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BOURNS 3266W-1-501LF
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- BOURNS 3266W-1-501LF
- Type
- BOURNS
- Unit
- Electronic Component
- Minimum package
- 100 管
Technical parameters
- Power
- 250mW
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- BOURNS
- Electronic Component
- 12
- Electronic Component
- 3266W-1-501LF
- Electronic Component
- 1
- Package
- Through-hole-3P, 6.7x4.5mm
- Electronic Component
- Resistor / positions
- Electronic Component
- ±10%
- Electronic Component
- 0.7g
- Electronic Component
- 500Ω
- Electronic Component
- 1
- Electronic Component
- BM0259584268
- Electronic Component
- ±100ppm/℃
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
3266W-1-501LF 产品概述
一、概览
3266W-1-501LF 是 BOURNS 品牌的一款小型可调电阻（电位器/微调电阻），面向对尺寸、稳定性及成本有综合要求的电子设计。该型号以插件式三针（3P）封装、紧凑的机械尺寸（6.4 × 4.3 mm）和常用阻值组合为特点，适合板上调节与现场微调校准。
二、主要电气参数
- 标称阻值：500 Ω
- 精度（阻值容差）：±10%（即阻值范围约为 450 Ω ～ 550 Ω）
- 功率额定：250 mW（使用环境与散热条件会影响实际可承受功率，应按设计余量选型）
- 温度系数（TCR）：±100 ppm/℃（举例：500 Ω × 100 ppm/℃ = 0.05 Ω/℃，表示温度每变化 1℃，阻值约变化 0.05 Ω）
- 调节圈数：12（产品描述给出 12 圈调节结构，利于更精细位置控制）
- 封装/接口：插件（穿板）3 引脚，方便直插焊接固定在 PCB 上
- 外形尺寸：6.4 × 4.3 mm（适合空间受限的应用）
三、结构与性能亮点
- 尺寸小巧，便于在密集布线或体积受限电路中使用。
- 12圈调节提供较细的调节步进，适合需要精准调节（如电压偏置、零点校准）的场合。
- ±100 ppm/℃ 的温度系数表明在中等温度变化下阻值漂移可控，适合一般工业与消费类场景。
- 插件三针设计便于生产线上通用安装和维修替换。
四、典型应用
- 模拟电路的增益/偏置调整、微调校准（如放大器偏置、比较器阈值）
- 传感器信号调谐与零点校准（温度、压力、位置传感器前端）
- 消费类与通信设备中需要板上微调的场合
- 教学与开发板原型验证中作为便捷可调元件
五、选型与使用建议
- 根据工作温度与长期稳定性要求，留出功率余量，避免满功率长时间工作。
- TCR ±100 ppm/℃ 对温漂较为敏感的高精度应用（如精密测量放大器）需谨慎评估，必要时考虑低 TCR 或通过软件校准补偿。
- 焊接时注意引脚与主体的热传递，遵循无铅/回流或手工焊接的推荐温度曲线以免损伤内部材料（具体焊接参数请参照元件数据手册）。
- 调节操作尽量使用合适的工具（非金属或小号塑料/陶瓷头）以避免过扭损伤齿轮机构或改变特性。
六、采购与替代考虑
- 型号后缀（如 LF）通常与无铅或加工版本有关，实际采购前建议确认完整料号与供应商数据表以获取详细机械图与环境规范。
- 若需要更高功率、更低温漂或不同封装，可在 BOURNS 或其他厂商中寻找同类系列的其它阻值/性能等级作为备选。
以上为基于提供参数对 3266W-1-501LF 的产品概述。若需我帮忙查找该型号的官方数据手册、机械图或与具体电路对接的选型建议，可提供使用环境与电路需求，我会进一步给出更具体的建议。
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