WMSIC Electronic Components

UNI-ROYAL 0402WGF1301TCE

Model0402WGF1301TCE
Package0402
BrandUNI-ROYAL
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-ROYAL 0402WGF1301TCE
Type
UNI-ROYAL
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
UNI-ROYAL
Electronic Component
0402WGF1301TCE
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.009g
Electronic Component
1.3kΩ
Electronic Component
10
Electronic Component
BM0263477405
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.

0402WGF1301TCE 厚膜贴片电阻产品概述

0402WGF1301TCE是UNI-ROYAL(厚声)针对小型化、低功耗电路推出的一款0402封装厚膜贴片电阻,凭借±1%精度、宽温工作范围及可靠的厚膜工艺,成为消费电子、小型工业设备等领域的常用选型。以下从核心参数、特性、应用及选型注意事项展开详细说明。

一、核心参数详解

该电阻的关键参数均经过严格校准,具体如下:

  • 阻值与精度:额定阻值1.3kΩ,精度±1%,满足大多数信号调理、分压电路的精度需求;
  • 功率与电压:额定功率62.5mW,工作电压上限50V,适合低功耗电路的限流、反馈等应用;
  • 温度特性:温度系数±100ppm/℃,工作温度范围-55℃~+155℃,覆盖工业级高低温场景;
  • 封装与品牌:采用0402英制封装(公制1005),由国内知名电阻厂商厚声(UNI-ROYAL)生产,品质一致性可靠。

需注意:温度系数±100ppm/℃意味着在-55℃至155℃的极限温差下,阻值最大变化为1.3kΩ×210℃×100×10⁻⁶=27.3Ω,叠加±1%精度误差后,实际阻值波动范围约为1262.7Ω~1337.3Ω,设计电路时需预留余量。

二、产品关键特性

  1. 厚膜工艺优势:厚膜电阻通过丝网印刷、烧结工艺制成,相比薄膜电阻成本更低,且抗过载能力更强;在62.5mW额定功率下,短期过载(如1.2倍功率)仍能保持性能稳定,适合存在轻微脉冲干扰的电路;
  2. 小封装高密度:0402封装尺寸仅为1.0mm×0.5mm(长×宽),能显著节省PCB空间,适配智能手机、可穿戴设备等对尺寸要求苛刻的产品;
  3. 宽温可靠性:-55℃+155℃的工作范围远超消费电子级(0℃70℃),可满足工业温湿度变送器、户外小型设备等高低温场景的长期稳定运行;
  4. 精度与功率匹配:±1%精度可覆盖信号调理、滤波、分压等常见应用,62.5mW功率则避免了大功率电阻的体积冗余,适合低功耗电路设计;
  5. 品牌品质保障:厚声作为国内电阻行业头部厂商,该产品经过批量生产验证,批次一致性好,供货周期稳定,适合量产需求。

三、典型应用场景

该电阻因体积小、低功耗、宽温特性,广泛应用于以下领域:

  1. 消费电子:智能手机、平板电脑的传感器接口电路(如加速度传感器偏置电阻、环境光传感器分压电阻)、蓝牙/WiFi模块的射频匹配电路;
  2. 小型工业设备:温湿度变送器、小型PLC的I/O接口电阻、工业级传感器信号调理电路;
  3. 可穿戴设备:智能手环、手表的心率传感器偏置电阻、低功耗电源管理电路的反馈电阻;
  4. 通信模块:物联网(IoT)终端的低功耗通信电路、4G/5G小基站的辅助电阻;
  5. 电源管理:小功率DC-DC转换器的限流电阻、线性稳压器的输出分压电阻。

四、选型与使用注意事项

  1. 功率降额:为保障长期可靠性,建议实际功耗控制在额定功率的70%以下(即≤43.75mW),避免因过热导致阻值漂移;
  2. 电压与脉冲验证:50V为直流额定电压,若电路存在脉冲电压,需参考厚声官方手册的脉冲降额曲线,避免超过脉冲电压上限;
  3. 焊盘设计适配:0402封装需匹配符合IPC-7351标准的焊盘(推荐尺寸:长0.4mm×宽0.5mm),避免焊盘过大导致焊接后电阻移位,或过小导致虚焊;
  4. 温漂补偿:若电路对阻值精度要求较高(如精密测量电路),需在软件或硬件端预留温漂补偿机制,抵消±100ppm/℃的温漂影响;
  5. 批次一致性确认:批量采购前,建议抽样测试不同批次的阻值、温漂等参数,确保与设计需求一致。

综上,0402WGF1301TCE以其平衡的精度、功率、体积及宽温特性,成为小功率电路设计的高性价比选型,适合对成本敏感且需可靠性能的应用场景。

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