WMSIC Electronic Components

Walsin WR12X513JTL

ModelWR12X513JTL
Package1206
Brand(Walsin)
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
(Walsin) WR12X513JTL
Type
WALSIN
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR12X513JTL
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.044g
Electronic Component
51kΩ
Electronic Component
1
Electronic Component
BM0228207812
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.

华新科WR12X513JTL厚膜电阻产品概述

一、产品定位与核心优势

华新科WR12X513JTL是一款1206封装厚膜固定电阻,主打通用型中小功率电路应用,兼顾成本与可靠性。其核心优势体现在:

  1. 工艺稳定:采用厚膜烧结工艺,陶瓷基底结合电阻浆料,抗机械应力能力优于薄膜电阻;
  2. 封装兼容:1206(公制3216)标准贴片封装,适配绝大多数PCB设计与自动化生产;
  3. 环境适配性强:-55℃~+155℃宽温区覆盖工业级及高温场景,±100ppm/℃温漂满足常规温度变化需求;
  4. 电气参数均衡:51kΩ阻值、±5%精度、250mW功率与200V耐压,覆盖多数低压电路的限流、分压、滤波等需求。

二、关键参数详解

该电阻的核心电气与环境参数明确,可直接匹配常规电路设计:

1. 阻值与精度

阻值为51kΩ(代码“513”表示51×10³Ω),精度为**±5%**——适合不需要超高精度的场景(如分压、限流、简单滤波),避免不必要的成本浪费。

2. 功率与电压限制

  • 额定功率:250mW(连续工作时功率不得超过此值);
  • 最大工作电压:200V(需同时满足功率限制:V=√(P×R),51kΩ下200V对应的功率约78.4mW,远低于250mW,因此电压是实际应用中的主要限制因素)。

3. 温度特性

  • 温度系数(TC):±100ppm/℃——温度每变化1℃,阻值变化±5.1Ω(51kΩ×100e-6),对于±5%精度(允许±2.55kΩ变化)来说,温漂影响极小;
  • 工作温度范围:-55℃~+155℃——超出常规工业级(-40℃~+125℃),可适配汽车发动机舱、工业设备高温区等场景。

4. 封装尺寸

1206封装(英制:0.12英寸×0.06英寸;公制:3.2mm×1.6mm),焊盘间距与尺寸符合IPC标准,可直接用于标准PCB布局。

三、应用场景适配

WR12X513JTL的参数特性使其适配多领域常规电路:

1. 工业控制领域

  • PLC模拟量接口:传感器信号分压(如将010mV转换为05V);
  • 电机驱动辅助电路:限流保护、电压采样;
  • 工业电源模块:滤波网络、分压反馈。

2. 汽车电子领域

  • 车载传感器信号处理:温度、压力传感器的信号调理(宽温区适配发动机舱高温);
  • 仪表盘背光控制:电流限流、电压调节;
  • 车载音响辅助电路:简单滤波、阻抗匹配。

3. 消费电子领域

  • 电源适配器:EMI滤波网络、分压检测;
  • 显示设备:LCD背光驱动的限流电阻;
  • 音频电路:简单RC滤波(如低音衰减)。

4. 通信设备领域

  • 小型基站:信号调理电路的分压、限流;
  • 路由器:电源模块的辅助电阻、指示灯限流。

四、可靠性与环境适应性

华新科厚膜电阻的工艺特性决定了其高可靠性:

  1. 机械可靠性:陶瓷基底+厚膜烧结结构,抗振动(符合MIL-STD-202标准)、抗冲击能力强,适合工业与汽车等振动环境;
  2. 环境稳定性:环氧树脂保护层耐湿、耐化学腐蚀,可长期工作在潮湿或轻度污染环境;
  3. 寿命与稳定性:在额定参数下工作,寿命可达10万小时以上,阻值漂移率低(符合IEC 61000标准);
  4. 环保合规:符合RoHS 2.0、REACH等环保标准,无铅无镉,适配全球市场需求。

五、选型与替换参考

若需调整参数或替换,可参考以下方向:

  1. 同参数替换:其他品牌1206封装、51kΩ±5%、250mW、200V厚膜电阻(如国巨RT1206-513JTL、三星CL05K513JTN);
  2. 精度升级:若需±1%精度,可选择华新科WR12X513FTL(同封装、同功率,精度提升至±1%);
  3. 功率升级:若需更大功率,可选择1210封装(0.5W)的华新科WR1210X513JTL;
  4. 温漂优化:若需更低温漂(如±50ppm/℃),可选择薄膜电阻(如华新科对应薄膜版本,但成本更高)。

六、总结

华新科WR12X513JTL是一款高性价比通用厚膜电阻,1206封装适配性强,宽温区与稳定的电气参数使其可覆盖工业、汽车、消费电子等多领域常规电路。对于不需要超高精度但要求可靠性与环境适配性的场景,是理想的选型方案。

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