常用电容电阻电感封装选型.docx
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1、1.贴片电容 C: 100nF/ 50V X7R +/-10% 0805, -55C到+1250100nF / 25V X5R +/-10% 0805, +10C+85CNPO电容器NPO是一种最常用的具有温度补偿特性的单片陶瓷电容器。它的填充介质是由铷、钐 和一些其它稀有氧化物组成的。NPO电容器是电容量和介质损耗最稳定的电容器之一。在温度从-55C到+1250时容 量变化为030ppm/C,电容量随频率的变化小于0.3AC。NPO电容的漂移或滞后小于0.05%,相对大于2%的薄膜电容来说是可以忽略不计的。其典型的容量相对使 用寿命的变化小于士0.1%。NPO电容器随封装形式不同其电容量和介
2、质损耗随频率变化的 特性也不同,大封装尺寸的要比小封装尺寸的频率特性好。下表给出了 NPO电容器可选取 的容量范围。封装 DC=50VDC=100V”08050.5-1000pF0.5-820pF12060.5-1200pF0.5-1800pF1210560-5600pF560-2700pF22251000pF-0.033pF1000pF-0.01如FNPO电容器适合用于振荡器、谐振器的槽路电容,以及高频电路中的耦合电容。二X7R电容器X7R电容器被称为温度稳定型的陶瓷电容器。当温度在-55C到+125C时其容量变化为 15%,需要注意的是此时电容器容量变化是非线性的。X7R电容器的容量在不同
3、的电压和频率条件下是不同的,它也随时间的变化而变化,大 约每10年变化1%C,表现为10年变化了约5%。X7R电容器主要应用于要求不高的工业应用,而且当电压变化时其容量变化是可以接受 的条件下。它的主要特点是在相同的体积下电容量可以做的比较大。下表给出了 X7R电容 器可选取的容量范围。封装 DC=50VDC=100V”0805330pF-0.056pF330pF-0.012pF12061000pF-0.15MF1000pF-0.047pF12101000pF-0.22pF1000pF-0.1MF22250.01mF-1mF0.01mF-0.56mF三Z5U电容器Z5U电容器称为”通用”陶瓷单
4、片电容器。这里首先需要考虑的是使用温度范围,对于 Z5U电容器主要的是它的小尺寸和低成本对于上述三种陶瓷单片电容起来说在相同的体积 下Z5U电容器有最大的电容量。但它的电容量受环境和工作条件影响较大,它的老化率最大可达每10年下降5%。尽管它的容量不稳定,由于它具有小体积 等效串联电感(ESL)和等效串联电阻(ESR) 低、良好的频率响应,使其具有广泛的应用范围。尤其是在退耦电路的应用中。下表给出了 Z5U电容器的取值范围。封装 DC=25VDC=50V”08050.01mF-0.12mF0.01mF-0.1mF12060.01mF-0.33mF0.01mF-0.27mF12100.01mF-
5、0.68mF0.01mF-0.47mF22250.01mF-1mF0.01mF-1mFZ5U电容器的其他技术指标如下:工作温度范围+10C-+85C温度特性+22%-56%介质损耗最大4%四Y5V电容器Y5V电容器是一种有一定温度限制的通用电容器,在-30C到85C范围内其容量变化可 达+22% 到-82%。Y5V的高介电常数允许在较小的物理尺寸下制造出高达4.7mF电容器。Y5V电容器的取值范围如下表所示封装 DC=25VDC=50V”08050.01mF-0.39mF0.01mF-0.1mF12060.01mF-1mF0.01mF-0.33mF12100.1mF-1.5mF0.01mF-0
6、.47mF22250.68mF-2.2mF0.68mF-1.5mFY5V电容器的其他技术指标如下:工作温度范围-30C-+85C温度特性+22%-82%介质损耗最大5%钽电容 10UF/ 10V A 型,-55C到+125C100UF/10V C 型 ,+10C-+85C470uF/6.3V D 型电容量85C时DC额定电压(VR)Code2.5V (e)4V (G)6.3V (J)10V (A)16V (C)20V (D);25V (E);35V (V) 50V (T)0.10104AA0.15154AA/B0.22224AA/B0.33334AB0.47474AA/BB/C0.68684A
7、A/BB/C1.0105AAA/BB/C1.5155AA/BA/B/CC/D2.2225AA/BA/BA/B/CC/D3.3335A/BA/BA/BB/CC/D4.7475AA/BA/BBB/C/DD6.8685AAA/BA/B/CB/CC/DD10106AAA/B/CB/CC/DC/D/ED/E15156AA/BA/B/CB/CC/DC/DE22226AA/BB/C/DB/C/DC/DD/EV33336AAA/B/CB/C/DC/DD/ED/E/V47476AAA/B/CB/CC/DC/D/ED/EE/V68686ABB/CB/CC/DD/EE/VV100107BBB/CC/DD/ED/E/
8、VV150157BB/CC/DC/D/ED/E/VE/V220227B/DB/C/DC/D/ED/EE/V330337DC/DD/ED/E/V470470C/DD/ED/E/VE/V680680D/ED/EE/V1000108D/ED/E/VV1500158D/E/VE/V2200228V电解电容 470UF/16V/8*11.5MM 470UF/50V/10*20MM电解电容封装尺寸图W.V.(V)Cap. (20%) (uF)Case size (尺寸)Specification(规格)Lead Length (导线Dia.(mm)Length (mm)Ripple current (12
