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VISHAY CRCW06036K49FKEA
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- VISHAY CRCW06036K49FKEA
- Type
- VISHAY
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 100mW
- Electronic Component
- Electronic Component
- Electronic Component
- VISHAY
- Electronic Component
- CRCW06036K49FKEA
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.024g
- Electronic Component
- 6.49kΩ
- Electronic Component
- 1
- Electronic Component
- BM0265275114
- 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.
CRCW06036K49FKEA 产品概述
一、产品基本参数
CRCW06036K49FKEA 为 VISHAY（威世）出品的厚膜贴片电阻，封装为 0603，标称阻值 6.49 kΩ，阻值精度 ±1%，额定功率 1/10W（0.1W），额定工作电压 75 V，温度系数（TCR）±100 ppm/℃，工作温度范围 -55℃ 至 +155℃。描述简称：RES SMD 6.49K OHM 1% 1/10W 0603。
二、性能要点与理解
- 精度 ±1% 适合精确分压、滤波、电阻网络等需要中高精度的场合。
- TCR ±100 ppm/℃ 表示温度变化 1℃ 时阻值约变化 0.01%，温度漂移可控但不及金属薄膜（低 TCR）等级。
- 功率与电压的关系需同时考虑：由功率限制得出的最大允许电压 Vmax = sqrt(P×R) ≈ 25.5 V；对应最大连续电流约 Imax ≈ 3.9 mA。虽厂商给出 75 V 的工作电压，但在不超过额定功率前提下仍应以功率限制为设计依据。
三、主要特点
- 封装小（0603），适用于高密度贴装与轻量化产品。
- 厚膜工艺成本较低、制造成熟，量产一致性好，适合大批量应用。
- 温度范围宽，适应工业级温度循环与户外环境（在满足降额使用条件下）。
四、典型应用场景
- 消费电子（手机模组、便携设备的分压与阻容网络）。
- 工业控制与传感器接口（低至中等功率测量与偏置）。
- 通信设备、信号链匹配与滤波电路。
- 通用电子装配或需小体积电阻的场合。
五、封装与焊接建议
- 推荐按 VISHAY 或行业标准的回流焊曲线及 IPC/JEDEC 指南进行回流焊接，避免超出厂家推荐的热循环以防阻值漂移或引脚焊接缺陷。
- 贴装时注意 PCB 焊盘设计和阻焊开窗，遵循厂方推荐的 land pattern 可获得最佳热分布与机械强度。
- 对于长期高温环境或靠近热源位置，应进行功率降额，保证长期可靠性。
六、可靠性与注意事项
- 厚膜电阻相较于金属膜在长期高精度稳定性上略逊，设计时若需长期 ppm 级稳定应考虑金属薄膜或金属氧化膜产品。
- 使用中应避免超额定功率与频繁的温度突变；严禁在超过由功率计算得到的 Vmax 条件下持续工作。
- 在高湿、高盐雾或强腐蚀环境中建议采取防护涂层或选用专用符合更高可靠性等级的器件。
七、选型与替代建议
- 若需同等封装与更低 TCR 或更高功率，可在 VISHAY 的其他系列或同规格的金属薄膜产品中查找。
- 该型号适合作为标准通用电阻选择，若系统对温漂、噪声或长期稳定性有更高要求，可考虑升级至更高等级的器件。
总结：CRCW06036K49FKEA 是一款面向通用电子与工业应用的 0603 厚膜精准电阻，结合 ±1% 精度与小型封装，适合在受控功率条件下用于高密度电路板设计。选型时应综合考虑功率、工作电压与长期环境因素，遵循厂方焊接与 PCB 布局建议以保证可靠性。
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