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FRL1206JR200TS是富捷(FOJAN)针对中小功率电流检测、宽温环境电路推出的1206封装厚膜贴片电阻,兼顾低阻值精度、高压耐受与宽温适应性,适配消费电子、工业控制、通信设备等多场景。核心特性包括:
阻值为200mΩ(0.2Ω),属于中小功率电流检测的常用低阻范围——在不显著增加功耗的前提下,可实现电源输出、信号回路的电流采样(如手机充电器输出端电流监测);精度为**±5%**,满足一般工业/消费电子的非精密应用需求,无需额外校准即可稳定工作。
额定功率250mW,符合1206封装厚膜电阻的常规功率等级,可承受持续工作中的热应力;500V工作电压是该产品的突出优势——低阻电阻通常耐压偏低,但此款通过厚膜工艺优化(陶瓷基底+高耐压浆料),实现了低阻与高压的平衡,适配小型电源适配器、LED驱动的高压端限流场景。
温度系数(TC)为**±600ppm/℃,表示温度每变化1℃,阻值变化约±0.06%(200mΩ×600ppm=0.12mΩ),虽不属于精密级(如±100ppm/℃),但足以满足宽温环境下的基础应用;-55℃+155℃工作温区**覆盖工业级(-40+85℃)、汽车级(-40~+125℃)及高温场景(如LED驱动散热区),可靠性优于常规民用级电阻。
采用1206英寸贴片封装(公制3.2mm×1.6mm),符合国际SMT贴装标准,适配常规自动化生产设备,生产效率高;厚膜工艺制造(氧化铝陶瓷基底+厚膜电阻浆料),具有:
结合参数特性,FRL1206JR200TS主要应用于以下场景:
厚膜电阻本身具有较好的长期稳定性,结合宽温范围与500V耐压,该产品可在常规环境下连续工作数万小时,无明显阻值漂移;需注意避免超过额定功率(250mW)工作,否则会导致热失效(如阻值骤增、开路)。
该产品以平衡的性能与成本,成为中小功率电路中低阻、宽温应用的实用选择。
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