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YXC厂家直销金属贴片 HC-49SMD 12mhz 20ppm编带盘装石英无源晶振

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HC-49SMD 贴片2P
请点击您需要的参数一起加到购物车,找不到您需要的请联系客服
标准频率 负载电容 频率偏差 点击购买
3.6864MHZ 20PF 20PPM rel="nofollow" Buy
4MHZ 20PF 20PPM rel="nofollow" Buy
6MHZ 20PF 20PPM rel="nofollow" Buy
7.3728MHZ 20PF 20PPM rel="nofollow" Buy
8MHZ 20PF 20PPM rel="nofollow" Buy
10MHZ 20PF 20PPM rel="nofollow" Buy
11.0592MHZ 20PF 20PPM rel="nofollow" Buy
12MHZ 20PF 20PPM rel="nofollow" Buy
13.560MHZ 20PF 20PPM rel="nofollow" Buy
16.384MHZ 20PF 20PPM rel="nofollow" Buy
20MHZ 20PF 20PPM rel="nofollow" Buy
22.1184MHZ 20PF 20PPM rel="nofollow" Buy
24.576MHZ 20PF 20PPM rel="nofollow" Buy
24MHZ 20PF 20PPM rel="nofollow" Buy
25MHZ 20PF 20PPM rel="nofollow" Buy
26MHZ 20PF 20PPM rel="nofollow" Buy
27.120MHZ 20PF 20PPM rel="nofollow" Buy
27MHZ 20PF 20PPM rel="nofollow" Buy
28.6363MHZ 20PF 20PPM rel="nofollow" Buy
30MHZ 20PF 20PPM rel="nofollow" Buy
32MHZ 20PF 20PPM rel="nofollow" Buy

 

 

 
 
 
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HC-49US 11.5x4.5x3.68mm rel="nofollow" Buy
HC-49SMD 11.4x4.8x3.8mm rel="nofollow" Buy
HC-49UM 11.05x4.65x13.46mm rel="nofollow" Buy
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YT-26 2060 2P rel="nofollow" Buy
YT-38 3080 2P rel="nofollow" Buy
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R433 D11,F11,TO39 rel="nofollow" Buy

 

 

 

 



晶振不起振，该如何解决问题？

首先了解以下几点因素：

1.不起振的不良数量和不良状况；

2.客户如何确认晶振不起振的（是否用专业的测试仪器250B 示波器 频谱仪检测或有做物料的交叉验证确认的不良）；

3.无源的负载电容值是否和晶体谐振器匹配及电路设计是否满足晶振本身的工作要求；

4.客户的焊接方式：SMT贴装还是手工焊接，是否存在高温焊接的造成不良的风险（高温可能造成晶振自身的内阻失效导致晶振不起振；回流焊最高温度265℃，焊接时间不超过10S。）

5.是否存在共振的风险，（超声波焊接及清洗等条件）无源的晶振在共振的环境下容易造成晶片断裂。

6.在以上的问题基本确认后，可要求客户将不良样品寄回公司做专业的质检。


加工定制

是

货号

49SMD

品牌

YXC

型号

HC-49SMD 12M

种类

晶振

标称频率

12

调整频差

20

温度频差

25

总频差

50

负载电容

20

负载谐振电阻

40

激励电平

100

基准温度

-20~+70

插入损耗

0

阻带衰减

0

输入阻抗

0

输出阻抗

0