WMSIC Electronic Components

KOA RK73H1ETTP5362F

ModelRK73H1ETTP5362F
Package0402
BrandKOA
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
KOA RK73H1ETTP5362F
Type
KOA
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
KOA
Electronic Component
RK73H1ETTP5362F
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
53.6kΩ
Electronic Component
1
Electronic Component
BM0265148161
Operating Temperature
55℃~+155℃
Operating Voltage
75V
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.

RK73H1ETTP5362F 产品概述

RK73H1ETTP5362F 是 KOA 推出的汽车级厚膜芯片电阻,基于 0402(1005 公制)微小封装,阻值为 53.6 kΩ,精度 ±1%,额定功率 0.1W(100 mW),额定工作电压 75V,温度系数 ±100 ppm/℃,工作温度范围 -55℃ 到 +155℃。此型号通过 AEC‑Q200 认证并具备防潮处理,适合对体积、可靠性和温漂有较高要求的汽车及工业电子应用。

一、主要性能亮点

  • 阻值:53.6 kΩ,标称精度 ±1%,适合对阻值稳定性有较高要求的电路(例如精密分压、偏置网络)。
  • 功率与电压:额定功率 0.1W,最大工作电压 75V,满足多数低功耗、低压汽车控制与信号处理场景。
  • 温度特性:温度系数 ±100 ppm/℃,在宽温区间内阻值漂移受控,适合广温度应用。
  • 环境与可靠性:工作温度 -55℃~+155℃,符合 AEC‑Q200 汽车级可靠性要求,并进行防潮处理,利于长期可靠工作。
  • 封装与布局:0402(1005)超小封装,便于高密度 PCB 布局与轻量化设计。

二、结构与材料简述

RK73H1ETTP5362F 采用厚膜工艺制造,常见特征包括:陶瓷基体上印制厚膜电阻浆料,经烧结、修阻与金属化端形成电气连接。厚膜芯片电阻在体积与成本上具有优势,并通过针对汽车应用的工艺控制与后处理提升了可靠性与防潮性。

三、典型应用场景

  • 汽车电子:车身电子控制单元(BCM)、仪表、传感器前端、车灯控制、车载通信模块等对耐温与可靠性有要求的模块。
  • 电源与信号链:ADC 前端分压、基准电路、偏置与滤波网络、上拉/下拉电阻、限流与检测网络。
  • 工业设备:工控模块、传感器接口、远程通信设备等高可靠性场合。
  • 消费类电子:对空间与稳定性要求高的便携设备与模块化子板。

四、实际使用建议

  • 功率管理:0402 容量较小,热阻相对较高。建议在 PCB 设计时通过加大焊盘、使用热孔或散热铜箔来改善散热。避免在高环境温度或严重靠近热源处长期满载工作。
  • 电压限制:不要超出额定工作电压 75V,以免产生击穿或长期老化。
  • 温度和老化:在高温(靠近 +155℃)或高湿环境下,建议留有余量运行,必要时采用更大封装或更高功率等级器件。
  • 焊接工艺:厚膜芯片电阻适用于回流焊装配。为保证可靠性,应遵循厂方推荐的回流温度曲线与湿气敏感度(MSL)管控,焊接前如器件已暴露于高湿环境,进行必要的干燥处理。
  • PCB 布局:对于精密应用,尽量将电阻与热源分隔,并在阻值敏感点使用短、对称的走线以减少温度梯度和自热误差。

五、可靠性与质量保证

作为 AEC‑Q200 通过的汽车级器件,RK73H1ETTP5362F 在高温、振动、温湿循环、机械应力等多项汽车级验证中符合行业标准。防潮处理降低了焊接前储存与装配过程中的吸湿风险,提升了焊接一致性与长期电性能稳定性。

六、选型与替代注意事项

  • 若电路对温漂要求更高,可考虑更低 TCR 的型号(例如 ±50 ppm/℃ 或更低的薄膜/金属膜产品)。
  • 若功率裕量不足,应选用更大封装(如 0603、0805)或更高功率等级的同系列产品。
  • 对噪声、长期稳定性有极高要求的场合,薄膜电阻或金属薄膜电阻可能更合适,但成本与封装尺寸需权衡。

七、包装与储存

RK73H1ETTP5362F 提供符合工业与汽车供应链惯例的带卷装(tape & reel)包装,适配自动贴片生产线。器件在高湿环境下可能需要遵循吸湿/烘烤管理,建议按厂方提供的存储与烘烤说明进行处理以避免焊接缺陷。

总结:RK73H1ETTP5362F 以 0402 超小尺寸、±1% 精度、±100 ppm/℃ 温漂和 AEC‑Q200 汽车级认证为特点,适合空间受限且需高可靠性的汽车与工业电子设计。合理的 PCB 散热与电压、功率裕量设计将有助于发挥其最佳性能与长期稳定性。若需更详细的电气或焊接曲线、封装图纸与可靠性测试数据,建议查阅 KOA 官方规格书或直接联系供应商技术支持。

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