WMSIC Electronic Components

ERJPA2F3300X

ModelERJPA2F3300X
Package0402
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 ERJPA2F3300X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
200mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJPA2F3300X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
330Ω
Electronic Component
1
Electronic Component
BM0264570367
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.

ERJPA2F3300X 厚膜贴片电阻产品概述

一、产品定位与核心属性

ERJPA2F3300X是PANASONIC(松下) 推出的0402封装厚膜贴片电阻,属于通用型高精度小功率被动元件,专为高密度电路设计需求打造。产品继承松下厚膜电阻的工艺积累,平衡了精度、温漂、体积与成本,覆盖消费电子、工业控制等多领域的信号调理、分压滤波等场景,是小型化设备中稳定可靠的核心被动元件之一。

二、关键技术参数详解

该产品的核心参数围绕“高精度、宽温范围、小体积”设计,具体如下:

1. 阻值与精度

标称阻值330Ω,精度等级**±1%** —— 该精度可满足大多数信号电路对阻值稳定性的要求,例如在模拟信号分压电路中,±1%偏差能将输出电压误差控制在0.1%以内,避免因阻值波动导致的信号失真或功率分配不均。

2. 功率与电压限制

  • 额定功率:200mW(0.2W)(25℃环境下长期稳定工作的功率上限);
  • 最大工作电压:50V(无论功率大小,电阻两端允许施加的最高电压)。
    需注意:当电压超过额定功率对应的电压(√(0.2×330)≈8.2V)时,需以50V电压限制为准,避免击穿风险。

3. 温度系数(TC)

±100ppm/℃ —— 温度系数反映阻值随温度变化的速率,1ppm/℃表示每升高1℃,阻值变化百万分之一。对于330Ω电阻,每1℃温变对应阻值变化±0.033Ω;在-55℃~+155℃的宽温范围内,总阻值变化可控制在±0.66Ω以内,有效降低温变对电路性能的影响。

4. 工作温度范围

-55℃~+155℃ —— 覆盖工业级与部分汽车电子的环境温度需求,可在极端低温(如北方户外设备)或高温(如靠近热源的设备内部)场景下稳定工作。

三、设计特点与优势

ERJPA2F3300X依托松下厚膜工艺与封装优化,具备以下核心优势:

1. 厚膜工艺可靠性

采用厚膜丝网印刷+高温烧结工艺,电阻膜层附着力强、稳定性高,长期使用中阻值漂移≤0.5%/1000小时(125℃环境);同时具备较好的抗硫化性能,可减少潮湿、污染环境下的性能衰减。

2. 小封装高密度适配

0402封装(公制1005,尺寸1.0mm×0.5mm×0.35mm),相比0603封装体积缩小约60%,可显著提升PCB布线密度,适配智能手机、可穿戴设备等小型化产品的设计需求。

3. 焊接与环境兼容性

端电极采用松下优化的镍底+锡表层多层结构,符合RoHS无铅标准,可兼容无铅回流焊(峰值温度260℃,持续时间≤10秒);耐振动(10~2000Hz,1.5g加速度)、耐潮湿(85%RH,40℃)性能优异,满足户外或移动设备的可靠性要求。

4. 成本与性能平衡

在实现±1%高精度、±100ppm/℃低湿漂的同时,厚膜工艺控制了制造成本,相比薄膜电阻更具性价比,适合大规模量产应用。

四、典型应用场景

结合参数特点,ERJPA2F3300X主要应用于以下场景:

1. 消费电子领域

  • 智能手机/手表:麦克风前置放大分压、传感器信号滤波电路;
  • 蓝牙耳机:充电管理辅助分压、音频信号调理;
  • 便携式充电设备:电压检测分压、过流保护限流。

2. 工业控制领域

  • 小型PLC:IO接口输入信号限流、输出信号分压;
  • 工业传感器节点:温度/压力传感器输出信号的比例调整;
  • 小型电机驱动:控制电路的反馈分压。

3. 小型医疗设备

  • 血糖仪/血压计:测量值校准分压、模拟信号放大比例调整;
  • 家用健康设备:传感器信号滤波与调理。

4. 汽车电子辅助场景

  • 车载仪表盘:LED指示灯亮度调节分压;
  • 车载USB充电:过压保护辅助电路(需结合AEC-Q200认证验证,宽温范围可适配部分车载场景)。

五、可靠性验证

松下对ERJPA系列电阻进行了严格的可靠性测试,验证结果如下:

  • 长期老化:125℃、50%RH环境下1000小时,阻值漂移≤0.5%;
  • 耐振动:10~2000Hz、1.5g加速度测试后,无开路或性能衰减;
  • 回流焊兼容性:可承受≥3次无铅回流焊循环,焊接后无虚焊、脱落问题。

总结

ERJPA2F3300X作为松下厚膜贴片电阻的代表性产品,以小体积、高精度、宽温范围、高可靠性为核心竞争力,完美适配高密度电路设计需求,是消费电子、工业控制等领域中稳定可靠的被动元件选择。其平衡的性能与成本,使其在大规模量产应用中具备显著优势。

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