WMSIC Electronic Components

PROD PDSH0512I-222K PDSH0512I

ModelPDSH0512I-222K
PackageThrough-hole, 5x12mm
BrandPROD
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+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PROD PDSH0512I-222K
Type
PROD
Minimum package
1000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PROD
Electronic Component
PDSH0512I-222K
Electronic Component
1
Package
Through-hole, 5x12mm
Type
Color Ring Inductor
Electronic Component
Color Ring / Through-hole Inductor
Electronic Component
±10%
Electronic Component
0.74g
Inductor
2.2mH
Electronic Component
1
Electronic Component
BM0264342852
Current
150mA
Resistor(DCR)
9.5Ω
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.

PDSH0512I-222K 产品概述

一、产品简介

PDSH0512I-222K 是谱罗德(PROD)推出的一款色环插件电感,标称电感量 2.2mH(±10%),额定直流电流 150mA,饱和电流(Isat)150mA,直流电阻(DCR)约 9.5Ω。器件为插件(通孔)封装,外形尺寸约 φ5mm × L12.5mm,采用色环标识电感值与精度,适用于低频滤波与小电流信号链路的电磁干扰抑制与能量储存场合。

二、主要参数(关键规格)

  • 电感值:2.2mH ±10%(K)
  • 额定电流:150mA
  • 饱和电流(Isat):150mA
  • 直流电阻(DCR):9.5Ω(典型)
  • 封装类型:插件(通孔)色环电感
  • 外形尺寸:直径约 5mm,轴向长度约 12.5mm
  • 品牌:PROD(谱罗德)
  • 型号:PDSH0512I-222K

三、性能特点与工程意义

  1. 大电感值:2.2mH 属于较高的电感级别,适合低频抑制与较强的直流隔离场合。
  2. 额定与饱和电流相同:Isat 与额定电流均为 150mA,说明当电流接近或超过该值时,磁芯可能进入非线性区,电感量会明显下降。设计时应避免长期在此临界点工作。
  3. 较高的 DCR:约 9.5Ω 的直流电阻意味着器件在串联时提供一定的串联阻尼,有利于抑制谐振;但也会带来较高的功耗(在 150mA 时 P≈I^2·R ≈0.21W),需要考虑发热与温升。
  4. 色环标识:便于人工装配与快速识别型号与精度。

四、典型应用场景

  • 低频 LC 低通滤波器:用于音频前端、模拟信号线的低频噪声滤除。
  • 小功率开关电源输入滤波:作为输入滤波或噪声抑制的串联电感(受限于电流容量)。
  • 信号链路抑制干扰:对敏感模拟/数字信号路径进行差模/共模滤波(视电路拓扑而定)。
  • 精密测量与仪器:用于低速传感器信号的抗干扰处理(注意 DCR 带来的压降影响)。

五、选型与使用建议

  • 电流留余量:建议在实际设计中对额定电流进行适当降额(例如 60%–80%),以避免接近饱和电流导致电感突降和线圈发热。
  • 考虑功耗:因 DCR 较高,应计算功耗与温升,必要时提供散热空间或改用 DCR 更低的型号以减小能量损失。
  • 机械与焊接:采用通孔插件安装,建议遵循常规插件元件焊接规范(控制焊接温度与时间,避免机械应力);具体焊接温度和时间请参考实际焊接工艺与厂商建议。
  • PCB 布局:保证电感周围有足够的绝缘与间距,避免磁耦合到敏感器件;进出线尽量短直,减少额外寄生。
  • 标识核对:色环及型号一般按常见编码(例如“222”代表 2.2mH,K 表示 ±10%)进行标识,采购与验收时请核对实物与样本手册。

六、注意事项与可靠性提示

  • 饱和与磁滞:当电流超过 Isat 时电感量会下降,可能影响滤波性能,应避免瞬态冲击过大。
  • 温升与长期稳定性:长时间在高负载/高温条件下工作会影响线圈绝缘及电阻值,请在应用中保持安全裕度并作环境评估。
  • 法规与检验:出货前建议向供应商确认是否满足所需的环境与合规要求(如 RoHS、REACH 等)以及样品测试数据(频率特性、绝缘电阻等)。

七、型号说明(示例)

PDSH0512I-222K 可以按系列与外形进行理解:PDSH 系列(插件色环电感),05 表示外径约 5mm,12 表示长度约 12mm(近似值),I 表示插件结构,222 表示电感值 2.2mH,K 表示 ±10% 精度。最终以供应商出具的产品资料为准。

如需进一步的频率特性曲线、温度系数、最大允许焊接参数或样品测试报告,请联系谱罗德(PROD)或供应渠道获取详细数据手册与实物样品做验证。

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