WMSIC Electronic Components

RALEC RTT011210FTH

ModelRTT011210FTH
Package0201
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT011210FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT011210FTH
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
121Ω
Electronic Component
10
Electronic Component
BM0265147733
Operating Temperature
55℃~+125℃
Operating Voltage
25V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

RTT011210FTH 厚膜贴片电阻产品概述

RTT011210FTH是旺诠(RALEC) 推出的一款0201封装厚膜贴片电阻,专为低功耗、高密度PCB布局设计,兼具高精度与宽温适应性,适用于消费电子、工业控制、物联网等多领域电路。

一、产品核心定位与应用领域

该电阻聚焦小体积、低功率、稳定可靠的市场需求,主打中高精度应用场景,核心应用方向包括:

  • 消费电子终端:手机、平板、可穿戴设备的射频匹配、电源管理辅助电路;
  • 物联网节点:传感器信号分压、低功耗MCU外围限流电路;
  • 工业控制模块:小型控制器、传感器接口的辅助电阻(适配-55℃~125℃宽温);
  • 汽车电子次级电路:车载小型传感器、辅助显示模块的低功率电阻(宽温范围覆盖常规车载环境)。

二、关键参数与性能解析

RTT011210FTH的参数设计平衡了体积、精度与可靠性,核心参数及意义如下:

1. 封装与功率

  • 封装:0201英制封装(公制尺寸约0.64mm×0.32mm×0.23mm),是当前贴片电阻最小封装之一,可显著提升PCB布局密度;
  • 额定功率:50mW(25℃环境下),适配低功耗电路(实际功率建议降额至25mW以内,延长使用寿命)。

2. 阻值与精度

  • 标称阻值:121Ω,覆盖中值电阻常见需求;
  • 精度等级:±1%,满足大多数分压、限流、匹配电路的误差要求(无需额外校准即可实现稳定性能)。

3. 温度特性与工作范围

  • 温度系数(TCR):±200ppm/℃,即温度每变化1℃,阻值变化约0.0242Ω(121Ω×200e-6),在-55℃~125℃宽温范围内,阻值总变化量≤2.42Ω,远低于±1%精度阈值,确保极端环境下性能稳定;
  • 工作电压:25V(直流/交流峰值),避免过压击穿;
  • 工作温度:-55℃~+125℃,覆盖户外、车载、工业现场等极端温度场景。

4. 材料与类型

采用厚膜电阻技术:通过丝网印刷电阻浆料于陶瓷基底,经高温烧结形成电阻层,相比薄膜电阻成本更低,耐脉冲冲击能力更强;端电极采用多层金属结构(镍/锡),提升焊接可靠性与耐腐蚀性。

三、旺诠(RALEC)工艺优势

作为台湾老牌被动元件厂商,旺诠在厚膜电阻领域的工艺积累保障了RTT011210FTH的一致性与可靠性:

  • 浆料配方优化:电阻浆料稳定性强,批量生产阻值偏差控制在±1%以内;
  • 封装工艺控制:0201封装的端电极精度(±0.05mm)与电阻层厚度均匀性(±5%),确保焊接后无虚焊、阻值漂移;
  • 可靠性测试:通过高温存储(125℃/1000h)、温度循环(-55℃~125℃/1000次)等测试,符合IEC 61000-4-2等标准。

四、应用注意事项

  1. 功率降额:实际应用功率建议不超过额定值的50%(≤25mW),避免长期过载导致阻值漂移;
  2. 焊接工艺:0201封装需采用回流焊(温度曲线:预热150℃180℃/60s,峰值240℃260℃/10s),禁止手工焊接(易损坏封装);
  3. 环境防护:厚膜电阻耐湿性能一般,建议在湿度>80%环境下采用防潮PCB设计;
  4. 精度匹配:若需更高精度(如±0.1%)或更低TCR(如±50ppm/℃),需切换至薄膜电阻,但成本会显著提升。

RTT011210FTH以其小体积、高精度、宽温适应性的特点,成为中低端低功耗电路的优选电阻,尤其适合对成本敏感但需稳定性能的量产场景。

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