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VISHAY CRCW0402301KFKED
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- VISHAY CRCW0402301KFKED
- Type
- VISHAY
- Minimum package
- 10000 圆盘
Technical parameters
- Power
- 63mW
- Electronic Component
- Electronic Component
- Electronic Component
- VISHAY
- Electronic Component
- CRCW0402301KFKED
- Electronic Component
- 1
- Package
- 0402
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.011g
- Electronic Component
- 301kΩ
- Electronic Component
- 1
- Electronic Component
- BM0246758967
- 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.
CRCW0402301KFKED 产品概述
一、产品简介
CRCW0402301KFKED 为 VISHAY（威世）旗下 CRCW 系列贴片厚膜电阻，阻值 301 kΩ，精度 ±1%，额定功率 63 mW，温度系数（TCR）±100 ppm/℃，工作温度范围 -55 ℃ 到 +155 ℃，封装为常见的 0402（公制 1005）尺寸。该型号面向体积受限的高密度 PCB 设计，兼顾尺寸微小与性能稳定的通用型应用需求。
二、主要参数
- 阻值：301 kΩ
- 精度：±1%
- 额定功率：63 mW（0402 封装典型值）
- 温度系数：±100 ppm/℃（0~70 ℃ 标称）
- 工作温度：-55 ℃ ~ +155 ℃
- 封装：0402（1005）
- 制程：厚膜电阻
三、产品特性与应用场景
- 空间节约：0402 超小封装适合高密度贴片设计、便于实现小型化产品和多层板布线。
- 稳定性：±1% 精度和 ±100 ppm/℃ 的 TCR 能够满足多数模拟、测量与偏置电路对阻值精度和温漂的要求。
- 通用性强：适用于电源分压、偏置网络、信号衰减、滤波器阻值元件及一般数字/模拟电路的阻性元件。
- 工业温度范围：-55 ℃ ~ +155 ℃，适合在较宽温度范围下工作的工业与消费类电子设备。
四、可靠性与性能注意事项
- 厚膜材质：与金属膜相比，厚膜电阻在某些高精度或低噪声应用中稳定性与噪声特性略逊一筹，应在要求极高的测量场合谨慎选用。
- 温度降额：在高环境温度下应按厂商给出的温度-功率降额曲线降额使用，以避免超出元件承受能力导致漂移或失效。
- 潮湿与热循环：长期高湿或频繁热循环可能影响厚膜粘结与焊接可靠性，需在 PCB 设计与环境控制中予以考虑。
五、封装与焊接建议
- 贴装工艺：适合回流焊工艺，建议遵循 VISHAY 的回流温度曲线及焊接工艺规范，避免超温或超时导致电阻烧伤或阻值突变。
- 焊盘设计：采用厂家建议的 0402 焊盘尺寸以保证良好焊接与热传导，减少应力集中及焊点裂纹风险。
- 清洗与钝化：若采用化学清洗，确认清洗剂对厚膜层无腐蚀性；对需高可靠性的应用建议进行钝化保护处理。
六、选型与采购建议
- 若需更低温漂或更低噪声，应考虑金属膜或薄膜高精度电阻品种；如需更高功率，考虑更大封装（0603、0805 等）。
- 采购时注意核对完整料号（如 CRCW0402 301K F K E D）以确认阻值、精度、封装及包装形式（带卷/带盘）等信息，确保与 BOM 一致。
- 对关键应用建议向供应商索取最新数据手册、温度-功率降额图和可靠性测试报告，以便完成最终验证。
总体而言，CRCW0402301KFKED 提供了在微型化封装下较好的精度与温漂表现，是常见的通用型 SMD 厚膜电阻，适合空间受限且对阻值精度有中高要求的电子产品设计。
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