WMSIC Electronic Components

RALEC RTT021243FTH

ModelRTT021243FTH
Package0402
BrandRALEC
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
RALEC RTT021243FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT021243FTH
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
124kΩ
Electronic Component
10
Electronic Component
BM0265577606
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±100ppm/℃
Resistor Type
Resistor

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

RTT021243FTH 厚膜贴片电阻产品概述

RTT021243FTH是台湾RALEC(旺诠)推出的一款厚膜贴片电阻,针对小体积、低功耗、宽温环境的电路设计需求优化,核心参数与封装特性适配多领域量产应用。

一、核心参数明确,精准适配设计需求

该电阻的核心参数清晰且针对性强,覆盖基础电路设计的关键指标:

  • 电阻类型:厚膜电阻——采用厚膜丝网印刷工艺制造,兼具成本优势与稳定性,抗过载能力优于部分薄膜电阻;
  • 阻值:124kΩ——常规阻值范围,可直接用于分压、限流、阻抗匹配等基础电路,无需额外阻值换算;
  • 精度:±1%——工业级常规精度,满足多数对阻值偏差要求不苛刻但需稳定的场景(如传感器信号调理),无需后期校准;
  • 功率额定值:62.5mW——适配低功耗电路,如便携设备、传感器前端等低功耗场景,避免功率过载;
  • 最大工作电压:50V——使用时需确保电路电压不超过此阈值,防止电阻过热或击穿;
  • 温度系数:±100ppm/℃——反映阻值随温度的变化率(每1℃变化,阻值变化百万分之一),例如在-55℃至+155℃范围内,总阻值波动约2.1%,加上本身±1%精度,总偏差可控;
  • 工作温度范围:-55℃+155℃——超出常规工业级(-40℃+125℃),可应对极端冷热环境(如北方冬季户外、南方夏季高温车间)。

二、0402封装,满足高密度PCB设计

RTT021243FTH采用0402封装(英制代码,对应公制尺寸1.0mm×0.5mm),是小体积电路设计的主流封装之一:

  • 体积优势:比0603封装体积缩小约60%,可显著节省PCB空间,适合智能手机、智能穿戴、小型通信模块等对空间敏感的产品;
  • 功率匹配:62.5mW功率与0402封装的散热能力完全适配,避免因功率过载导致的电阻失效;
  • 焊接兼容性:支持回流焊、波峰焊等常规贴片焊接工艺,与现代SMT生产线兼容,量产效率高。

三、宽温稳定,可靠性突出

厚膜工艺与宽温设计赋予该电阻良好的可靠性,适合复杂环境长期使用:

  • 温度适应性:-55℃至+155℃的工作范围,覆盖工业现场极端温度(如户外基站、高温车间),无需额外散热或温度补偿;
  • 抗环境干扰:厚膜电阻的膜层结构抗潮湿、抗机械冲击能力较强,可应对工业现场的粉尘、湿度等复杂工况;
  • 批量一致性:RALEC采用自动化生产工艺,批量产品的阻值偏差、温度系数一致性好,减少量产中的筛选成本。

四、典型应用场景

结合参数特性,RTT021243FTH适用于以下场景:

  1. 消费电子:智能手机、平板的信号滤波电路、电池管理系统的分压电阻(小体积+低功耗);
  2. 工业控制:PLC输入输出接口的限流电阻、温度传感器的信号放大电阻(宽温+±1%精度);
  3. 通信设备:WiFi模块、蓝牙模块的射频阻抗匹配电阻(小体积+稳定性);
  4. 汽车电子:车载显示屏背光控制电路、小功率传感器(如胎压监测)的辅助电阻(宽温覆盖汽车工况);
  5. 电源模块:DC-DC转换器的反馈分压电阻、过流保护的限流电阻(低功耗+精准阻值)。

五、RALEC品牌保障

RALEC(旺诠)是全球知名被动元件制造商,拥有30余年生产经验,RTT021243FTH具备以下品牌优势:

  • 质量认证:通过ISO9001、IATF16949(汽车行业)认证,符合严格的质量标准;
  • 环保合规:符合RoHS 2.0、REACH等全球环保法规,无铅无有害物质;
  • 技术支持:提供参数选型、应用设计支持,帮助客户优化电路方案,降低研发成本。

这款电阻以“小体积、宽温、精准”为核心优势,是工业、消费、通信等领域低功耗电路设计的可靠选择,可满足量产与复杂环境的双重需求。

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