参数资料
型号: RFS1E220MCN1GS
厂商: Nichicon
文件页数: 58/60页
文件大小: 0K
描述: CAP POLY 22UF 25V 20% SMD
标准包装: 1
系列: FS
电容: 22µF
额定电压: 25V
容差: ±20%
寿命@温度: 105°C 时为 2000 小时
工作温度: -55°C ~ 105°C
特点: 聚合物
纹波电流: 2.2A
ESR(等效串联电阻): 40 毫欧
安装类型: 表面贴装
封装/外壳: 径向,Can - SMD
尺寸/尺寸: 0.197" 直径(5.00mm)
高度 - 座高(最大): 0.236"(6.00mm)
表面贴装占地面积: 0.209" L x 0.209" W(5.30mm x 5.30mm)
包装: 标准包装
其它名称: 493-6626-6
Application Guide
Ripple Removal Capability
We measured ripple voltage by oscilloscope for output capacitor change on the
typical chopper type DC-DC converter. (described below)
V OUT =5V, I OUT =0.5A
f=100kHz
Oscilloscope
Electronic
Load
L
V IN =
12V
SW IC
D
C
Specimen
Comparison Between
and Other Capacitors with Same Capacitance
Low Impedance Aluminum Capacitor
16V100uF ( φ 6.3x11L)
Δ V=156mV
Low ESR Tantalum Capacitor
16V100uF (7.3x4.3x2.9)
Δ V=76mV
FPCAP
16V100uF ( φ 8x11.5L)
Δ V=58mV
Examination of Same Level Residual Ripple Voltage
To obtain same level of ripple voltage to FPCAP , Low Impedance Aluminum capacitor needs 16V3300uF,
even Low ESR tantalum capacitor needs 4 pcs. of same capacitance.
Low Impedance Aluminum Capacitor
16V3300uF ( φ 16x25L)
Δ V=60mV
Low ESR Tantalum Capacitor
16V100uF (7.3x4.3x2.9) X4 pcs.
Δ V=59mV
56
NICHICON CORPORATION / FPCAP ELECTRONICS (SUZHOU) CO., LTD.
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