WMSIC Electronic Components

BOURNS CR0402-JW-103GLF

ModelCR0402-JW-103GLF
Package0402
BrandBOURNS
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 Option 61322

Availability on request

Technical data

Product details

20 specifications

Core information

Product name
BOURNS CR0402-JW-103GLF
Type
BOURNS
Unit
Electronic Component
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
CR0402-JW-103GLF
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.01g
Electronic Component
10kΩ
Electronic Component
1
Electronic Component
BM0265795177
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±200ppm/℃

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

CR0402-JW-103GLF 厚膜贴片电阻产品概述

一、核心身份与品牌背景

CR0402-JW-103GLF是BOURNS(伯恩斯) 推出的一款厚膜贴片电阻,属于该品牌常规工业级/汽车级电阻产品线。型号中:

  • “CR0402”明确封装规格(0402英制);
  • “JW”对应精度等级;
  • “103”为阻值标识(10×10³Ω=10kΩ);
  • “GLF”为产品系列代码。

BOURNS作为全球被动元件领域的老牌厂商,在电阻、电感等产品上拥有数十年技术积累,其产品以可靠性高、一致性好著称,符合RoHS、REACH等国际环保标准,是消费电子、工业控制、汽车电子等领域的主流供应商之一。

二、关键电气性能参数详解

该电阻的核心参数精准匹配常规应用需求,具体如下:

  • 阻值与精度:标称阻值10kΩ,精度±5%,满足大多数消费电子、工业电路的误差要求(无需高精度薄膜电阻的场景可有效控制成本);
  • 功率额定值:62.5mW(即1/16W),对应0402封装的典型功率规格,适用于小电流、低功耗电路;
  • 工作电压限制:最大工作电压50V,需严格控制电路电压不超过该值,避免击穿或性能衰减;
  • 温度系数(TCR):±200ppm/℃,表示温度每变化1℃,阻值变化±0.02%,在宽温环境下能保持相对稳定的电气特性;
  • 工作温度范围:-55℃至+155℃,覆盖汽车电子(如车载系统)、工业控制(如户外传感器)等严苛环境的温度需求。

三、封装与物理特性

CR0402-JW-103GLF采用0402封装(英制命名,对应公制1005,即长1.0mm×宽0.5mm),属于小型化贴片封装,具备以下特点:

  • 高密度设计:体积仅为常规插件电阻的1/10左右,可大幅节省PCB板空间,适合智能手机、小型通信设备等对尺寸要求严格的产品;
  • 厚膜工艺:采用厚膜电阻技术,相比薄膜电阻成本更低,且功率承载能力略高,适合常规电路应用(无需超高温、超精密场景);
  • 贴片式结构:SMD封装兼容自动化贴片生产,焊接可靠性高,可通过回流焊、波峰焊等工艺实现批量制造。

四、典型应用场景

结合其电气参数与封装特性,该电阻主要应用于以下领域:

  1. 消费电子:智能手机、平板电脑、智能穿戴设备的信号调理电路、电源偏置电路(利用小型化优势节省空间);
  2. 工业控制:PLC模块、传感器接口电路、电机驱动辅助电路(宽温-55~+155℃适应工业现场环境);
  3. 汽车电子:车载信息娱乐系统(IVI)、车身控制单元(BCM)、胎压监测系统(TPMS)的辅助电路(符合汽车级宽温要求);
  4. 通信设备:小型基站、路由器、交换机的射频电路偏置、滤波网络(高密度封装适配设备小型化趋势);
  5. 电源管理:DC-DC转换器反馈网络、线性稳压器分压电路(10kΩ为常用阻值,功率满足低功耗需求)。

五、性能优势与可靠性分析

  1. 宽温适应性强:-55~+155℃的工作范围可覆盖绝大多数应用场景,无需额外温控措施即可稳定工作;
  2. 成本效益突出:厚膜工艺与0402封装平衡了性能与成本,相比高精度薄膜电阻降低了BOM成本;
  3. 品牌可靠性保障:BOURNS的厚膜电阻经过严格的可靠性测试(如温度循环、湿度老化、振动测试),故障率低,适合长期稳定运行的设备;
  4. 电气一致性好:±5%精度与±200ppm/℃温漂确保批量产品的阻值一致性,减少电路调试难度。

六、使用注意事项

为保证产品性能与使用寿命,需注意以下几点:

  1. 功率降额:62.5mW为额定功率,实际应用中建议环境温度超过70℃时,按50%降额使用(即实际功率不超过31.25mW),避免过热损坏;
  2. 电压限制:电路工作电压不得超过50V,若需更高电压,需并联或串联电阻分压;
  3. 温漂评估:若应用场景温度变化较大(如从-40℃到+120℃),阻值变化量约为±32Ω(10kΩ×160℃×200ppm),需评估是否影响电路功能;
  4. 焊接工艺:采用回流焊时,需遵循BOURNS推荐的温度曲线(如峰值温度245℃±5℃,时间不超过10秒),避免封装损坏。

综上,CR0402-JW-103GLF是一款高性价比的通用厚膜贴片电阻,兼具小型化、宽温适应性与成本优势,可满足多领域的常规电路需求。

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