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UNI-ROYAL 0805W8J0205T5E
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- UNI-ROYAL 0805W8J0205T5E
- Type
- UNI-ROYAL
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 125mW
- Electronic Component
- Electronic Component
- Electronic Component
- UNI-ROYAL
- Electronic Component
- 0805W8J0205T5E
- Electronic Component
- 1
- Package
- 0805
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.027g
- Electronic Component
- 2MΩ
- Electronic Component
- 1
- Electronic Component
- BM0257624252
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 150V
- 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.
0805W8J0205T5E 产品概述
一、产品简介
0805W8J0205T5E 为 UNI-ROYAL（厚声）出品的贴片厚膜电阻，封装为0805（2012公制），阻值为 2MΩ，公差 ±5%，额定功率 1/8W（125mW），额定工作电压 150V，温度系数（TCR）±100ppm/℃，工作温度范围 -55℃ 至 +155℃。本款器件适用于一般电子电路中的高阻值需求，兼顾体积、可靠性与成本。
二、主要性能参数
- 电阻类型：厚膜电阻（SMD）
- 阻值：2MΩ
- 精度：±5%（J级）
- 额定功率：125mW（室温）
- 额定工作电压：150V（持续）
- 温度系数：±100ppm/℃
- 工作温度：-55℃ ~ +155℃
- 封装：0805（2012）
- 品牌：UNI-ROYAL（厚声）
三、使用特性与电气计算
在最大工作电压 150V 下，通过电流约为 75µA（I=V/R），所消耗功率约为 11.25mW（P=V^2/R），远低于器件在室温下的额定功率 125mW。因此在满压条件下不会因功率驱动到极限，但仍需考虑系统环境温度和封装散热限制；器件在高环境温度时应按厂商建议进行功率降额使用。
四、主要优点与限制
优点：
- 高阻值、体积小，适合占板面积受限的场合。
- 成本低，工艺成熟，批量一致性好。
限制： - TCR ±100ppm/℃，不适用于高精度温度敏感电路。
- 虽然额定功率为125mW，但受限于额定工作电压，实际最大消耗功率在高阻值时受电压平方关系限制。
五、应用场景
适用于电子产品中作为上拉/下拉电阻、偏置电阻、泄放电阻、滤波网络的高阻值元件、模拟输入缓冲与偏置，以及需要小电流通路的测量与检测电路。由于工作电压为150V，不建议用于高压隔离或超过额定电压的场合。
六、焊接与可靠性注意事项
- 推荐采用标准回流焊工艺，遵循制造商提供的回流温度曲线，避免超时高温循环。
- 焊接后避免对电阻施加过大机械应力，防止端电极裂纹或接触不良。
- 清洗时选用对厚膜和粘结剂友好的溶剂，避免长期浸泡。
- 存储与使用时注意防潮、防静电，保持在建议的环境条件内以保障长时间稳定性。
七、包装与选型建议
通常以卷带（Tape & Reel）方式供货，便于自动贴装。选型时若对温漂、精度或耐压有更高要求，可考虑更低TCR、更高精度或更高额定电压的同系列或薄膜型号。购买与设计时请参考 UNI-ROYAL 的完整规格书与可靠性测试报告以获得详细参数与使用限制。
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