WMSIC Electronic Components

PROD PSTMAA252012-1R0MB PSTMAA252012

ModelPSTMAA252012-1R0MB
Package1008
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 PSTMAA252012-1R0MB
Type
PROD
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PROD
Electronic Component
PSTMAA252012-1R0MB
Electronic Component
1
Package
1008
Type
Inductor
Electronic Component
Power Inductor
Electronic Component
±20%
Electronic Component
0.066g
Inductor
1uH
Electronic Component
1
Electronic Component
BM0257701000
Current
6.1A
Resistor(DCR)
22mΩ
Electronic Component
Electronic Component
Electronic Component
3000

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

PSTMAA252012-1R0MB 产品概述

一、简介

PSTMAA252012-1R0MB 是谱罗德(PROD)推出的一款扁平线一体成型贴片电感,面向高电流、高效率的开关电源与电源管理场景。该器件在紧凑封装(1008)内实现 1µH 感值,同时具备较低直流电阻与较高额定电流能力,适用于空间受限且对导通损耗、温升有较高要求的系统设计。

二、主要参数

  • 电感值:1.0 µH(公差 ±20%)
  • 额定电流(Irated):6.1 A
  • 饱和电流(Isat):6.5 A(接近该值时电感进入饱和区,感值明显下降,应预留裕量)
  • 直流电阻(DCR):22 mΩ
  • 类型:扁平线电感,一体成型(molded)
  • 品牌:PROD(谱罗德)
  • 封装:1008(SMD 贴片)

三、产品特点

  • 低 DCR:22 mΩ 的低直流电阻显著减少 I^2R 损耗,提高转换效率并降低器件发热。
  • 高电流能力:6.1 A 额定电流与 6.5 A 饱和电流,适合中大电流轨(多相 POL、点载供电等)。
  • 扁平镀线工艺:扁平线结构有利于减小交流损耗、改善绕组散热和降低寄生电阻。
  • 一体成型:防震性能好,焊接后机械强度高,适合自动化贴装和回流焊工艺。
  • 尺寸紧凑:1008 封装有利于高密度布板、节省 PCB 面积。

四、典型应用

  • DC-DC 降压(buck)转换器的输出滤波(尤其是 POL 稳压器)
  • 通信、服务器和基站电源模块
  • 工业控制、工控电源和电源模块(SMPS)
  • 电池管理与便携设备电源管理(需要注意环境热设计)
  • LED 驱动与功率调节电路(在额定电流范围内)

五、设计与使用建议

  • 预留裕量:实际设计中建议在额定电流下预留 10–20% 以上裕量,避免长期工作在接近 Isat 的区间,防止感值下降与效率波动。
  • 温度与 DCR:DCR 会随温度上升而增加,请在热仿真和板级测试中考虑环境与铜箔散热条件,确保温升在允许范围内。
  • 布局与散热:将电感靠近功率 MOSFET/整流器并配合较宽的电源与地铜箔,有助于降低回路阻抗与改善热管理。
  • 焊接工艺:采用推荐回流曲线并避开机械应力,遵循供应商给出的焊盘尺寸及回流温度规范。
  • 滤波设计:根据开关频率与负载电流选择合适的电感与电容配合,若工作频率较高,关注交流损耗与饱和特性。

六、包装与合规

  • 封装形式通常为卷带(Tape & Reel),适合表面贴装自动化生产。
  • 常见合规项:符合 RoHS 要求(具体认证请参见供应商数据表与合格证书)。

七、选型参考

PSTMAA252012-1R0MB 的优势在于在小体积内提供较高电流能力和较低 DCR,适合对效率与热管理有较高要求的中高电流点载场景。若设计对电感公差、温升或更高饱和裕度有严格要求,可比较同类扁平线与圆线电感在 DCR、Isat、热阻与封装尺寸上的差异,或者考虑电感值/电流等级更高或 DCR 更低的替代件。

如需更详细的电气特性曲线(频率响应、直流偏置下的感值曲线、温升测试数据)或推荐焊盘尺寸、回流曲线及样品订购信息,可提供进一步协助。

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