WMSIC Electronic Components

Walsin WR12X203JTL

ModelWR12X203JTL
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
(Walsin) WR12X203JTL
Type
WALSIN
Minimum package
5000 圆盘

Technical parameters

Power
250mW
Electronic Component
Electronic Component
Electronic Component
(WALSIN)
Electronic Component
WR12X203JTL
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.044g
Electronic Component
20kΩ
Electronic Component
1
Electronic Component
BM0265431508
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.

WR12X203JTL厚膜片式电阻产品概述

一、产品核心身份与定位

WR12X203JTL是华新科(Walsin) 推出的一款1206封装厚膜片式电阻,属于通用型功率电阻范畴。其设计定位为兼顾小体积、稳定性能与成本优势,适配表面贴装(SMT)自动化生产,广泛应用于消费电子、工业控制等多领域的信号调理、分压、滤波等电路场景。作为厚膜电阻类型,其通过丝网印刷+高温烧结工艺制备,兼具耐湿性、抗浪涌能力与参数一致性,是中低端电子设备电阻选型的常规选项。

二、关键技术参数解析

WR12X203JTL的核心参数明确了其性能边界与适用范围,关键参数及实际意义如下:

  • 阻值与精度:标称阻值20kΩ(型号中“203”表示20×10³Ω),精度±5%(标识“J”对应5%精度等级),满足大多数通用电路对阻值偏差的要求,无需额外高精度筛选,适配批量生产需求。
  • 功率与电压:额定功率250mW(1/4W),最大工作电压200V。功率参数决定电路允许的最大功耗(P=I²R),20kΩ阻值下允许最大电流约3.5mA,适配小信号电路;200V电压阈值可覆盖中等电压场景(如电源分压、信号衰减),避免过压损坏。
  • 温度特性:温度系数±100ppm/℃,即每升高1℃,阻值变化约2Ω(20kΩ×100×10⁻⁶),温度稳定性优于普通碳膜电阻;工作温度范围-55℃~+155℃,覆盖工业级高低温环境(如车载、户外设备),适用场景更广。

三、封装与物理特性

WR12X203JTL采用1206英制封装,对应公制尺寸为3.2mm×1.6mm×0.5mm(典型值),属于小型化表面贴装封装,核心优势体现在:

  • 贴装适配性:完美适配自动化SMT生产线,生产效率高,可实现大规模批量生产;
  • 空间利用率:相比传统插件电阻,体积缩小约80%,有效节省设备内部空间,助力智能手机、小型路由器等产品的小型化设计;
  • 结构可靠性:陶瓷基底+金属膜层的厚膜结构,抗机械应力能力较强,可承受焊接过程中的热冲击,降低虚焊风险。

四、典型应用场景

结合参数特性,WR12X203JTL适用于以下高频场景:

  1. 消费电子:手机、平板的电源管理模块(分压检测电池电压)、音频信号衰减电路(如耳机接口滤波);
  2. 工业控制:PLC(可编程逻辑控制器)的模拟量输入接口(信号调理)、温度传感器的输出分压电路;
  3. 汽车电子:车载显示屏背光控制电路(分压调节亮度)、胎压传感器的信号滤波(抗干扰);
  4. 通信设备:小型基站、Wi-Fi路由器的射频信号滤波网络、电源模块的过流保护分压电路。

其核心优势在于:参数覆盖广、成本可控、适配自动化生产,可满足批量电子设备的电阻选型需求,无需额外定制化设计。

五、品牌背书与可靠性保障

华新科作为全球知名被动元件制造商,WR12X203JTL的可靠性有多重保障:

  • 工艺管控:厚膜电阻采用标准化烧结工艺,批量生产参数一致性好(偏差≤精度要求),避免同批次性能差异;
  • 环保合规:符合RoHS 2.0、REACH等全球环保标准,无铅无镉,适配欧洲、北美等市场;
  • 可靠性测试:通过高温老化(155℃×1000h)、湿度循环(85℃/85%RH×500h)、焊接热冲击等测试,确保在工作温度范围内性能稳定,故障率低。

综上,WR12X203JTL是一款性能均衡、适配性强的通用厚膜片式电阻,可满足多领域电子设备的基础电阻需求,是批量生产场景下的高性价比选择。

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