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Walsin WR12X6R8JTL
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- (Walsin) WR12X6R8JTL
- Type
- WALSIN
- Minimum package
- 5000 圆盘
Technical parameters
- Power
- 250mW
- Electronic Component
- Electronic Component
- Electronic Component
- (WALSIN)
- Electronic Component
- WR12X6R8JTL
- Electronic Component
- 1
- Package
- 1206
- Electronic Component
- SMD Resistor
- Electronic Component
- ±5%
- Electronic Component
- 0.044g
- Electronic Component
- 6.8Ω
- Electronic Component
- 1
- Electronic Component
- BM0265431507
- Operating Temperature
- 55℃~+155℃
- Operating Voltage
- 200V
- Electronic Component
- 200ppm/℃~+400ppm/℃
- Resistor Type
- Resistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
WR12X6R8JTL厚膜电阻产品概述
一、产品核心定位与应用场景
WR12X6R8JTL是华新科（Walsin）推出的1206封装厚膜固定电阻，针对中低功率电路的精准阻值控制需求设计，兼具成本效益与可靠性，广泛适配消费电子、工业控制、通信等领域的基础电阻应用场景，是实现电路分压、限流、匹配的核心无源器件之一。
二、关键参数详解
该电阻的核心参数可满足多数常规电路的设计要求，具体如下：
- 阻值与精度：标称阻值6.8Ω，精度±5%，属于低阻范畴，可覆盖电路中的电流 sensing、匹配网络等低阻需求场景；
- 功率与电压：额定功率250mW（0.25W），符合1206封装的常规功率规格；额定工作电压200V（绝缘耐压），需注意实际工作时需满足功率限制（(V \leq \sqrt{P \times R} \approx 1.3V)），避免过压损坏；
- 温度系数：-200ppm/℃~+400ppm/℃，反映阻值随温度变化的稳定性，属于厚膜电阻的典型温系范围，可满足一般环境温度波动下的精度要求；
- 工作温度范围：-55℃~+155℃，覆盖工业级温度区间，可适应高低温交替的恶劣环境。
三、封装与可靠性设计
- 封装规格：采用1206表面贴装封装（英制尺寸，对应公制3216），尺寸紧凑（3.2mm×1.6mm），适配自动化贴装设备，支持高密度PCB布局；
- 工艺特点：基于厚膜丝网印刷+高温烧结工艺，电阻膜层与陶瓷基底结合牢固，阻值一致性好，长期工作阻值漂移小；
- 环保与可靠性：符合RoHS无铅环保标准，抗潮湿、抗机械应力性能优异，可通过常规可靠性测试（如高低温循环、湿热试验）。
四、性能优势与适用环境
- 宽温适应性：-55℃~+155℃的工作温度范围，可稳定工作于户外、工业现场等极端温度场景；
- 成本效益：厚膜工艺降低了制造成本，适合批量应用，性价比优于部分高精度薄膜电阻；
- 功率稳定性：在额定功率下长期工作时，阻值变化率小，可确保电路性能的长期一致性；
- 兼容性强：表面贴装封装适配各类PCB材质（FR-4、陶瓷等），支持回流焊、波峰焊等常规贴装工艺。
五、典型应用领域
WR12X6R8JTL因参数适配性广，可应用于以下场景：
- 消费电子：手机、平板、笔记本电脑的电源电路（限流、分压）、音频电路（信号匹配）；
- 工业控制：PLC（可编程逻辑控制器）的输入输出接口电路、传感器信号调理电路（电流 sensing）；
- 通信设备：基站射频前端的匹配网络、电源分配电路的限流电阻；
- 汽车电子：车载辅助电路（如仪表盘背光控制、传感器信号处理）的低功率电阻（需结合整车级认证）；
- 医疗设备：小型医疗仪器（如血糖仪、血压计）的信号处理电路，要求稳定可靠的阻值控制。
该产品凭借华新科成熟的厚膜电阻工艺，在性能与成本间实现平衡，是中低功率电路中替代传统插件电阻的理想选择。
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