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UNI-ROYAL 1206W4J0470T5E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UNI-ROYAL 1206W4J0470T5E
- Type
- UNI-ROYAL
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 250mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNI-ROYAL
- Electronic Component
- 1206W4J0470T5E
- Electronic Component
- 1
- Package
- 1206
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.03g
- Electronic Component
- 47Ω
- Electronic Component
- 1
- Electronic Component
- BM0257341470
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 200V
- 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.
1206W4J0470T5E 产品概述
一、产品简介
1206W4J0470T5E 为 UNI-ROYAL（厚声）品牌的贴片厚膜电阻，封装为1206（常见尺寸约3.2 mm × 1.6 mm），标称阻值 47Ω，阻值精度 ±5%，额定功率 250 mW，最大工作电压 200 V，温度系数（TCR）±100 ppm/℃，工作温度范围 -55℃ 至 +155℃。该器件为通用型厚膜贴片电阻，适用于一般电子产品的阻抗控制、分压、终端匹配和限流等用途。
二、主要参数
- 阻值：47Ω（标称）
- 精度：±5%（J）
- 封装：1206（3216 公制尺寸等级）
- 额定功率：250 mW（在标准测试条件下）
- 最大工作电压：200 V
- 温度系数：±100 ppm/℃
- 工作温度：-55℃ ~ +155℃
- 工艺：厚膜（厚膜浆料烧结）
三、特性与优势
- 成本效益高：厚膜工艺适合大批量、成本敏感的应用场景，单位成本低。
- 通用适配性：1206 封装在自动贴装与回流焊工艺中兼容性好，适合常规 PCB 布局。
- 宽温工作范围：-55℃ 到 +155℃ 的使用温度覆盖多数工业与民用环境。
- 良好稳定性：在正常环境与合理功率条件下，厚膜电阻具有可接受的长期稳定性，适用于常规阻值需求。
- 合格的电压等级：200 V 的最大工作电压满足多数信号与低压供电电路需求。
四、典型应用场景
- 消费电子：电视、机顶盒、音频设备等的一般信号处理与限流。
- 工业控制：传感器接口、分压网络与滤波电路。
- 通信设备：终端匹配、偏置与阻抗调节。
- 电源管理：辅助分压、启动电阻与检测回路（在额定功率和电压范围内）。
五、装配与使用注意事项
- 功率降额：实际电阻允许耗散功率受 PCB 散热、环境温度及周围元件影响，长时间工作时请参考制造商具体的功率降额曲线并留有裕度。
- 温度管理：避免长期在高端温度（接近 +155℃）和高功率负载下使用，以免加速阻值漂移或失效。
- 电压限制：不要超过标称最大工作电压 200 V，过高电压可能引起击穿或性能退化。
- 焊接工艺：适用于常规回流焊工艺，建议按制造商的回流温度曲线和湿敏等级（如有）执行。避免机械应力与弯曲导致端接处裂纹。
- 储存与搬运：防潮包装，避免强酸强碱环境及过度振动。
六、选型建议与替代方案
- 若对温漂或精度有更高要求（如低于 ±50 ppm/℃ 或 ±1% 精度），可考虑金属膜或薄膜电阻器。
- 若需要更高功率处理能力，请选择更大封装（如2010/2512等）或专用功率电阻。
- 对于高频或低噪声电路，评估厚膜特性的频率响应及噪声水平，必要时选用专用低噪声电阻。
总结：1206W4J0470T5E 是一款面向通用电子应用的厚膜贴片电阻，具备稳定的基本电性能与良好的成本优势，适用于大多数中低功率、非高精度的设计场景。选择时请综合考量工作环境、功率条件和温漂要求，按制造商数据手册进行最终验证。
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