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BOURNS 3313J-1-201E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BOURNS 3313J-1-201E
- Type
- BOURNS
- Minimum package
- 1000 圆盘
Technical parameters
- Power
- 125mW
- Electronic Component
- Electronic Component
- Electronic Component
- BOURNS
- Electronic Component
- 1
- Electronic Component
- 3313J-1-201E
- Electronic Component
- 1
- Package
- SMD,3.5x3.2mm
- Electronic Component
- Resistor / positions
- Electronic Component
- ±20%
- Electronic Component
- 0.153g
- Electronic Component
- 200Ω
- Electronic Component
- 1
- Electronic Component
- BM0257202326
- Electronic Component
- ±100ppm/℃
- Electronic Component
- Electronic Component
- Electronic Component
- 1000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
3313J-1-201E 产品概述
一 概述
3313J-1-201E 是 BOURNS 出品的一款表面贴装可调电阻（单圈电位器），体积小巧、用于电路微调与校准。其标称阻值为 200Ω，额定功率 125mW，公差 ±20%，温度系数 ±100ppm/℃，圈数为 1。封装为 SMD，外形尺寸约 3.5×3.2mm，适合空间受限的电子产品和精密模拟电路中的微调应用。
二 主要参数
- 品牌/型号：BOURNS / 3313J-1-201E
- 阻值：200 Ω
- 精度（公差）：±20%
- 额定功率：125 mW
- 温度系数（TCR）：±100 ppm/℃
- 圈数：1（单圈，可调范围线性）
- 封装：SMD，尺寸约 3.5 × 3.2 mm
三 主要特性与优势
- 小型化设计：3.5×3.2mm 的 SMD 封装，便于在密集 PCB 布局中使用。
- 低温漂：±100 ppm/℃ 的温度系数保证了在温度变化下的阻值稳定性，换算后在常见工作温度范围内引起的相对变化量较小（例如 60℃ 变化约 0.6%）。
- 适用于微调：单圈设计适合需快速、粗略或中等分辨率调节的场合，用于偏置、增益微调或参考电平调整。
- 可靠性：BOURNS 品牌元器件在机械与电气性能上有良好工艺控制，适合量产使用。
四 应用场景
- 模拟电路中增益、偏置和零点微调。
- 传感器和测量类设备的校准。
- 移动设备、便携电子与消费类电子的空间受限调节部位。
- 电源管理中的精密参考调整（低功率场合）。
- 原型开发与生产测试中的可调阻值需求。
五 使用建议与注意事项
- 功率与热管理：额定功率为 125mW，使用时应注意器件不能长期承受接近额定功率的负载，必要时采用功率余量或外部散热措施。
- 环境与温度：尽管 TCR 较低，但在大温度摆幅环境下仍建议做温度漂移校准，尤其当整体系统要求高精度时。
- 焊接与工艺：该型号为 SMD 封装，通常兼容回流焊工艺；为确保可靠性，请遵循厂家推荐的回流曲线及清洗工艺（具体参数以厂方数据表为准）。
- 调节方式：单圈手动或自动调整时注意不要过力以免损伤调节机构。
六 封装与采购信息
- 封装形式：SMD，尺寸约 3.5×3.2mm。
- 订购时请确认完整型号与包装方式（卷带、切带或切盘）、最小订购量及合格证书。若用于量产或关键应用，建议随货索取最新数据表与可靠性报告以供验证。
七 推荐的使用场景与电路建议
- 将其作为分压器使用时注意功耗分配和端子连接可靠性。
- 在高精度应用中，可通过软件或外部校准电路补偿其初始公差（±20%）和温漂。
- 对于需要多次调节或频繁操作的场合，评估机械寿命与回差性能，必要时选择更高寿命等级的产品。
总结：3313J-1-201E 以其紧凑的 SMD 封装、适中的功率等级和较低的温漂特性，适合低功耗、空间受限且需进行电路微调的应用场景。购买与设计前，建议参考 BOURNS 的详细数据手册以获取焊接、环境及可靠性等完整技术信息。
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