WMSIC Electronic Components

PROD PDMTAT044125-330MLU PDMTAT044125

ModelPDMTAT044125-330MLU
PackageThrough-hole, 16x8.5mm
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PROD PDMTAT044125-330MLU
Type
PROD
Minimum package
300 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PROD
Electronic Component
PDMTAT044125-330MLU
Electronic Component
1
Package
Through-hole, 16x8.5mm
Type
Inductor
Electronic Component
Color Ring / Through-hole Inductor
Electronic Component
±20%
Electronic Component
0.7mm
Electronic Component
3.25g
Inductor
33uH
Electronic Component
1
Electronic Component
BM0257377690
Current
6A
Resistor(DCR)
30mΩ
Electronic Component
Electronic Component

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

PDMTAT044125-330MLU 产品概述

一、产品简介

PDMTAT044125-330MLU 是谱罗德(PROD)出品的一款环型插件电感,电感值为 33μH,允差 ±20%,额定电流 6A,直流电阻(DCR)为 30mΩ。封装为插件式(through-hole),外形尺寸约为 16×8.5mm,线径 0.7mm,表面以色环标识电感值和允差,便于视觉识别和自动化检测。该型号适用于中功率直流滤波、开关电源电感、EMI 抑制以及一般功率管理场合,兼顾成本与性能的平衡。

二、主要性能特点

  • 高额定电流:6A 额定电流使其能满足中等功率电源和 DC-DC 转换器的输入/输出滤波需求。
  • 低 DCR:约 30mΩ 的直流电阻在 6A 工作电流下仍能保持较低的 I^2R 损耗,适合需要较高效率的场合。
  • 环形结构:环型(toroidal)设计有利于磁通闭合、漏磁小、对周围敏感元件干扰较小。
  • 插件封装:通过孔插件(lead)便于波峰/回流焊组装、手工焊接与维修,适配传统和混合装配流程。
  • 色环标识:直观的色环刻印便于生产线识别和现场检验。

三、典型电气参数(关键值)

  • 电感值:33 μH
  • 允差:±20%
  • 额定直流电流:6 A
  • 直流电阻(DCR):30 mΩ
  • 线径:0.7 mm
  • 封装/外形:插件,约 16 × 8.5 mm
  • 型号/品牌:PDMTAT044125-330MLU / PROD(谱罗德)

注:如需更详细的频率特性(如阻抗随频率曲线、饱和电流、温度系数等),建议参照厂商数据手册或向供应商索取测试曲线。

四、应用场景

  • 开关电源(DC-DC)输入与输出滤波:适用于升压/降压转换器的能量储存与滤波。
  • 电源输入滤波与去耦:消除电源线上高频噪声、抑制开关干扰。
  • LED 驱动及电机驱动电路:用于中等电流的电源滤波与电流平滑。
  • EMI/EMC 抑制网络:与电容配合构成滤波单元,提升系统抗干扰能力。
  • 工业控制与通信设备的局部电源模块。

五、设计与使用注意事项

  • 损耗与温升:在 6A 电流下,约 P = I^2·DCR = 6^2 × 0.03 ≈ 1.08 W 的铜损,实际损耗还与交流损耗、涡流、磁芯损耗有关。该能量会引起器件温升,设计时需留有散热空间,避免长时间在高温环境工作。
  • 饱和与线性范围:环形电感通常饱和特性较好,但具体饱和电流值未在此参数集中给出。若电路有大幅度直流偏流或冲击电流,应向厂商确认饱和电流与磁芯材料特性。
  • 允差与滤波设计:±20% 允差属于通用等级,设计滤波器时应考虑最差情况对截止频率与滤波深度的影响。
  • 安装与焊接:插件封装便于波峰焊和手工焊接。建议预热、控制焊接温度与时间以避免绝缘材料或漆包线损坏。焊接后应避免反复弯曲引脚导致绕组机械疲劳。
  • 机械固定:在振动或冲击较强的环境中,应使用胶固定或机械卡件防止插件振动导致焊点开裂或引脚松动。

六、选型建议与替代方案

  • 若系统连续电流或峰值电流高于 6A,应考虑额定电流更高、DCR 更低的型号,或采用并联电感/并联电感器件以分担电流(并联时注意电感一致性与分流)。
  • 若对允许偏差、频率特性或饱和电流有更严格要求,可优先选择规格允许更小允差或给出完整频率曲线与饱和特性数据的型号。
  • 对于对体积敏感的应用,可考虑贴片电感或更高集成度的电感器件;但若偏好手工装配与维修友好性,插件型仍为优选。

七、包装与存储

PDMTAT044125-330MLU 为插件元件,常见包装方式包括散装袋装或成排捆扎(具体包装以供应商出货为准)。存储时避免潮湿、高温与阳光直射,储存环境建议温度 5–35°C,相对湿度 <75%。长时间存储后出货前建议进行外观及电气抽测以保证一致性。

总结:PDMTAT044125-330MLU 以其 33μH/6A 的参数组合、环型低漏磁结构和插件装配友好性,适合中等功率电源滤波与 EMI 抑制应用。实际使用时请结合系统的热设计、损耗预算与电流冲击特性进行选型确认,并在必要时向谱罗德索取完整数据手册和频率性能曲线以确保设计可靠性。

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