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ERJ2RKF2322X是松下(PANASONIC)推出的精密级厚膜贴片电阻,针对小型化、高精度电子设备的信号调理、功率分配等场景设计,以0402超小封装实现1%高精度阻值控制,同时具备宽温适应性与稳定的温度特性,是消费电子、工业控制、汽车电子等领域的常用基础元件。
该电阻定位于低功耗精密电路的核心被动元件,核心特性可概括为“小、精、稳、宽”:
标称阻值23.2kΩ,精度±1%,实际阻值范围22968Ω~23432Ω。该精度属于“精密级”,可满足模拟电路的分压、上拉/下拉、信号放大等需求,避免因阻值偏差导致的电路性能波动。
额定功率100mW,适配低功耗电路(如电池供电的便携式设备、传感器模块)。实际设计需预留80%功率余量(即≤80mW),避免长期过热导致阻值漂移。
±100ppm/℃的含义为:每变化1℃,阻值变化±0.01%。例如,从25℃升至155℃(变化130℃),阻值最大变化±1.3%,结合±1%精度,总偏差控制在±2.3%以内,满足宽温环境稳定工作。
-55℃+155℃覆盖了工业现场(-40℃+85℃)、汽车舱内(-40℃~+125℃)及高温区域(如靠近发热元件),无需额外散热设计。
尺寸仅1.0mm×0.5mm(公制),相比0603封装体积缩小60%,可显著提升PCB布线密度,适合智能手机、智能穿戴、小型传感器等高密度集成设备。
采用丝网印刷+高温烧结工艺:将电阻浆料印刷在氧化铝陶瓷基片上,经高温烧结形成电阻膜,再通过激光微调实现精确阻值。优势包括:
符合RoHS、REACH标准,采用无铅端电极,兼容现代SMT生产线,可实现高速贴装,降低制造成本。
ERJ2RKF2322X的参数特性使其广泛应用于:
松下对该电阻完成多项测试:
该电阻以平衡的性能、成本与可靠性,成为小型化精密电路的主流选择,可满足大多数中高端电子设备的基础被动元件需求。
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Product sourcing intelligence
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.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
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The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
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The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
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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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