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KOA RK73B1ETTP5R6J
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- KOA RK73B1ETTP5R6J
- Type
- KOA
- Unit
- Electronic Component
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- KOA
- Electronic Component
- RK73B1ETTP5R6J
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.011g
- Electronic Component
- 5.6Ω
- Electronic Component
- 1
- Electronic Component
- BM0265148166
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 75V
- Electronic Component
- ±200ppm/℃
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
RK73B1ETTP5R6J 产品概述
一、概述与主要参数
RK73B1ETTP5R6J 为 KOA 系列贴片厚膜电阻，封装为 0402（公制约 1.0 mm × 0.5 mm）。典型电气参数如下：阻值 5.6 Ω，允许偏差 ±5%（J），额定功率 0.1 W（100 mW），最高工作电压 75 V，温度系数（TCR）±200 ppm/℃，工作温度范围 -55℃ 至 +155℃。该器件面向通用电子电路的空间受限场合，提供稳定的基线阻值与经济的成本性能比。
二、结构与特点
RK73B1ETT 为厚膜（thick film）工艺制造，采用陶瓷基体与丝网印刷阻性薄膜，经过烧成与金属化电极处理。厚膜电阻的优点包括制造成本低、批量一致性好、对一般贴片焊接工艺兼容。0402 超小封装适合高密度 PCB 设计与移动终端、消费电子等对体积敏感的应用。
三、应用场景
- 消费类电子（手机、平板、可穿戴设备）中的分流、基准或偏置网络；
- 工业控制与仪表中对空间与功耗有要求的通用电阻用途；
- 信号链和滤波电路中用作阻抗匹配或限流元件；
- 需高密度贴装的模块化电路板。
注：由于额定功率仅 100 mW，适合低功率或短脉冲场合，若存在持续高功率消耗或高热环境，应评估降额或选择更大功率等级元件。
四、使用与可靠性建议
- 功率与温度：在高温环境下应遵循制造商的功率降额曲线，避免长时间在额定功率上限工作；
- 电压与脉冲：最大工作电压 75 V，跨压或脉冲应避免超出该值以防介质击穿或失效；
- 焊接工艺：兼容常见的回流焊流程，但建议控制回流峰值温度与时间，避免多次回流导致电阻值漂移；
- 存储与净化：避免潮湿与污染，贴片在组装前保持清洁，防止焊接助焊剂对电阻端端造成影响；
- 可靠性测试：在关键应用中建议进行样件的温度循环、湿热与焊接后阻值漂移测试以验证长期稳定性。
五、选型与替代考虑
该型号适合对精度要求一般（±5%）且空间受限的设计。若需要更高精度、低 TCR 或更高功率，应考虑更高等级的薄膜或金属膜电阻、或更大封装（0603、0805 等）。在存在更高工作电压或连续功率需求时，应优先选用功率等级更高且具有明确降额数据的型号。
总结：RK73B1ETTP5R6J 提供了小尺寸、成本友好且适合大批量贴装的通用电阻解决方案。设计时应注意功率、温度与电压限制，按应用需求评估降额与可靠性验证。若需更详细的电气特性、包装形式或降额曲线，建议参考 KOA 的官方规格书或联系供应商获取完整数据。
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