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TDK YFF18PW0J474MT0H0N
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- TDK YFF18PW0J474MT0H0N
- Type
- TDK
- Unit
- Electronic Component
- Minimum package
- 4000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- TDK
- Electronic Component
- YFF18PW0J474MT0H0N
- Electronic Component
- 1
- Electronic Component
- 470nF
- Package
- SMD-4P,1.6x0.8mm
- Electronic Component
- Capacitor Filter
- Electronic Component
- ±20%
- Electronic Component
- 0.033g
- Electronic Component
- 1
- Electronic Component
- BM0257286161
- Operating Temperature
- 55℃~+125℃
- Voltage
- 6.3V
- Current
- 4A
- Resistor(DCR)
- 30mΩ
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
YFF18PW0J474MT0H0N 产品概述
一、主要参数
- 型号：YFF18PW0J474MT0H0N（TDK）
- 类型：馈通电容/滤波器（SMD）
- 容值：470 nF（±20%）
- 额定电压：6.3 V
- 额定电流：4 A
- 直流电阻（DCR）：30 mΩ
- 工作温度范围：-55 ℃ ～ +125 ℃
- 封装：SMD-4P，外形尺寸 1.6 × 0.8 mm
二、产品功能与典型应用
该款元件为小尺寸、高电流的馈通滤波单元，集阻抗抑制与旁路/去耦功能于一体，适用于对输入电源线上高频噪声和瞬态干扰有严格要求的便携设备与消费类电子。典型应用包括：
- 手机、平板、可穿戴和物联网终端的电源入口去耦与EMI抑制；
- 摄像头模组、射频前端或电源管理IC（PMIC）入口滤波；
- USB/Type‑C、低压高速电源轨的局部滤波。
三、电气特性与热管理注意事项
- 容差 ±20%：实际容值范围约为 376 nF ～ 564 nF，设计时请考虑容差对滤波/耦合的影响。
- 直流压降与功耗：在额定电流 4 A 下，电压降约为 V = I·DCR = 4 A × 0.03 Ω = 0.12 V；功耗约为 P = I^2·DCR = 16 × 0.03 = 0.48 W。连续大电流工作会产生明显热量，应在PCB热设计中考虑散热和允许温升。
- 陶瓷类滤波元件在直流偏置和温度下容量可能发生变化，实际频率响应和滤波效果建议在目标电路中通过阻抗/频率特性测试验证。
四、封装与焊接建议
- 小型 SMD-4P（1.6×0.8 mm）适合高密度布局；建议尽量靠近需要滤波的器件或电源入口布置，以最小化寄生感抗和回流路径。
- 焊盘面积应保证足够的铜层用以承载大电流，并可根据需要增加热铜箔或通孔过孔以改善散热。
- 推荐采用标准回流工艺焊接，避免过度机械应力和重复弯折造成封装或端接损伤。
五、选型与使用建议
- 若电路中长期工作电流接近或超过 4 A，应考虑并联多个同型号或采用更大电流等级的滤波器件，以降低单个元件的热负荷。
- 对于对滤波深度有更高要求的系统，可和外部磁珠、共模滤波器或更高容值的去耦电容组合使用，形成多阶滤波网络。
- 在高频/射频敏感应用中，建议获取并参考元件的阻抗随频率变化曲线（Z–f）以优化滤波设计。
六、采购与检验建议
- 采购时确认正规渠道和原厂/代理商，以获取完整的规格书和频率响应曲线。
- 到货检验重点：外观检查焊盘与封装完整性、电容值及漏电流（必要时可抽检ESR/DCR与高频阻抗特性）。
- 如需长期可靠性或汽车级使用，请向供应商确认是否有相应的认证与加严测试报告。
该产品以其小尺寸与较高额定电流特点，适合在空间受限但对电源净化与抗干扰要求较高的现代电子设备中作为关键的馈通/去耦元件使用。实际设计中应综合考虑温升、直流偏置下的容量变化与PCB布局以保证长期可靠运行。
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