WMSIC Electronic Components

UNI-ROYAL 1206W4J0221T5E

Model1206W4J0221T5E
Package1206
BrandUNI-ROYAL
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
UNI-ROYAL 1206W4J0221T5E
Type
UNI-ROYAL
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
1206W4J0221T5E
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.03g
Electronic Component
220Ω
Electronic Component
1
Electronic Component
BM0257624918
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.

1206W4J0221T5E — 1206 厚膜贴片电阻 220Ω ±5% 产品概述

一、产品简介

1206W4J0221T5E 为 UNI-ROYAL(厚声)系列厚膜贴片电阻,封装规格为 1206(英制),阻值 220Ω,公差 ±5%(J 级)。额定功率为 250mW,最高工作电压 200V,温度系数(TCR)±100ppm/℃,工作温度范围 -55℃ 至 +155℃。适用于通用电子电路中对中等阻值、一般精度和中等功耗要求的场合。

二、主要性能特点

  • 厚膜工艺,体积小,制造成本低,稳定性良好。
  • 标准 1206 封装,机械强度高,便于自动贴装。
  • 阻值 220Ω,精度 ±5%(适合通用替换与批量生产)。
  • 额定功率 250mW,TCR ±100ppm/℃,在宽温区间保持基本电气性能。
  • 最高工作电压 200V,适合低压到中压信号链路应用。
  • 环境耐受性良好,适应工业级温度范围(-55℃ ~ +155℃)。

三、典型应用场景

  • 拉/下拉电阻、偏置网络、信号阻抗匹配与限流元件。
  • 模拟前端和数字电路中常规阻值需求(消费类电子、通信设备、家电)。
  • 工业控制与测量设备中作为分压、限流或阻尼元件(在功率允许范围内)。
  • 产品批量化生产与维修替换件,因封装通用,便于替换与备料管理。

四、电气与热管理建议

  • 在高温环境或高功耗工况下,应做功率降额处理;贴片电阻的实际允许功率与PCB铜箔面积与散热条件密切相关。建议在靠近地平面或加大焊盘铜量以提高散热能力。
  • 避免长时间在额定功率下运行,尤其在环境温度接近上限时会加速漂移和失效。
  • 使用时不得超过最高工作电压 200V,短脉冲可越级但需评估热和电应力。
  • 对温漂敏感的应用建议选用更低 TCR 或更高精度型号。

五、封装与焊接注意事项

  • 封装为标准 1206,适配常规贴片机与回流焊流程。
  • 推荐按无铅回流工艺,遵循器件供应商的回流温度曲线(一般不超过 260℃ 的峰值温度并控制热坡度)。
  • 储存环境避免潮湿和化学污染,长期储存建议密封干燥包装。
  • 清洗时避免使用强极性溶剂对电阻体产生侵蚀,必要时按IPC清洗规范选用合适溶剂。

六、可靠性与选型建议

  • 厚声品牌产品一般通过焊接可靠性、温循环、湿热等常规加速寿命试验。具体认证与测试报告请以供应商出具的 Datasheet 为准。
  • 选型时若电路允许,功耗裕量最好保留 2 倍以上;对温漂或长期稳定性要求较高的场合,建议选择更低 TCR 或更高精度(≤1%)的薄膜/金属膜电阻。
  • 采购与备料时注意包装形式(卷带/盘装/小包装)与批次一致性,以免生产中出现阻值偏差问题。

如需更详细的电气特性曲线、回流曲线或可靠性测试报告,可联系供应商索取完整 Datasheet 或样片进行实测验证。

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