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FH RC-02K3742FT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FH RC-02K3742FT
- Type
- FH
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- FH
- Electronic Component
- RC-02K3742FT
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.022g
- Electronic Component
- 37.4kΩ
- Electronic Component
- 10
- Electronic Component
- BM0257437690
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 50V
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RC-02K3742FT 产品概述
一、产品简介
RC-02K3742FT 为风华（FH）系列贴片厚膜电阻，封装为 0402（公制 1005），标称阻值 37.4kΩ，阻值精度 ±1%，额定功率 62.5mW，额定工作电压 50V，温度系数（TCR）±100ppm/℃，工作温度范围 -55℃ 至 +155℃。该器件以稳定的厚膜工艺制造，适合对体积和精度有中等要求的消费类和工业类电子产品。
二、主要技术参数
- 阻值：37.4 kΩ
- 精度：±1%（J级）
- 封装：0402（1005）
- 额定功率：62.5 mW（常温下）
- 最大工作电压：50 V
- 温度系数：±100 ppm/℃（典型厚膜等级）
- 工作温度：-55℃ ~ +155℃
- 制造工艺：厚膜贴片电阻
三、性能特点
- 小型化封装（0402）：占板面积小，适合高密度贴片电路和便携设备。
- 较高精度：±1% 满足滤波、分压、阻抗匹配及大多数模拟前端和数字电路的阻值要求。
- 宽温度范围：-55℃ 至 +155℃，可在较苛刻的工业环境下长期工作。
- 稳定性与一致性：厚膜工艺在常规使用条件下提供良好的阻值稳定性与可重复性。
四、典型应用场景
- 移动终端、可穿戴设备的分压与偏置网络
- 电子仪表、传感器信号调理中的精密分压和阻抗匹配
- 工业控制与物联网终端的通用电阻应用
- 高频滤波与RC时序控制（需考虑额定功率与寄生参数）
五、设计与选型建议
- 功率裕量：0402 封装功耗有限，建议在设计时留有足够的功率裕量（通常设计工作功耗 ≤ 50% 额定功率），以提高可靠性和寿命。
- 电压限制：使用时应确保工作电压不超过 50V，且对瞬态过压采取保护措施。
- 温漂考虑：±100ppm/℃ 的温度系数适合多数场合，但若为高精度温度敏感应用，应考虑更低 TCR 的薄膜电阻或配对温度补偿。
- 串并联方案：当需要更高功率或更精准阻值时，可采用并联/串联组合替代单只 0402 电阻。
六、焊接与可靠性注意事项
- 推荐按照元厂或 IPC/JEDEC 标准的回流焊工艺曲线进行焊接，避免超过推荐峰值温度和暴露时间以防损伤。
- 贴片回流后建议进行外观检查与必要的阻值测试，保证焊点可靠性。
- 存储与搬运时避免潮湿环境，必要时按厂家建议进行烘烤处理以防吸湿。
七、采购与合规
- 型号标识建议按完整料号向供应商确认 RC-02K3742FT 的包装、出货形式（卷带/盘装）及最小起订量。
- 环保与认证（如 RoHS、REACH 等）建议向风华或授权代理确认具体合格证书，以满足项目合规要求。
如需我帮您生成该器件的PCB布局建议、并联/串联计算示例，或根据实际工作条件（温度、最大电压、耗散功率）进行老化与可靠性评估，请提供具体使用环境参数，我可为您做更精确的设计建议。
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