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UniOhm 1206W4J0123T5E
Configuration
1 options
Configuration
25+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Uni Ohm 1206W4J0123T5E
- Type
- UNIOHM
- Minimum package
- 5000
Technical parameters
- Power
- 250mW
- Electronic Component
- UNIOHM
- Electronic Component
- 1206W4J0123T5E
- Electronic Component
- 1
- Package
- 1206
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.03g
- Electronic Component
- 12kΩ
- Electronic Component
- 10
- Electronic Component
- BM0257394953
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 200V
- Electronic Component
- ±100ppm/℃
- Resistor Type
- Resistor
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
1206W4J0123T5E 产品概述
一、产品简介
1206W4J0123T5E 为 UniOhm（台湾厚声）出品的片式厚膜电阻，封装为1206（公制3216）。额定阻值为 12kΩ，阻值精度 ±5%（J），额定功率 250mW，最高工作电压 200V，温度系数（TCR）±100ppm/℃，工作温度范围 -55℃ 到 +155℃。该器件以可靠性好、成本低、适合大批量表面贴装生产为主要特点，适用于通用电子电路中对中等精度与功率要求的场合。
二、主要特性与优势
- 标准 1206 封装，尺寸紧凑，便于高密度贴片组装（典型尺寸 3.2×1.6mm，厚度约 0.6mm）。
- 厚膜工艺成本优势明显，适合大批量使用；工艺成熟，环境适应性强。
- ±5% 精度与 ±100ppm/℃ 的温度系数满足多数信号/偏置网络、分压、电平拉取等通用应用。
- 250mW 功率与 200V 最大工作电压在中低功率电源、驱动与接口电路中具有良好适用性。
三、典型电气与机械参数
- 阻值：12kΩ；公差：±5%（J）。
- 额定功率：250mW（实际功率与载板散热、环境温度相关，应参见厂方降额曲线）。
- 最大工作电压：200V（在额定阻值和功率条件下安全工作）。
- 温度系数：±100ppm/℃；工作温度：-55℃ ~ +155℃。
- 封装：1206（3.2×1.6mm），厚膜沉积，端面电镀，适配常规回流焊工艺。
四、应用场景
适用于消费电子、工业控制、通讯设备与汽车电子（非关键安全回路）中的分压、电平偏置、滤波阻值、电流限制与通用阻抗匹配等场合。若电路对精度、低噪声或长期漂移有更高要求，建议考虑薄膜或金属膜精密电阻替代。
五、PCB 设计与焊接建议
- 布局时为保证功率散热，应考虑适当增加焊盘铜箔面积或利用过孔散热。
- 回流焊请遵循厂方推荐曲线并控制预热与峰值时间，避免长时间高温导致电阻漂移。
- 储存与清洗按标准贴片器件流程进行，避免强烈化学溶剂或超声清洗可能引发的接触电阻变化。
六、可靠性与选型要点
厚膜电阻在温度循环、湿热和机械震动等常规可靠性试验中表现稳定。选型时应关注功率与温升、最大工作电压和环境温度的匹配；在高精度或低漂移场合选择更高精度或更低 TCR 的产品。为确保一致性，建议批量采购时索取完整技术资料与样品测试。
若需该型号的详细数据手册、降额曲线或可靠性报告，可联系供应商 UniOhm（台湾厚声）获取原厂资料。
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