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RALEC(旺诠)RTT02206JTH是一款0402封装厚膜贴片电阻,针对高密度贴装、低功耗场景设计,兼具高阻值(20MΩ)与基础精度(±5%),适用于工业控制、消费电子等领域的信号处理与分压电路。
型号命名逻辑清晰:
该电阻的关键参数匹配中小功率、高阻值的应用需求,具体如下:
标称阻值20MΩ,精度±5%,满足大多数工业与消费电子场景的阻值误差要求——无需额外校准即可用于一般信号处理、分压网络等场景,平衡性能与成本。
温度系数(TCR)±100ppm/℃,即每变化1℃,阻值漂移约0.01%;100℃温变下阻值漂移约1%,可稳定适配宽温环境。
-55℃+155℃,覆盖工业级环境(通常工业级为-40℃+125℃),扩展至极端低温与高温场景,适配户外、车载等特殊应用。
0402封装体积仅1.0mm×0.5mm,可大幅节省PCB空间,适合便携式设备(如蓝牙耳机、智能手表)、小型模块的高密度布局。
采用钌基厚膜电阻浆料经高温烧结而成,具备:
支持回流焊、波峰焊(需优化参数),无铅环保(符合RoHS 2.0、REACH标准),适配现代电子制造全流程。
结合参数特点,该电阻主要用于以下场景:
20MΩ高阻值适合小信号分压(如传感器输出、音频信号调节),不会对信号源造成过大负载,常见于应变片、麦克风偏置电路。
用于PT100温度传感器、压力传感器的信号放大前分压网络,匹配高输入阻抗运放,提升信号采集精度。
工业电源的微电流电压采样(如高压母线监测),因功率低、阻值高,可实现低功耗监测,避免额外功耗损耗。
便携式设备的按键检测、LED驱动偏置电路,适配小体积与低功耗需求。
PLC输入输出接口、模拟量采集模块的分压网络,满足宽温与可靠性要求。
RALEC(旺诠)作为全球电阻制造龙头,RTT02206JTH通过多项国际标准测试:
产品广泛应用于汽车电子、工业自动化、消费电子等领域,可靠性经市场验证。
综上,RTT02206JTH是一款高性价比厚膜贴片电阻,兼顾小体积、高阻值、宽温稳定性,适配多场景电子设计需求。
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WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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