WMSIC Electronic Components

RALEC RTT011R00FTH

ModelRTT011R00FTH
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RALEC RTT011R00FTH
Type
RALEC
Minimum package
10000 圆盘

Technical parameters

Power
50mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT011R00FTH
Electronic Component
1
Package
0201
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
1Ω
Electronic Component
1
Electronic Component
BM0265136431
Operating Temperature
55℃~+125℃
Operating Voltage
25V
Electronic Component
200ppm/℃~+400ppm/℃
Resistor Type
Resistor

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

RTT011R00FTH 厚膜贴片电阻产品概述

一、产品定位与核心属性

RTT011R00FTH是台湾旺诠(RALEC)推出的0201封装厚膜贴片电阻,核心参数为1Ω标称阻值、±1%精度、50mW额定功率,属于小功率高密度厚膜电阻范畴。该产品针对小型化、批量化应用场景设计,兼顾成本与基础性能,可满足消费电子、工业控制等领域的常规电路需求,是替代同规格薄膜电阻的高性价比选择。

二、关键技术参数详解

1. 阻值与精度

标称阻值1Ω,精度±1%,符合IEC 60115-1电阻精度等级(F级)。该精度可满足一般电流检测、分压电路的需求(非超精密场景,如医疗设备的高精度采样需升级至±0.1%薄膜电阻)。

2. 功率与电压约束

  • 额定功率:50mW(0.05W),实际工作时需同时满足功率限制((I \leq \sqrt{P/R} = \sqrt{0.05/1} \approx 0.224A)),即最大允许压降≤0.224V((V=IR));
  • 绝对最大电压:25V(即使功率未超,电压不得超过此值,避免绝缘击穿)。

3. 温度系数(TCR)

  • 范围:-200ppm/℃~+400ppm/℃(厚膜电阻典型特性);
  • 实际偏差示例:以25℃为基准,125℃时阻值最大偏差为(1Ω \times 100℃ \times 400ppm = 0.04Ω)(1.04Ω);-55℃时最小偏差为(1Ω \times (-80℃) \times (-200ppm) = 0.016Ω)(1.016Ω),温度稳定性满足常规工业环境。

4. 工作温度范围

-55℃~+125℃,覆盖工业级温度标准(IEC 60068-2-1/2),可适应车载、户外设备等恶劣温度场景。

三、封装与品牌背景

1. 0201封装规格

尺寸约为0.6mm(长)×0.3mm(宽)×0.23mm(厚),是小型化PCB设计的常用封装,每平方厘米可容纳约2000个该电阻,显著提升电路密度。

2. 旺诠(RALEC)品牌优势

RALEC是全球知名被动元器件制造商,专注厚膜电阻研发30余年,产品通过ISO 9001、IATF 16949等认证,厚膜电阻的工艺成熟度、一致性在行业内领先,批量供货稳定性高,适合中低端消费电子的大规模生产。

四、性能特性与使用约束

1. 厚膜工艺优势

相比薄膜电阻,厚膜电阻采用丝网印刷+烧结工艺,成本降低30%~50%,适合大规模量产;但温度系数、精度略逊于薄膜电阻(薄膜电阻TCR可低至±10ppm/℃)。

2. 小封装注意事项

0201封装机械强度较低,需避免:

  • 波峰焊(易导致封装脱落,建议回流焊);
  • 过度机械应力(如PCB弯曲超过0.5%)。

3. 耐湿性与长期稳定性

厚膜电阻的玻璃釉涂层耐湿性一般,长期暴露于高湿度(>85%RH)、腐蚀性气体环境可能导致阻值漂移,建议在密封或涂覆( conformal coating)电路中使用。

五、典型应用场景

  1. 小型消费电子:智能手机、智能手表的信号调理电路(音频前置放大、传感器接口);
  2. 工业控制:PLC输入输出模块的小电流检测、传感器信号分压网络;
  3. 车载电子:低功耗辅助电路(仪表盘背光控制、胎压监测模块);
  4. 通信设备:基站射频前端的小功率匹配网络、光模块信号滤波;
  5. 电源管理:DC-DC转换器反馈回路(小电流采样,需确认功率≤40mW)。

六、选型与使用建议

  1. 功率余量:实际工作功率建议控制在额定功率的80%以内(≤40mW),可延长寿命3倍以上;
  2. 焊接工艺:回流焊峰值温度≤245℃,时间≤10s(符合J-STD-020标准);
  3. 精度升级:若需±0.1%精度或±50ppm/℃ TCR,选择薄膜贴片电阻(如旺诠RT系列薄膜电阻);
  4. 环境防护:高湿度/腐蚀环境需对PCB涂覆三防漆,避免电阻性能下降。

该产品以高性价比、小封装优势,成为消费电子、工业控制领域常规电路的主流选择,适合对成本敏感但需基础精度的应用场景。

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