参数资料
型号: RR71C271MDN1PH
厂商: Nichicon
文件页数: 58/60页
文件大小: 0K
描述: CAP ALUM 270UF 16V 20% RADIAL
标准包装: 1
系列: R7
电容: 270µF
额定电压: 16V
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: 6.1A
ESR(等效串联电阻): 7 毫欧
安装类型: 通孔
封装/外壳: 径向,Can
尺寸/尺寸: 0.394" 直径(10.00mm)
高度 - 座高(最大): 0.551"(14.00mm)
引线间隔: 0.197"(5.00mm)
包装: 剪切带 (CT)
其它名称: 493-6657-1
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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