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RALEC RTT021212FTH
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RALEC RTT021212FTH
- Type
- RALEC
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- RALEC
- Electronic Component
- RTT021212FTH
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.009g
- Electronic Component
- 12.1kΩ
- Electronic Component
- 10
- Electronic Component
- BM0265577622
- 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.
RTT021212FTH产品概述
一、产品基本信息
RTT021212FTH是旺诠（RALEC） 推出的一款厚膜贴片电阻，采用行业通用的0402封装（英制尺寸，对应公制约1.0mm×0.5mm），属于小体积、低功率型精密电阻范畴。该型号专为高密度PCB设计、低功耗电路场景优化，兼具稳定性与成本优势，是电子设备中信号调理、分压偏置等电路的常用元件。
二、核心电气参数详解
作为一款精密厚膜电阻，RTT021212FTH的核心参数精准匹配多数通用电路需求：
- 阻值与精度：标称阻值为12.1kΩ，精度等级为**±1%**，可满足普通精密电路（如传感器信号放大、基准电压分压）的阻值一致性要求，无需额外校准即可实现稳定输出；
- 功率与电压：额定功率为62.5mW（0.0625W），最大工作电压为50V。实际使用中需注意功率与电压的约束关系（(P=V^2/R)），避免超过额定参数导致性能衰减；
- 温度系数（TCR）：±100ppm/℃，即温度每变化1℃，阻值变化约1.21Ω（(12100Ω×100×10^{-6}=1.21Ω)），在厚膜电阻中属于中等偏优的温度稳定性，适合温度变化较大的场景。
三、环境适应性与可靠性
RTT021212FTH的环境参数覆盖了多数工业与消费电子的使用场景：
- 工作温度范围：-55℃~+155℃，支持极端低温（如户外设备冬季环境）与高温（如车载电子、电源模块内部）场景；
- 厚膜工艺优势：厚膜电阻采用丝网印刷+烧结工艺，相比薄膜电阻成本更低，且耐过负载能力更强；相比碳膜电阻，温度稳定性与精度更高，兼顾性能与经济性；
- 长期可靠性：旺诠作为专业电阻厂商，其产品经过严格的老化与可靠性测试，可满足电子设备5~10年的使用寿命需求，适合批量生产的一致性要求。
四、典型应用场景
基于小封装、低功率、宽温稳定的特点，RTT021212FTH广泛应用于以下场景：
- 消费电子：智能手环、蓝牙耳机、智能手表等便携设备的信号调理电路（如心率传感器分压、音频放大偏置）；
- 工业控制：小型PLC模块、传感器节点（如温度/压力传感器的信号放大）的低功耗电路；
- 汽车电子：车载辅助电路（如仪表盘背光调节、传感器接口）的宽温工作场景；
- 通信设备：小型基站、路由器的射频辅助电路（如滤波网络、阻抗匹配）。
五、产品选型与使用注意事项
- 选型匹配：若需更高精度（如±0.1%）或更低TCR（如±50ppm/℃），可考虑旺诠同系列薄膜电阻；若需更大功率（如0.125W），可选择0603封装的同阻值型号；
- 焊接注意：0402封装需采用回流焊工艺，避免手工焊接导致的虚焊或封装损坏；
- 降额使用：在高温或连续工作场景中，建议将实际功率控制在额定功率的80%以内（即≤50mW），以延长使用寿命。
该产品凭借高性价比、稳定的性能表现，成为电子设计中平衡成本与精度的优选方案之一。
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