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CMF55249R00FKEK

产品分类: 通孔电阻
产品描述: 249Ω ±1% 500mW ±100ppm/℃ 通孔安装 6.1mm(长度)*2.29mm(宽度)
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标准整包数: 0
VISHAY INTERTECHNOLOGY 通孔电阻 CMF55249R00FKEK

CMF55249R00FKEK概述

    Vishay Dale CMF Series Metal Film Resistors: Comprehensive Overview
    Product Introduction
    The Vishay Dale CMF series represents a high-quality line of metal film resistors designed for industrial and precision applications. These resistors are notable for their small size, conformal coating, and exceptional electrical characteristics, making them ideal for demanding environments where reliability and precision are paramount. Key features include flame-retardant epoxy coating, excellent high-frequency performance, and exceptionally low noise levels.
    The CMF series supports a wide range of resistance values and tolerances, from 0.1 Ω to 50 MΩ, with tolerances ranging from ±0.1% to ±5%. They are widely used in applications requiring high accuracy and stability, including telecommunications, instrumentation, automotive electronics, and military systems.
    Technical Parameters
    | Parameter | Value |

    | Maximum Working Voltage | ≤ 200 V to ≤ 500 V |
    | Power Rating @ 70°C | 0.25 W to 1.75 W |
    | Power Rating @ 125°C | 0.125 W to 1.25 W |
    | Resistance Range | 0.1 Ω to 50 MΩ |
    | Tolerance | ±0.1% to ±5% |
    | Temperature Coefficient | 25 ppm/°C to 300 ppm/°C |
    Additional specifications include:
    - Insulation Voltage: >500 VAC
    - Voltage Coefficient: ±5 ppm/V
    - Dielectric Strength: Up to 900 VAC
    - Operating Temperature Range: -55°C to +175°C
    - Noise: Typically 0.10 μV/V
    These resistors are also RoHS-compliant, ensuring environmental safety and regulatory compliance.
    Product Features and Advantages
    The CMF series stands out due to its:
    - Small Size: The conformal coating allows for compact designs.
    - Flame Retardant Epoxy Coating: Enhances safety and durability.
    - Controlled Temperature Coefficient: Ensures stability across varying temperatures.
    - Excellent High-Frequency Characteristics: Ideal for RF and microwave applications.
    - Exceptionally Low Noise Levels: Reduces signal interference.
    Special modifications like fusible or flameproof versions cater to specific application needs, enhancing flexibility and utility.
    Application Cases and Usage Recommendations
    The CMF series is versatile and finds applications in numerous fields. Some notable use cases include:
    - Telecommunications Equipment: Precise impedance matching in high-frequency circuits.
    - Automotive Electronics: Reliable performance in extreme temperature conditions.
    - Military Systems: Adheres to rigorous standards with MIL-SPEC ratings.
    Usage Tips:
    - Always derate resistors according to the ambient temperature to maintain long-term stability.
    - Consider the power rating carefully to avoid overheating and potential resistance shifts.
    Compatibility and Support
    The CMF series is compatible with standard through-hole mounting techniques and packaging options, ensuring ease of integration into existing designs. Vishay provides comprehensive support, including detailed technical documentation, customization options, and adherence to global standards.
    Common Issues and Solutions
    | Issue | Solution |

    | Resistance Drift | Ensure proper derating and select appropriate power ratings. |
    | High Voltage Breakdown | Verify insulation voltage and consider additional shielding. |
    | Poor Solderability | Use standard soldering practices and ensure correct lead finish. |
    Conclusion and Recommendation
    The Vishay Dale CMF series offers an unparalleled combination of precision, reliability, and adaptability, making it a top choice for professionals requiring high-performance resistors. Its robust design, extensive parameter options, and compatib

CMF55249R00FKEK参数

参数
电阻值 249Ω
精度 ±1%
额定功率 500mW
温度系数 ±100ppm/℃
长*宽*高 6.1mm(长度)*2.29mm(宽度)
安装方式 通孔安装
零件状态 在售
包装方式 散装

CMF55249R00FKEK厂商介绍

Vishay Intertechnology是一家全球领先的电子元件制造商,专注于研发、制造和销售各种高性能电子元件。公司成立于1962年,总部位于美国宾夕法尼亚州的马尔文,在全球拥有多个生产基地和研发中心。

Vishay Intertechnology的产品主要分为以下几类:
1. 分立元件:包括二极管、晶体管、MOSFET等。
2. 被动元件:包括电阻、电容器、电感等。
3. 传感器:包括温度、压力、湿度等传感器。
4. 保护元件:包括保险丝、浪涌保护器等。

这些产品广泛应用于汽车、工业、医疗、通信、消费电子等领域。Vishay Intertechnology的优势在于:
1. 技术创新:公司不断研发新技术和新产品,以满足市场需求。
2. 质量控制:公司严格遵循ISO等国际质量标准,确保产品质量。
3. 客户服务:公司提供全方位的技术支持和定制化服务,以满足客户的个性化需求。
4. 全球布局:公司在全球设有多个生产基地和研发中心,可以快速响应客户需求。

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