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UNI-ROYAL 0805W8J047JT5E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UNI-ROYAL 0805W8J047JT5E
- Type
- UNI-ROYAL
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 125mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNI-ROYAL
- Electronic Component
- 0805W8J047JT5E
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.027g
- Electronic Component
- 4.7Ω
- Electronic Component
- 1
- Electronic Component
- BM0257342038
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 150V
- Electronic Component
- ±200ppm/℃
- Resistor Type
- Resistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
0805W8J047JT5E 产品概述
一、产品简介
0805W8J047JT5E 为 UNI-ROYAL（厚声）生产的贴片厚膜电阻，封装为0805（公制 2012），阻值 4.7Ω，阻值精度 ±5%（J），额定功率 125mW。该款产品适用于对体积、可靠性和成本有要求的常规电子设备，用于限流、分流、阻抗匹配与一般电路偏置等场合。
二、主要规格参数
- 电阻类型：厚膜贴片电阻（Thick Film SMD）
- 阻值：4.7Ω
- 阻值精度：±5%（J）
- 额定功率：125mW（室温额定）
- 最高工作电压：150V
- 温度系数（TCR）：±200 ppm/℃
- 工作温度范围：-55℃ ~ +155℃
- 封装尺寸：0805（约 2.0 × 1.25 mm）
- 品牌：UNI-ROYAL（厚声）
- 描述：贴片电阻 0805 4.7Ω ±5%
三、产品特性
- 体积小、重量轻，适合集成度高的表面贴装线路板（SMT）。
- 稳定性良好，温度系数 ±200 ppm/℃ 适合一般工业与消费类应用。
- 额定电压 150V，满足多数低压至中等电压电路需求。
- 成本效益高，适合批量生产与替换件配置。
四、典型应用
- 消费电子（如移动设备外围电路、家电控制板）
- 工业控制与仪表（非高精度测量路径）
- 电源管理电路的限流或偏置网络
- 通讯设备与计算机主板的常规阻值应用
五、安装与焊接建议
- 兼容常规回流焊工艺，建议遵循无铅回流温度曲线，峰值温度不超过厂商推荐值（通常 ≤260℃）。
- 推荐在 PCB 上使用符合 0805 标准的焊盘设计并控制焊膏用量，避免焊盘过大导致电阻漂移或机械应力。
- 焊接后建议进行外观和虚焊检查，必要时做电气性能抽检。
六、可靠性与环境适应性
- 工作温度范围宽（-55℃ 至 +155℃），适应工业级温度环境。
- 在高温或高湿环境下，建议按厂家提供的功率降额曲线进行设计降额，避免长期在极限条件下使用导致寿命减短。
- 常规可靠性试验包括高低温循环、湿热测试、机械冲击与振动等，适配一般工业应用的可靠性要求。
七、包装与订购信息
- 常见为卷带（Tape & Reel）包装，便于自动贴片生产；亦可按客户需求提供小包装。
- 订购时请以完整料号 0805W8J047JT5E 确认阻值、精度与封装，向供应商确认库存与最小起订量。
八、使用注意事项
- 若电路对阻值精度或温漂有较高要求，建议选择更低 TCR 或更高精度的型号。
- 在高电流脉冲或高温环境下应考虑功率裕度与热管理，必要时采用大封装或更高功率器件。
- 储存时请避免潮湿与强腐蚀性气体，长期存放建议保持原包装并遵循厂商存储条件。
以上为 0805W8J047JT5E 的产品概述与应用建议，如需更详细的电气特性曲线（功率降额曲线、噪声、寿命测试数据）或回流焊温度规范，请提供联系方式或向 UNI-ROYAL 厂家索取完整数据手册。
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