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VISHAY CRCW0603221KFKEA
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- VISHAY CRCW0603221KFKEA
- Type
- VISHAY
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- VISHAY
- Electronic Component
- CRCW0603221KFKEA
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.024g
- Electronic Component
- 221kΩ
- Electronic Component
- 1
- Electronic Component
- BM0058422686
- 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.
CRCW0603221KFKEA 产品概述
一、主要参数概览
CRCW0603221KFKEA 为 VISHAY（威世）推出的一款 0603 封装贴片厚膜电阻，主要电气与环境参数如下：标称阻值 221 kΩ，额定功率 100 mW，阻值公差 ±1%（K），温度系数 ±100 ppm/℃，允许工作电压 75 V，工作温度范围 -55 ℃ 至 +155 ℃。该器件属于厚膜工艺，适用于常规精度与高密度装配场景。
二、封装与工艺特点
0603（约 1.6 mm × 0.8 mm）小尺寸便于高密度贴装与自动化回流焊生产。厚膜电阻工艺在尺寸与成本之间取得平衡，具有良好的机械强度和可焊性，适合批量化电子产品的表面贴装生产。典型的厚膜结构在耐焊接性、抗振动和抗冲击方面表现稳定。
三、性能与可靠性
- 温度特性：±100 ppm/℃ 的温漂对多数模拟与数字电路足够稳定，可用于偏置网络、分压器等场合。
- 精度与稳定性：±1% 公差保证了较高的配对与设定精度，适合要求一致性的阻值网络。
- 环境适应性：-55 ℃ 至 +155 ℃ 的宽温区间使其可在工业级温度条件下工作，但在高温下需注意功率降额与长期漂移。
- 电压限制：75 V 最大工作电压定义了在高阻值下的安全电场范围，超压时可能引起电阻偏移或击穿。
四、典型应用场景
- 电源偏置和分压网络（高阻值分压、采样电阻）
- 拉高/拉低电路、输入阻抗设定与门限设置
- 模拟前端的阻抗匹配与滤波网络（非高频关键路径）
- 工业控制、通信设备、消费电子与测试仪器中常规布线与封装需求
五、选型与使用建议
- 功率与温度：在高环境温度或密集元件布局时，应按制造商推荐进行功率降额设计，避免长期在额定功率极限工作。
- 电压与 VCR：对于高阻值元件，应关注电压系数（VCR）对阻值的影响，尽量保持工作电压远低于 75 V，以减少电压引起的漂移。
- 焊接与装配：兼容标准 SMT 回流工艺；为保证长期可靠性，建议遵循供应商的回流曲线和焊盘布局建议，避免过度热应力。
- 布局注意：在热敏或精密电路中，应考虑热源隔离与散热路径，避免相邻大功率器件引起温升影响阻值稳定性。
六、采购与资料核对
CRCW0603221KFKEA 的命名包含系列（CRCW）、封装（0603）、阻值码（221K 表示 221 kΩ）及公差/包装等后缀。具体的包装形式、批号及合规信息（如 RoHS、可追溯性）请以 VISHAY 官方数据表与器件标签为准。选购前建议查阅最新数据表获取完整的电气特性、环境测试结果及可靠性说明，以便在设计中正确应用。
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