WMSIC Electronic Components

UniOhm 0402WGF4322TCE

Model0402WGF4322TCE
Package0402
BrandUNIOHM
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 Ohm 0402WGF4322TCE
Type
UNIOHM
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
UNIOHM
Electronic Component
0402WGF4322TCE
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
43.2kΩ
Electronic Component
50
Electronic Component
BM0263481246
Operating Temperature
55℃~+155℃
Operating Voltage
50V
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.

0402WGF4322TCE 产品概述 — UniOhm(台湾厚声)0402 厚膜精密电阻 43.2kΩ ±1%

一、主要性能参数

  • 品牌:UniOhm(台湾厚声)
  • 型号:0402WGF4322TCE
  • 封装:0402(1.0 mm × 0.5 mm,典型)
  • 电阻类型:厚膜电阻
  • 阻值:43.2 kΩ
  • 精度:±1%(线性精度,常温标称值)
  • 功率额定:62.5 mW(0402 封装典型额定功率)
  • 工作电压:50 V(最大工作电压)
  • 温度系数(TCR):±100 ppm/°C
  • 工作温度范围:-55 °C ~ +155 °C

二、产品特点

  • 小尺寸高密度:0402 封装适合高密度 PCB 布局与轻量化便携式产品,节省空间。
  • 精度可靠:±1% 精度满足多数模拟电路中的分压、偏置与滤波等场景,对成本与性能有良好平衡。
  • 中等温漂:±100 ppm/°C 的温度系数表明器件在温度变化时具有中等稳定性,适合一般工业、消费电子与通信终端。
  • 合理的功率能力:62.5 mW 的功率额定值适用于低至中等功率消耗的信号级电路。
  • 宽温度适应性:-55 °C 至 +155 °C 的工作温度覆盖工业级和部分高温场景,适用于汽车电子(在非关键安全回路时)、工业控制等领域(请结合认证与应用要求评估)。
  • 制造与品质:来自 UniOhm(台湾厚声)厂家的厚膜工艺,产品一致性与批次稳定性良好,适合批量生产与自动化贴装。

三、典型应用场景

  • 精密分压与参考网络:用于电源监测、AD/DA 前端的分压和阻值调整场景。
  • 传感器信号处理:作为偏置、上拉/下拉或滤波阻值,配合运放、ADC 等使用。
  • 便携式与消费电子:体积受限场合的阻值需求,如智能穿戴、移动终端、蓝牙/IoT 芯片外围电路。
  • 工业与通信设备:在非高功率环境下的去耦、偏置与电平调整。
  • PCB 高频率限制电路:由于厚膜电阻的寄生特性,适用于直流与低频信号处理,但对高频 RF 路径需评估。

四、设计与使用建议

  • 功率降额:标称 62.5 mW 为常温静态额定功率。实际应用中应考虑 PCB 散热、邻近器件热源与环境温度,必要时进行功率降额设计。常见做法是在高温或高密度板上按厂商降额曲线处理,或保持安全的工作电流/电压余量。
  • 温漂与稳定性:TCR ±100 ppm/°C 适合多数通用应用;若需更高稳定性(例如精密测量),建议考虑金属膜或更低 TCR 的型号。
  • 焊接与贴装:适配常规回流焊工艺,建议遵循无铅回流曲线(J-STD-020)与厂商推荐的峰值温度限制,做好预热与降温控制以减少热应力。0402 尺寸较小,贴装时注意锡量控制与焊盘对位精度。
  • 清洁与化学品:一般的洗板与清洁工艺可接受,但避免长期浸泡强腐蚀性溶剂或高温蒸气清洗,以免影响焊点或外观。
  • PCB 布局建议:在需要较好散热时,适当增大焊盘面积或靠近散热铜箔;若需减少热传导影响,可采用小焊盘并确保器件两端对称布局。
  • 测试与检验:建议在设计验证阶段进行温度循环、功率耐受与焊接可靠性测试,验证在目标应用环境下的长期稳定性。

五、可靠性与环境适应

  • 工作温度范围宽,可在工业级温区内长期使用。
  • 厚膜构造对机械振动及热循环具备良好耐受性,但由于0402体积小,对焊接热冲击与机械碰撞较敏感,需在装配与运输中加强防护。
  • 建议在产品资料或样品评估阶段查看厂商提供的寿命试验、湿热试验及温度循环数据,以满足特定行业的可靠性要求。

六、选型与采购建议

  • 若对温漂与长时间稳定性有更高要求,可比较 UniOhm 的金属薄膜或更高精度系列。
  • 订购时注意确认包装形式(卷带/盘带)、批次一致性及可供货期。0402 常用为卷盘包装,便于自动化贴装。
  • 在量产前建议索取样品并在目标 PCB 与环境下完成可靠性验证。

总结:0402WGF4322TCE 是一款面向高密度电路和常规精度需求的厚膜电阻,43.2 kΩ、±1% 精度与 ±100 ppm/°C 的温漂,使其在消费电子、工业控制及传感器前端等领域具备良好应用价值。合理的电路设计与焊接工艺可确保其在目标产品中的长期稳定运行。若需要更严格的温度稳定性或更高功率能力,请在选型阶段咨询厂商或考虑替代系列。

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