WMSIC Electronic Components

YJYCOIN YSPI0850-330M YSPI0850

ModelYSPI0850-330M
PackageSMD,7.8x7.2x5mm
BrandYJYCOIN
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

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Technical data

Product details

19 specifications

Core information

Product name
YJYCOIN YSPI0850-330M
Type
YJYCOIN
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YJYCOIN
Electronic Component
YSPI0850-330M
Electronic Component
1
Package
SMD,7.8x7.2x5mm
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
1.65g
Inductor
33uH
Electronic Component
1
Electronic Component
BM0265571481
Current
3.3A
Resistor(DCR)
130mΩ
Electronic Component
Electronic Component
Electronic Component
1000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

YSPI0850-330M 一体成型功率电感产品概述

YSPI0850-330M是益嘉源(YJYCOIN)推出的一款中功率一体成型贴片电感,专为各类电源电路的能量存储与滤波需求设计,兼具紧凑封装与稳定电气性能,适用于消费电子、车载电子及工业控制等多领域。

一、产品基本信息

该电感属于益嘉源YSPI系列功率电感,型号命名遵循行业通用规则:YSPI为系列标识,0850对应封装尺寸代码(实际尺寸7.8×7.2×5mm),330表示标称电感值33μH,M代表精度等级±20%。产品采用一体成型工艺制造,属于SMD(表面贴装)器件,可直接兼容自动化贴装生产线,无需额外引脚处理。

二、核心电气参数详解

YSPI0850-330M的电气参数经过优化,满足中功率电源电路的可靠性要求,关键参数如下:

  1. 电感值与精度:标称33μH,精度±20%,覆盖26.4μH~39.6μH的范围,可适配多数DC-DC转换器的电感值需求;
  2. 额定电流(Irms):3.3A(25℃环境下),指持续工作时电感温度不超过允许值(通常为125℃)的最大电流,是电路设计中持续负载的核心参考;
  3. 饱和电流(Isat):4A,指电感值下降至标称值70%时的电流(磁芯饱和临界点),设计时需留有余量,避免电流峰值导致电感性能骤降;
  4. 直流电阻(DCR):130mΩ(典型值),反映电感线圈的铜损,低DCR可减少功耗、提升电源转换效率,尤其适合对能效要求较高的场景。

三、物理特性与封装设计

  1. 封装尺寸:SMD封装,实际尺寸为7.8mm(长)×7.2mm(宽)×5mm(高),紧凑的体积可有效节省PCB板空间,适配小型化设备(如便携电子、车载中控);
  2. 结构特点:采用一体成型工艺,磁芯完全包裹线圈,相比传统绕线电感具有三大优势:
    • 低漏磁:磁路封闭,减少对周边电路的电磁干扰(EMI),降低系统EMC设计难度;
    • 抗振动/冲击:结构牢固,可承受10G以上振动(部分场景),适合车载、工业等恶劣环境;
    • 一致性好:批量生产时参数波动小,提升电路性能的稳定性。

四、典型应用场景

YSPI0850-330M的电气性能与封装特点,使其广泛应用于以下场景:

  1. DC-DC转换器:降压(Buck)/升压(Boost)电路的储能电感,如手机充电器、笔记本电源的中功率模块;
  2. 电源模块:工业控制电源、通信设备电源的滤波与储能;
  3. 车载电子:车载中控、LED车灯驱动、车载充电器等对振动敏感的场景;
  4. 消费电子:平板、智能手表的电源管理单元(PMU)辅助电路;
  5. 物联网设备:低功耗网关、传感器节点的电源电路。

五、产品核心优势

  1. 性能与体积平衡:33μH电感值结合7.8×7.2×5mm封装,在中功率场景下实现“小体积大电流”;
  2. 可靠性高:饱和电流(4A)比额定电流(3.3A)高出21%,预留足够电流余量,降低过载风险;
  3. EMI兼容性好:一体成型结构减少漏磁,简化系统EMC设计,降低额外屏蔽成本;
  4. 生产适配性强:SMD封装兼容自动化贴装,提升生产效率,降低人工成本。

六、选型与使用注意事项

  1. 降额使用:若工作环境温度超过25℃(如高温车载场景),需按温度系数降额(通常每升高10℃,额定电流降约10%);
  2. 电流峰值控制:电路中峰值电流需小于饱和电流(4A),避免电感磁芯饱和导致输出电压异常;
  3. PCB布局:电感周边应预留足够空间,避免与高频信号线交叉,减少EMI影响。

总结:YSPI0850-330M一体成型功率电感凭借紧凑封装、稳定电气性能及抗恶劣环境能力,成为中功率电源电路的高性价比选择,可满足多领域设备的小型化与可靠性需求。

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