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UniOhm 0402WGF2942TCE
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Uni Ohm 0402WGF2942TCE
- Type
- 0402
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNIOHM
- Electronic Component
- 0402WGF2942TCE
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.009g
- Electronic Component
- 29.4kΩ
- Electronic Component
- 10
- Electronic Component
- BM0264249999
- 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.
0402WGF2942TCE 产品概述
一、产品简介
0402WGF2942TCE 为 UniOhm（台湾厚声）系列厚膜贴片电阻，阻值 29.4 kΩ，标称精度 ±1%，额定功率 62.5 mW，最大工作电压 50 V，温度系数（TCR）±100 ppm/℃，工作温度范围 -55℃ 至 +155℃，封装为 0402（约 1.0 × 0.5 mm）小外形，适合高密度 SMT 布局与空间受限的电路设计。
二、主要特性
- 厚膜工艺，成本效益高，工艺稳定性好；
- 阻值 29.4 kΩ，精度 ±1% 满足一般精密分压与偏置需求；
- TCR ±100 ppm/℃，在温度变化下保持较好的阻值稳定性；
- 小尺寸 0402 封装，适合高密度贴片电路与体积受限应用；
- 额定功率 62.5 mW，最大工作电压 50 V，适用于低功耗信号链路。
三、典型应用场景
- 模拟电路中的分压器、基准偏置与滤波网络；
- 移动设备与便携式电子产品的高密度 PCB 设计；
- 消费电子、通讯终端、传感器前端的信号处理与偏置电阻；
- 需要小封装与中等精度阻值的工业与仪器设备。
四、设计与使用建议
- 由于额定功率较低（62.5 mW），在电路设计时应考虑功率裕量，避免靠近或超过额定值长期工作；
- 当电阻两端电压或功率接近上限时，建议降额设计或选择更大功率规格；
- 对温漂敏感的应用可评估更低 TCR（如金属膜）产品；厚膜在经济性与一般精度场合具有优势。
五、封装与装配注意事项
- 推荐采用标准 SMT 回流焊工艺装配，遵循厂家提供的回流温度曲线与焊接说明；
- 0402 尺寸较小，贴装时需使用合适的吸嘴与贴片参数以减少偏位与翻转；
- 避免在焊接或维修过程中对电阻施加过大机械应力，清洗时建议使用与元件兼容的清洗剂。
六、可靠性与采购要点
- 产品适应工业级温度范围（-55℃~+155℃），耐环境能力适用于多数商用与工业场合；
- 订购时请确认包装形式（常见为卷带/盘带）、批次与完整数据手册；如需更严格的电气或环境试验数据（如负载寿命、湿热、热冲击），建议向供应商索取认证试验报告或样品验证。
如需获取该型号的完整规格书、封装图或样品建议，可直接联系 UniOhm 正式经销商或供应商以获得最新资料与技术支持。
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