - +85℃
05
老化
静电容
激励功率
绝缘阻抗
负½½电容
3pF max.
1
2
※
Notes
:±10，±20，±30ppm (-20℃ to +70℃)
±20，±30，±50ppm (-40℃ to +85℃) or depends on customer
Ｆ½½½½½½½½ Ｒ½½½½ 频率范围
12.000MHz≤ f ＜16.000MHz
16.000MHz≤ f ＜20.000MHz
20.000MHz≤ f ＜24.000MHz
24.000MHz≤ f ＜54.000MHz
ＥＳＲ（Ω）等效阻抗
100Ωmax
80Ωmax
60Ωmax
40Ωmax
Ｍ½½½ 振荡模式
Fundamental
Fundamental
Fundamental
Fundamental
2.1
0.7
1.3
suggested solder pad layout
Note) #2, #4 is connected with a cover
(Please connect with a GND or a power supply)
●Reflow Condition(回流焊条件)
260℃±5℃
150℃±5℃
120sec
10sec
CYCLE TIME:200sec Max.
The above specifications are standard for SCTF product
If you have special requirement please Contact SCTF sales with your enquiries
Tel:
0086-0755-86097430,0086-0755-86097250
The above specifications are standard for HLX product
Fax:
0086-0755-86097259
If you have special requirement please Contact HLX sales with your en
E-mail:sales
@
sctf-crystal.com
http://www.sctf-crystal.com
Tel:
0086-25-85238320,0086-25-85320830
(Direct)
Fax:
0086-25-85315213,85301856
1.3
●Equivalent Series Resistance and Mode of Operation
等效阻抗和振荡模式
1
0.9
4
2
3
1.7
PCB设计
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