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WR08W3R30FTL是华新科(Walsin)推出的一款0805封装厚膜片式电阻,属于通用精密型被动元件,专为小功率电路的阻值稳定控制设计,兼顾成本与性能,广泛适配消费电子、汽车电子等多领域应用。
该型号电阻基于华新科成熟的厚膜电阻工艺制造,属于0805封装系列中的常规精密款——阻值固定为3.3Ω,精度达±1%,功率规格为1/8W(125mW),是电子电路中实现分压、限流、电流采样等基础功能的可靠选择,尤其适合对空间紧凑性要求较高的贴片生产场景。
固定阻值3.3Ω,精度±1%,满足多数电路对阻值偏差的基本要求(无需超高精度的场景下,可替代更高成本的精密电阻),避免因阻值偏差导致的电路功能偏移。
温度系数(TCR)为**-200ppm/℃+400ppm/℃**,即温度每变化1℃,阻值变化范围在-0.02%+0.04%之间,符合厚膜电阻的常规温漂特性,在宽温环境下仍能保持相对稳定的阻值表现,无需额外温控补偿。
采用0805表面贴装封装(英制尺寸:0.08英寸×0.05英寸,公制尺寸:2.0mm×1.2mm),具备以下核心优势:
支持**-55℃~+155℃**的极端温度环境,覆盖汽车电子(发动机舱高温、冬季低温)、工业控制(户外设备、高低温车间)等场景的温度需求,无需额外防护即可稳定运行。
华新科对该型号电阻进行了多项可靠性测试(如温度循环、湿度老化、耐焊接热、负载寿命等),符合IEC、JIS等国际标准,长期使用无明显阻值漂移或性能衰减,可满足5年以上的产品生命周期需求。
华新科(Walsin)是全球知名的被动元件制造商,拥有数十年电阻、电容等产品的研发生产经验,WR08W3R30FTL继承了品牌的品质基因:
该电阻因参数适配性强,广泛应用于以下场景:
特别说明:3.3Ω的低阻值结合1/8W功率,可用于小电流采样(最大采样电流约195mA),适合低功耗电路的电流监测需求,如电池管理系统的小电流检测。
综上,WR08W3R30FTL是一款性价比突出的通用精密片式电阻,以稳定的性能、紧凑的封装和宽温适应性,成为多领域电路设计的优选元件。
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Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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