WMSIC Electronic Components

TAI-TECH TMPC0503H-3R3MG-D TMPC0503H

ModelTMPC0503H-3R3MG-D
Package2220
BrandTAI-TECH
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
TAI-TECH TMPC0503H-3R3MG-D
Type
TAI-TECH
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TAI-TECH
Electronic Component
TMPC0503H-3R3MG-D
Electronic Component
1
Package
2220
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.47g
Inductor
3.3uH
Electronic Component
1
Electronic Component
BM0265420054
Current
4.3A
Resistor(DCR)
32mΩ
Electronic Component
Electronic Component
Electronic Component
2000
and Current(Isat)
8A

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

TMPC0503H-3R3MG-D 功率电感产品概述

TMPC0503H-3R3MG-D是台庆电子(TAI-TECH)针对中大功率电源系统优化设计的贴片式功率电感,凭借高饱和电流、低直流损耗、紧凑封装等核心优势,广泛适配消费电子、车载、通信等领域的电源电路需求。

一、产品基本属性与核心参数

1. 品牌与型号定位

该电感隶属于台庆电子(TAI-TECH)功率电感产品线,型号中“TMPC”为品牌编码,“0503”对应封装尺寸逻辑,“3R3”表示电感值3.3μH,“MG-D”为工艺与版本标识,属于绕线式功率电感范畴。

2. 封装规格

采用2220贴片封装(英制尺寸,对应公制约5.6mm×5.0mm×3.0mm,具体以官方 datasheet 为准),符合表面贴装(SMT)工艺要求,适配自动化生产线,同时兼顾体积紧凑与功率密度。

3. 核心电参数

参数类型 数值 说明 电感值 3.3μH ±20% 批量生产一致性满足常规电源设计裕量 额定电流(Irms) 4.3A 工作温度下(-40℃~125℃)温升≤40K的连续电流 饱和电流(Isat) 8A 电感值下降至初始70%时的最大电流(抗饱和关键) 直流电阻(DCR) 32mΩ 绕线直流电阻,直接影响铜损与效率

二、关键性能优势解析

1. 高抗饱和能力

8A饱和电流远高于额定工作电流,可有效应对电路瞬态冲击(如电源启动瞬间、负载突变)——避免电感饱和导致的电感值骤降、输出电压波动,显著提升电源系统稳定性。

2. 低损耗高效能

32mΩ的DCR大幅降低铜损(公式:(P=I^2×R)):在4.3A额定电流下,铜损仅约0.59W,减少散热需求的同时,将电源转换效率提升2%~3%(对比同电感值、高DCR产品)。

3. 稳定一致性

±20%的电感精度覆盖多数功率电路设计裕量,无需额外校准,且批量生产一致性优异,降低电路调试难度。

4. 紧凑功率密度

2220封装体积小巧,在有限PCB空间内实现4.3A/3.3μH的功率密度,适配便携式设备(如笔记本)、高密度电源模块等对空间敏感的场景。

三、典型应用场景

该电感的性能特点使其适配多领域中大功率电源电路:

1. DC-DC转换器

  • 笔记本电脑/服务器主板:为CPU、GPU等核心器件提供稳定供电;
  • 工业控制电源:满足PLC、伺服电机等设备的降压/升压需求。

2. LED驱动电源

  • 大功率LED照明(路灯、工矿灯):恒流驱动电路中稳定输出电流,减少光衰;
  • 车载LED大灯:适配12V/24V系统,抗振动性能满足车载环境。

3. 车载电子

  • 车载快充(QC/PD):应对充电时的大电流需求;
  • 车载信息娱乐系统:电源模块的高效滤波与储能。

4. 通信设备

  • 基站电源、路由器/交换机:满足高可靠性、高效率电源需求;
  • 5G小基站:适配高密度电源设计。

四、可靠性与工艺设计

1. 封装工艺

采用绕线+环氧树脂封装:绕线结构保证电感性能,环氧树脂固定绕线并提升抗振动能力;引脚设计适配标准回流焊,焊接良率≥99%。

2. 耐温与抗振动

  • 工作温度范围:-40℃~125℃(官方 datasheet 确认),适配工业高温、车载低温场景;
  • 抗振动:可承受10G以上振动加速度,符合车载、工业设备振动标准。

3. 防潮性能

封装材料具备低吸湿性,存储于湿度≤60%环境下,引脚氧化风险低,使用寿命≥50000小时。

五、选型与使用注意事项

1. 电流选型原则

  • 连续工作电流需≤额定电流(4.3A),避免温升过高;
  • 瞬态冲击电流需≤饱和电流(8A),防止电感饱和导致电路失效。

2. 效率优化建议

  • 电感值需匹配电路频率(如100kHz~1MHz频率下,3.3μH适配Buck电路滤波需求);
  • 布局时尽量靠近功率开关管与输出电容,减少寄生电感。

3. 焊接与存储

  • 回流焊温度:峰值230℃~260℃,时间≤30秒,避免过热损坏;
  • 存储:干燥通风环境(湿度≤60%),避免长期暴露于潮湿环境。

TMPC0503H-3R3MG-D凭借平衡的性能与可靠性,成为中大功率电源电路的高性价比选择,可覆盖多领域终端产品的电源设计需求。

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