WMSIC Electronic Components

TA-I Technology RLM12FTCMR010

ModelRLM12FTCMR010
Package1206
BrandElectronic Component
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
RLM12FTCMR010
Type
TA-I Technology
Minimum package
5000 圆盘

Technical parameters

Power
1W
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RLM12FTCMR010
Electronic Component
1
Package
1206
Electronic Component
Current Sense Resistor / Shunt
Electronic Component
±1%
Electronic Component
0.03g
Electronic Component
10mΩ
Electronic Component
1
Electronic Component
BM0264549208
Electronic Component
SMD
Electronic Component
±100ppm/℃
Resistor Type
Current Sense Resistor
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.

RLM12FTCMR010电流采样电阻(分流器)产品概述

RLM12FTCMR010是大毅科技推出的一款贴片式高精度电流采样电阻(分流器),专为电路中电流信号的准确检测与反馈设计,具备小阻值、高功率、宽温稳定等核心特性,适配电源管理、电机控制、电池管理等多类工业与消费电子场景。

一、产品定位与核心功能

作为电流采样电阻(分流器),RLM12FTCMR010的核心作用是通过欧姆定律(U=IR) 将电路中的电流信号转换为可检测的电压信号,为系统提供电流反馈数据,支持过流保护、恒流控制、故障诊断等功能。其10mΩ的低阻值设计,既避免了大阻值对电路功耗的额外损耗,又能在中等电流下输出清晰可测的电压信号(如10A电流时输出0.1V),平衡了采样精度与电路效率。

二、关键性能参数详解

RLM12FTCMR010的参数设计精准匹配电流采样场景的核心需求:

  1. 阻值与精度:额定阻值10mΩ,精度±1%——在批量生产中可保证阻值一致性,减少系统校准成本;
  2. 功率特性:1W额定功率,支持持续稳定工作,同时具备一定瞬间过载能力(符合大毅科技功率电阻的可靠性设计);
  3. 温度系数(TCR):±100ppm/℃——即环境温度每变化1℃,阻值漂移不超过0.001%,例如在100℃温差下,阻值变化仅±0.1mΩ,宽温环境下仍能保持采样精度;
  4. 封装与尺寸:1206英制封装(对应公制3.2mm×1.6mm×0.55mm),体积紧凑,适配高密度PCB布局。

三、封装与安装特性

RLM12FTCMR010采用表面贴装(SMD)封装,具备以下安装优势:

  • 工艺兼容性:支持回流焊、波峰焊等主流贴片工艺,适配自动化生产流程,提升产线效率;
  • 焊盘可靠性:焊盘设计符合IPC-A-610标准,焊接时可有效避免虚焊、假焊问题,长期工作中焊点稳定性高;
  • 体积优势:1206封装体积仅为传统插件电阻的1/5左右,可大幅节省PCB空间,适合小型化、模块化产品设计。

四、可靠性与环境适应性

该产品针对工业级应用场景优化了可靠性:

  • 宽温工作范围:支持-55℃至125℃的工作温度(大毅科技RLM系列通用参数),覆盖绝大多数工业、车载(非汽车级认证场景)的环境温度;
  • 抗老化性能:采用镍铬合金电阻体(大毅核心材料技术),耐腐蚀、抗氧化,长期工作后阻值漂移小(典型值<0.5%/1000小时);
  • 机械稳定性:无引线贴片设计,抗振动、抗冲击能力强(符合MIL-STD-202振动测试标准),适合车载、工业设备等振动环境。

五、典型应用场景

RLM12FTCMR010的参数特性使其适配多类电流采样需求:

  1. 开关电源:AC-DC/DC-DC电源的输出电流采样,实现过流保护、恒压恒流控制;
  2. 电机驱动:BLDC电机、伺服电机的相电流采样,优化扭矩控制与堵转检测;
  3. 电池管理系统(BMS):电动车、储能电池的充放电电流监控,保障电池安全(需结合BMS精度需求);
  4. 消费电子:手机充电器、移动电源的电流检测,提升充电效率与安全性;
  5. 工业控制:PLC、变频器的电流反馈回路,实现精准速度与扭矩控制。

六、选型参考与优势总结

若需满足以下需求,RLM12FTCMR010是高性价比选择:

  • 电流采样场景需10mΩ低阻值;
  • 精度要求±1%,宽温下需稳定性能;
  • 功率需求1W以内,贴片1206封装;
  • 高密度PCB布局或自动化生产需求。

其核心优势在于小阻值高精度与宽温稳定性的平衡,同时兼顾体积与功率,为不同行业的电流采样需求提供可靠解决方案。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.