WMSIC Electronic Components

ERJPB3B1201V

ModelERJPB3B1201V
Package0603
BrandPANASONIC
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
PANASONIC ERJPB3B1201V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
200mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJPB3B1201V
Electronic Component
1
Package
0603
Electronic Component
SMD Resistor
Electronic Component
±0.1%
Electronic Component
0.03g
Electronic Component
1.2kΩ
Electronic Component
1
Electronic Component
BM0264481548
Operating Temperature
55℃~+155℃
Electronic Component
±50ppm/℃
Resistor Type
Resistor
Electronic Component
Electronic Component

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

松下ERJPB3B1201V厚膜贴片电阻产品概述

一、产品核心定位与设计初衷

松下ERJPB3B1201V是一款针对高精度、宽温域、中小功率场景优化的厚膜贴片电阻,属于松下ERJPB系列的常规规格型号。其设计核心是平衡“精度可靠性”与“成本实用性”——既满足工业级应用对参数稳定性的要求,又适配消费电子、通信等领域的高密度贴装需求,是替代部分薄膜电阻的高性价比选择。

二、关键技术参数深度解析

该电阻的核心参数可支撑多数精密电路的设计需求,具体解析如下:

  1. 阻值与精度:标准阻值1.2kΩ(代码“1201”,即120×10¹=1200Ω),精度±0.1%——常温下实际阻值偏差≤1.2Ω(1.2kΩ×0.1%),远高于普通电阻(如1%、0.5%精度),可避免因阻值误差导致的信号失真或控制精度下降。
  2. 功率与封装匹配:额定功率200mW,适配0603封装(英制0.06×0.03英寸,公制1608)——该功率是0603封装厚膜电阻的常规额定值,可满足多数中小功率电路(如信号放大、分压电路)的功耗需求;若环境温度≤125℃,功率降额系数约0.8,仍可稳定工作。
  3. 温度系数(TCR):±50ppm/℃——温度每变化1℃,阻值变化量为标称值的50×10⁻⁶。以1.2kΩ为例,温差210℃(-55℃~155℃)时,阻值最大变化12.6Ω,温漂控制在较低水平,适合对温度稳定性要求较高的场景。
  4. 工作温度范围:-55℃~+155℃——覆盖工业级宽温域,可适应户外低温(如北方基站)、高温环境(如汽车发动机舱附近电路),长期工作无参数漂移或失效风险。

三、封装与工艺特性优势

  1. 0603贴片封装:尺寸小(1.6mm×0.8mm×0.45mm,典型值),适配高密度PCB布局(如智能手机、路由器多层板);表面贴装工艺适配自动化生产线,无引线寄生电感/电容,信号完整性更好。
  2. 厚膜工艺特点:采用松下成熟的厚膜印刷技术,电阻膜层均匀性好,长期稳定性优于普通碳膜电阻;同时,厚膜工艺成本低于薄膜电阻,可降低终端产品BOM成本。
  3. 封装防护性:陶瓷基板+环氧树脂封装,耐湿性(符合IEC 60068-2-67标准)、抗振动(10g~2000Hz)性能优异,可适应运输、使用中的机械应力。

四、典型应用场景梳理

该电阻因参数适配性强,广泛应用于以下领域:

  1. 通信设备:基站射频电路的信号分压、滤波器匹配电阻(高精度保证信号传输一致性);路由器、交换机的电源监控电路(宽温适应户外机柜环境)。
  2. 工业控制:PLC模拟量输入调理电路(0.1%精度保证传感器信号转换准确);伺服电机驱动的电流采样电阻(200mW功率满足采样需求)。
  3. 消费电子:高端Hi-Fi耳机放大器的增益调整电阻(低TCR保证音质无温度失真);智能手表电源管理电路(0603封装适配小尺寸PCB)。
  4. 汽车电子:辅助驾驶毫米波雷达信号处理电路(宽温适应发动机舱高温);车载触控面板分压电阻(抗振动适配汽车行驶环境)。
  5. 医疗设备:血糖仪、血压计的信号放大电路(高精度保证测量准确);监护仪电极信号调理电阻(宽温适应医院不同环境)。

五、选型注意事项

松下ERJPB3B1201V是“高精度+宽温+小封装”的厚膜电阻,平衡了性能与成本,但选型需注意:

  • 若TCR要求≤25ppm/℃,需考虑松下薄膜电阻(如ERJ-2RKF系列);
  • 若功率需求超200mW,需选更大封装(如0805封装的同阻值电阻功率500mW);
  • 长期工作温度超155℃时,需降额至额定功率的50%以下。

该产品凭借松下的工艺可靠性与参数适配性,成为众多精密电路的优选电阻之一。

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