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VISHAY CRCW08052K40FKEA
Configuration
1 options
Configuration
24+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- VISHAY CRCW08052K40FKEA
- Type
- VISHAY
- Minimum package
- 5000
Technical parameters
- Power
- 125mW
- Electronic Component
- VISHAY
- Electronic Component
- CRCW08052K40FKEA
- Electronic Component
- 1
- Package
- 805
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.028g
- Electronic Component
- 2.4kΩ
- Electronic Component
- 1
- Electronic Component
- BM0265603957
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 150V
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CRCW08052K40FKEA 产品概述
一、产品简介
CRCW08052K40FKEA 为 VISHAY（威世）旗下 CRCW 系列贴片厚膜电阻，尺寸为 0805（约 2.0 mm × 1.25 mm），标称阻值 2.4 kΩ，精度 ±1%（F），额定功率 125 mW。该器件适用于对体积、成本和可靠性有均衡要求的表面贴装电路，常用于消费类与工业类电子产品中。
二、主要规格与性能
- 阻值：2.4 kΩ
- 精度：±1%（F）
- 额定功率：125 mW（环境温度和散热条件下）
- 工作温度范围：-55 ℃ ～ +155 ℃
- 温度系数（TCR）：±100 ppm/℃
- 最高工作电压：150 V
- 阻值类型：厚膜电阻（贴片）
- 封装：0805（英制 0805 / 公制 2012）
三、关键特性
- 稳定的电阻性能：±1% 的容差配合 ±100 ppm/℃ 的 TCR，可满足大多数通用电子设计对稳定性与精度的要求。
- 宽温度范围：-55 ℃ 至 +155 ℃ 的工作温度适合较为苛刻的工业环境。
- 紧凑封装：0805 小型封装利于高密度 PCB 布局与自动化贴装。
- 成本与可获性：厚膜工艺具有成本优势，适合中低功率、大批量应用。
四、典型应用场景
- 电源与电压分压电路（需注意功率与工作电压限制）
- 信号处理与滤波网络
- 工业控制与传感器接口电路
- 通信设备与消费电子中的一般限流、偏置、拉/下拉网络
五、封装与装配注意事项
- 功率额定值为常温条件下给出，高温环境须按厂商降额曲线处理以避免过热。
- 最高工作电压 150 V，设计时务必保证电阻两端电压和瞬态脉冲不过载。
- 适配常见回流焊工艺，但建议参考 VISHAY 的详细回流曲线以控制峰值温度与焊接时间，避免热应力或裂纹。
- PCB 走线与热沉设计会影响实际功率耗散，必要时增加焊盘面积或旁路散热路径。
六、选型建议与结论
CRCW08052K40FKEA 适合追求尺寸小、成本低、性能可靠的通用电子设计。若系统对温漂、噪声或长期稳定性有更高要求（例如精密测量、低噪放大器），可考虑更低 TCR 或金属膜/薄膜电阻替代。选型时请确认实际工作环境温度、最大施加电压与瞬态脉冲，并参照 VISHAY 官方数据手册获取详细的功率降额、寿命与包装信息，以确保设计长期可靠运行。
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