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CS1E221M-CRF10是一款专为低压通用电路设计的贴片型铝电解电容,核心参数覆盖电容选型的关键维度,具体如下:
参数项 规格详情 标称容值 220μF 容值精度 ±20% 额定直流电压 25V(VR) 纹波电流能力 183mA @ 120Hz(20℃环境) 封装类型 SMD贴片式 电容体尺寸 直径8mm × 长度10.5mm(D8×L10.5) 工作温度范围 -40℃ ~ +105℃ 额定寿命 2000小时 @ 105℃(额定电压下) 品牌 ROQANG(容强)220μF属于中低容量区间,满足大多数通用电路的滤波、耦合需求;±20%的精度是铝电解电容的常规商用级标准,无需高精度校准的场景(如电源滤波、音频耦合)下性价比突出,同时避免因精度要求过高导致的成本上升。
25V DC额定电压,适配5V、12V等低压电源系统(一般选型需额定电压高于工作电压1.2~1.5倍),留有充足的安全余量,可有效避免电路过压时的电容击穿风险,提升系统稳定性。
183mA@120Hz的纹波电流能力是核心性能亮点:
120Hz是市电整流后的主要纹波频率(全波整流后为100Hz,设计中加入20Hz裕量),该参数可满足小功率电源(如手机充电器、小型LED驱动)的滤波需求,有效抑制输出纹波,减少电路噪声对敏感元件的干扰。
采用SMD贴片封装,电容体尺寸仅D8×L10.5mm,属于小型化贴片铝电解电容,优势显著:
-40℃~+105℃的工作温度,覆盖了绝大多数应用环境:
2000小时@105℃的额定寿命(额定电压下),遵循阿伦尼乌斯定律:温度每降低10℃,寿命约延长2倍。例如:
结合性能参数,CS1E221M-CRF10主要适配以下场景:
该电容由ROQANG(容强)品牌生产,容强专注铝电解电容研发生产多年,产品覆盖通用型、高频低阻型、长寿命型等系列,广泛应用于消费电子、工业、通信领域。
CS1E221M-CRF10遵循IEC 60384等行业标准,出厂前经过电性能测试(容值、ESR、漏电流)和环境测试(温度循环、湿度老化),确保品质稳定可靠,可替代同类进口品牌的通用型贴片铝电解电容。
总结:CS1E221M-CRF10凭借小型化封装、宽温适应性、稳定的纹波电流能力,成为低压通用电路滤波、耦合的高性价比选择,适配多种小型电子设备的需求。
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