9、0Hz) (+1050 (mA)tan 8 (120Hz) (+20。0Endurance (hours)LeadDia.(mm)脚间距Straight(mm)LeadTap*(m耐压容量电容直径电容长度最大电流寿命/时管脚尺寸6.32205111400.2810000.52.054706.311.22300.2810000.52.551000811.53800.2810000.63.55220010167100.3020000.65.05330010208400.3220000.65.05470012.52010900.3420000.65.05680012.52513500.3820000
10、.65.0510000162516500.4620000.87.57150001631.520100.5620000.87.5220001835.523500.7020000.87.5103306.311.22000.2410000.52.55470811.52500.2410000.63.5510001012.54600.2420000.65.05220010207600.2620000.65.05330012.52010000.2820000.65.05470012.52512600.3020000.65.056800162515700.3420000.87.57100001631.518
11、900.4220000.87.5150001835.521800.5220000.87.5161005111100.2010000.52.052206.311.21800.2010000.52.55330811.52600.2010000.63.55470811.53100.2010000.63.55100010165600.2020000.65.05220012.5209200.2220000.65.05330012.52511700.2420000.65.054700162514800.2620000.87.5768001631.517800.3020000.87.5100001835.5
12、20600.3820000.87.52547511910.1610000.52.051006.311.21300.1610000.52.55220811.52300.1610000.63.55330811.53100.1610000.63.554701012.53800.1620000.65.05100010206800.1620000.65.05220012.52510900.1820000.65.053300162514000.2020000.87.5747001631.517500.2220000.87.568001835.520400.2620000.87.53547511900.14
13、10000.52.051006.311.21500.1410000.52.55220811.52700.1410000.63.553301012.53500.1420000.65.0547010164600.1420000.65.05100012.5208100.1420000.65.052200162512600.1620000.87.5733001631.516100.1820000.87.547001835.519100.2020000.87.5500.15111.10.1210000.52.050.225112.30.1210000.52.050.335113.50.1210000.5
14、2.050.4751150.1210000.52.051511100.1210000.52.052.2511180.1210000.52.053.3511220.1210000.52.054.7511260.1210000.52.0510511390.1210000.52.0522511650.1210000.52.0533511900.1210000.52.05476.311.21100.1210000.52.55100811.51800.1210000.63.552201012.53000.1220000.65.0533010164100.1220000.65.0547010205300.
15、1220000.65.05100012.5259500.1220000.65.0522001631.514700.1420000.87.533001835.517700.1620000.87.56310511460.1010000.52.0522511710.1010000.52.05336.311.21000.1010000.52.55476.311.21200.1010000.52.551001012.52150.1020000.65.0522010163350.1020000.65.0533010205100.1020000.65.0547012.5206400.1020000.65.0
16、5100016259300.1020000.87.5722001835.516100.1220000.87.51000.4751190.0810000.52.051511140.0810000.52.052.2511210.0810000.52.053.3511310.0810000.52.054.7511380.0810000.52.05106.311.2540.0810000.52.55226.311.2930.0810000.52.5533811.51300.0810000.63.55471012.51650.0820000.65.0510010202650.0820000.65.052
17、2012.5254400.0820000.65.0533016255400.0820000.87.5747016257150.0820000.87.5710001835.59850.0820000.87.516016.311.2170.1520000.52.552.26.311.2250.1520000.52.553.36.311.2360.1520000.52.554.76.311.2430.1520000.52.55101012.5700.1520000.65.052210201300.1520000.65.053310201800.1520000.65.054712.5202200.15
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