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Vishay MMB02070C4700FB200 Resistor MMB02070C4700FB200
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- VISHAY MMB02070C4700FB200
- Type
- VISHAY
- Minimum package
- 2000 卷
Technical parameters
- Power
- 1W
- Electronic Component
- VISHAY
- Electronic Component
- MMB02070C4700FB200
- Electronic Component
- 1
- Package
- MELF-0207
- Electronic Component
- SMD Resistor
- Electronic Component
- ±1%
- Electronic Component
- 0.12g
- Electronic Component
- 470Ω
- Electronic Component
- 1
- Electronic Component
- BM0230110116
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 350V
- Electronic Component
- ±50ppm/℃
- 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.
MMB02070C4700FB200 产品概述
一、主要参数与标称
MMB02070C4700FB200 为 VISHAY（威世）推出的薄膜电阻，封装为 MELF-0207（亦标注 2309），标称阻值 470Ω，阻值精度 ±1%，温度系数（TCR）±50ppm/℃。额定工作电压可达 350V，适用工作温度范围 −55℃ 至 +155℃。用户提供资料中列示额定功率为 1W，另有描述显示 0.4W；在最终选型与可靠性评估时建议以厂家最新数据手册为准。
二、结构与封装
该款为薄膜（thin film）工艺制成的 MELF 圆柱形贴片电阻，具有良好的尺寸稳定性与阻值稳定性。MELF 翻边封装在高温回流与冲击振动条件下展现出优异的机械可靠性，配合卷带（T/R）包装方便自动贴装生产线应用。
三、关键特性与优势
- 高精度：±1% 阻值公差，适合要求严格的阻抗匹配与分压电路。
- 低温漂：±50ppm/℃ 的温度系数，保证随温度变化的阻值稳定性。
- 宽温度范围与耐热性：−55℃~+155℃，适用严苛环境。
- 耐硫化性：针对含硫环境进行了防护处理，适合油气、工业与汽车等恶劣场景。
- 汽车级认证：满足 AEC‑Q200 要求，符合车规级可靠性标准。
四、典型应用场景
适用于汽车电子（传感器、控制单元）、精密测量与采样电路、滤波/分压网络、信号调理及工业控制设备等需要高稳定性与高可靠性的场合。对硫化敏感环境与车规级产品尤为合适。
五、选型要点与安装建议
- 确认功率与散热条件：MELF 包装的散热特性与 PCB 板上铜箔面积、环境散热密切相关，建议遵循厂家功率-温度特性曲线并适当降额使用。
- 焊接工艺：可采用标准无铅回流工艺，注意避免过度机械应力（抓手夹具或回流后过度弯折可能导致失效）。
- 验证数据：针对用户资料中功率标注不一致（1W 与 0.4W），在设计前请以 VISHAY 官方数据手册为准，确认最大允许功耗与评估热阻。
- 并联/串联使用：用于更高功耗或更精确阻值时，可考虑电阻并联/串联，并注意匹配阻值与功率分配。
六、品质与可靠性
VISHAY 品牌与 AEC‑Q200 认证为本型号提供了良好的可靠性基础，薄膜工艺带来长期阻值稳定与低噪声特性。对于车辆与工业级长期运行环境，配合正确的热管理与焊接流程，可获得优异的寿命与一致性。
若需更详细的尺寸图、功率—温度曲线、焊接曲线和寿命测试数据，请联系供应商或参考 VISHAY 官方数据手册以完成最终设计验证。
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