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FH RC-02K2942FT
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- FH RC-02K2942FT
- Type
- FH
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 62.5mW
- Electronic Component
- Electronic Component
- Electronic Component
- FH
- Electronic Component
- RC-02K2942FT
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.022g
- Electronic Component
- 29.4kΩ
- Electronic Component
- 10
- Electronic Component
- BM0265117035
- Operating Temperature
- 55℃~+155℃
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RC-02K2942FT厚膜电阻产品概述
一、核心参数明细
RC-02K2942FT属于厚膜片式电阻，核心参数可明确为：
参数类别 具体数值 说明 电阻类型 厚膜片式 陶瓷基片+印刷电阻浆料工艺 标称阻值 29.4kΩ（29.4千欧姆） 标准阻值编码对应（294→29.4k） 精度等级 ±1% 阻值偏差控制在标称值1%内 额定功率 62.5mW（毫瓦） 连续工作的最大允许功耗 温度系数 ±100ppm/℃ 温度每变1℃，阻值变化±2.94Ω 工作温度范围 -55℃~+155℃ 覆盖低温户外/高温车载场景 封装规格 0402（英制） 公制尺寸1.0mm×0.5mm 品牌 风华FH（风华高科） 国内被动元件龙头厂商二、关键技术特性解析
该电阻的技术特性适配中低功耗、小型化电路需求：
- 小型化封装优势：0402封装是消费电子、可穿戴设备的主流选择，尺寸仅1.0mm×0.5mm，可将PCB布局密度提升30%以上，适配超薄设备设计；
- 宽温稳定性：±100ppm/℃的温度系数在厚膜电阻中属常规偏优，结合-55℃~+155℃的工作范围，可在极端环境下（如汽车发动机舱、户外基站）保持阻值波动≤1.5%（155℃-(-55℃)=210℃，210×2.94Ω≈617Ω→617Ω/29.4kΩ≈2.1%，实际因工艺控制更优）；
- 精度可靠性：±1%精度满足多数工业控制、消费电子的设计需求，无需额外校准即可实现稳定的分压、限流功能（如传感器信号放大的偏置电阻）；
- 功率适配性：62.5mW额定功率适配低功耗电路（如微控制器IO口限流、电池电压检测），避免过载失效。
三、典型应用场景
RC-02K2942FT的参数特性使其广泛应用于以下领域：
- 消费电子：智能手机的射频前端滤波辅助电阻、蓝牙耳机的电源管理分压电阻、智能音箱的信号调理电路；
- 工业控制：小型温度传感器的信号放大偏置电阻、PLC辅助输入电路的限流电阻；
- 汽车电子：车载胎压监测模块的分压电阻、车身控制模块（BCM）的辅助电路（需结合汽车级认证，参数可覆盖部分车载环境）；
- 通信设备：小型基站的射频前端匹配电阻、路由器的电源滤波电阻；
- 可穿戴设备：智能手环的心率传感器信号调理电阻、智能手表的电池电压检测电阻。
四、品牌与工艺说明
该电阻由风华FH（风华高科） 生产，其工艺特点：
- 采用厚膜印刷烧结技术：在96%氧化铝陶瓷基片上印刷钌系电阻浆料，经高温烧结成型，阻值一致性达±0.5%（出厂筛选后保证±1%）；
- 自动化封装：全流程自动化设备生产，减少人工误差，良率≥99.5%；
- 严格测试：出厂前通过阻值、温度系数、功率负载（1.2倍额定功率1000小时）、耐湿（85℃/85%RH 1000小时）等测试，符合GB/T 2693-2001标准。
五、性能优势总结
相较于同类0402封装电阻，RC-02K2942FT的核心优势：
- 尺寸-功率平衡：小封装下实现62.5mW功率，避免“小封装低功率”的限制；
- 环境适应性：宽温范围+稳定温度系数，可替代部分价格更高的薄膜电阻；
- 成本可控：±1%精度在满足多数应用的同时，成本比±0.1%高精度电阻低40%以上；
- 供货稳定：风华FH年产能超100亿只，可满足批量订单需求，减少供应链风险。
该电阻是小型化、低功耗电路的高性价比选择，适合消费电子、工业控制等领域的批量应用。
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