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UNI-ROYAL 0402WGF2212TCE
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UNI-ROYAL 0402WGF2212TCE
- Type
- UNI-ROYAL
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNI-ROYAL
- Electronic Component
- 0402WGF2212TCE
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.009g
- Electronic Component
- 22.1kΩ
- Electronic Component
- 10
- Electronic Component
- BM0257242488
- 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.
0402WGF2212TCE 产品概述
一、产品简介
0402WGF2212TCE 为 UNI-ROYAL(厚声) 系列贴片厚膜电阻，阻值 22.1kΩ，精度 ±1%，额定功率 62.5mW（1/16W），工作电压 50V，温度系数（TCR）±100ppm/℃，工作温度范围 -55℃ ~ +155℃。封装为 0402（约 1.0mm × 0.5mm），适用于高密度 SMT 布局，兼顾体积与性能的平衡。
二、主要参数与性能解读
- 电阻类型：厚膜电阻，具有良好的通用性与成本优势。
- 阻值与精度：22.1kΩ，±1% 适合要求中高精度的分压、偏置与信号处理电路。
- 功率与电压限制：额定功率 62.5mW。按功率计算的持续允许电压 Vmax = sqrt(P·R) ≈ 37.2V，低于标称工作电压 50V，因此在设计时应以功率限制为准，避免在接近 50V 的电压下长期工作。
- 温漂与环境适应：TCR ±100ppm/℃，在较大温度变化时阻值会有可预测的漂移，适合一般环境与工业级温度范围。-55℃~+155℃ 的温度等级满足多种严苛应用场景。
三、典型应用场景
- 移动设备、可穿戴与消费电子中的偏置与分压网络；
- IoT 节点、传感器接口与信号调理电路；
- 工业控制和仪表中的中低功率电阻应用；
- PCB 密度高、空间受限的产品线，需减小封装面积时首选。
四、设计与使用建议
- 功率降额：在高温环境下遵循厂方功率降额曲线，避免在高温下满载工作；若无厂方曲线，建议按常规从 70℃ 开始线性降额至最高工作温度。
- 电压与功耗：实际设计中以功率计算出的允许电压为准（上文示例约 37.2V），若有瞬态高压应加保护或选用更高功率/更高电压等级器件。
- 温漂管理：对阻值稳定性要求高的场合，可考虑并联或采用更低 TCR 的薄膜或金属膜电阻替代。
五、安装与可靠性注意事项
- 兼容常规回流焊工艺，但请参考供应商回流温度曲线以避免长期可靠性隐患；
- 防潮干燥保存，避免在高湿环境下长期暴露；
- 焊盘设计应兼顾热量散发与机械强度，0402 封装对焊接工艺敏感，需严格控制焊膏量与回流曲线。
六、选型与替代建议
- 若需更低温漂或更高稳定性，建议选用薄膜或金属膜电阻；
- 若电路存在高瞬态或较高持续电压，应选择更高功率或更高额定电压的封装（如 0603/0805 或更大）。
- 采购时确认生产批次与质量认证，必要时要求样品测试以验证在目标应用环境下的表现。
总结：0402WGF2212TCE 以小型封装、1% 精度与适中的温漂特性，适合空间受限且对精度有一定要求的中低功率电路。设计时应重视功率与电压的匹配、温漂影响及可靠的回流焊工艺，以确保长期稳定运行。
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