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BOURNS 3386P-1-202LF
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
18
specifications
Core information
- Product name
- BOURNS 3386P-1-202LF
- Type
- BOURNS
- Minimum package
- 50 管
Technical parameters
- Power
- 500mW
- Electronic Component
- Electronic Component
- Electronic Component
- BOURNS
- Electronic Component
- 3386P-1-202LF
- Electronic Component
- 1
- Package
- Through-hole-3P, 9.5x9.5mm
- Electronic Component
- Resistor / positions
- Electronic Component
- ±10%
- Electronic Component
- 1.04g
- Electronic Component
- 2kΩ
- Electronic Component
- 1
- Electronic Component
- BM0264528972
- Electronic Component
- ±100ppm/℃
- Electronic Component
- Electronic Component
- Electronic Component
- 50
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
3386P-1-202LF 产品概述
一、产品简介
3386P-1-202LF 为 BOURNS 品牌的一款插件式可调电阻（电位器），标称阻值 2kΩ，精度 ±10%，功率额定 500mW，温度系数 ±100ppm/℃。封装为插件-3P，外形尺寸 9.5×9.5mm（占板面小、易于安装），适用于对阻值微调与电路标定有要求的场合。
二、主要电气参数
- 阻值：2 kΩ（标称）
- 精度：±10%
- 额定功率：500 mW
- 温度系数：±100 ppm/℃
这些参数决定了该型号在小功率信号调节、参考电压、分压器和灵敏度校准等应用中的稳定性与适用范围。
三、机械与封装特性
- 封装类型：插件-3P（标准三端引脚），适用于通孔安装与波峰/手工焊接。
- 外形尺寸：9.5 × 9.5 mm，体积小巧，适合空间受限的 PCB 布局。
- 调节方式：通过顶端或侧面调节机构进行微调（常见为单圈式调节，便于在调试阶段进行准确定位）。
四、典型应用场景
- 信号增益与偏置微调：用于放大器输入/反馈回路的增益修正与零点校准。
- 参考与分压电路：在传感器接口、基准电源中用于设置精确分压比。
- 调试与生产标定：在研发或量产调试阶段作为可调元件，用于快速校准参数。
- 人机界面与设置电路：在需要少量可调性的消费或工业电子设备中替代固定电阻实现可调参数。
五、安装与使用建议
- 焊接：插件式三端设计适合通孔焊接，推荐使用符合组件热容的焊接工艺，避免过热以免影响内部电阻膜与接触性能。
- 布局：留出足够的调节空间以便后期调整，若需要频繁调节可考虑面向外部的安装方向。
- 调节工具：使用合适尺寸的调节螺丝刀或旋钮，避免过大扭矩造成寿命损耗或损伤调节机构。
- 环境：该件为小功率电阻元件，避免在超过额定功率和高温、高湿等恶劣环境长期使用，以保持阻值与精度稳定。
六、注意事项与选型要点
- 精度与长期稳定性：±10% 为常规公差，若电路对稳定性要求高，应考虑更高精度或温度漂移更低的替代品。
- 功率裕量：额定 500 mW，为低功率级别，使用时应确保最大功耗不超过额定值并留有裕量，必要时可采用散热或降低工作电压/电流。
- 替换与兼容：在替换或设计阶段注意引脚排列与尺寸匹配，确认封装 9.5×9.5mm 与 PCB 孔位一致。
- 备件与检验：批量采购时建议抽样检验阻值、温漂与机械耐久性，确保长期一致性。
总结：3386P-1-202LF 是一款体积小、适合通孔安装的 2kΩ 可调电阻，适用于调试、分压与小功率电路微调场景。合理的焊接与安装、留有功率裕量以及根据应用选择合适精度等级，能充分发挥该元件的可靠性与调节便利性。若需更高精度或更大功率，应结合具体电路需求进一步选型或咨询供应商技术资料。
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