WMSIC Electronic Components

ERJPA2F33R0X

ModelERJPA2F33R0X
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 ERJPA2F33R0X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
200mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJPA2F33R0X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
33Ω
Electronic Component
1
Electronic Component
BM0257349547
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.

ERJPA2F33R0X 贴片厚膜电阻产品概述

ERJPA2F33R0X是松下电子推出的一款0402封装厚膜贴片电阻,针对小型化、宽温环境下的稳定应用设计,核心参数明确,可靠性突出,广泛适配消费电子、工业控制等多领域电路需求。

一、产品核心身份与应用定位

ERJPA2F33R0X隶属于松下ERJPA系列贴片电阻,采用成熟厚膜工艺制造,属于常规精度(±1%)、中小功率(200mW) 贴片电阻范畴。其设计目标是在紧凑空间内提供稳定的阻值特性,适配两类核心场景:

  • 对体积敏感的便携设备(如智能手机、智能穿戴);
  • 对宽温可靠性要求较高的工业/通信设备(如PLC、路由器)。

二、关键参数解析

1. 阻值与精度

标称阻值33Ω,精度±1%,实际阻值范围为32.67Ω~33.33Ω。该精度在厚膜电阻中属于“实用级”,可满足大多数电路的分压、限流、匹配需求,无需额外高精度器件,平衡了性能与成本。

2. 功率与电压

  • 额定耗散功率:200mW(0.2W);
  • 最大工作电压:50V。
    注意:功率与电压为“或”限制——实际工作时需同时满足:
    电流≤√(P/R)=√(0.2/33)≈78mA(功率不超限),且电压≤33Ω×78mA≈2.57V(电压不超限);若电压达50V,电流需≤200mW/50V=4mA。

3. 温度系数(TCR)

±100ppm/℃,表示每变化1℃,阻值变化为±33Ω×100×10⁻⁶=±0.0033Ω。例如在125℃环境下,阻值偏差约±0.0495Ω,仍处于±1%精度范围内,宽温下性能稳定。

4. 工作温度与封装

  • 工作温度:-55℃~+155℃(工业级标准,覆盖户外/高温车间场景);
  • 封装:0402(英制0.04"×0.02",公制1005:1.0mm×0.5mm),体积小,适配高密度PCB设计。

三、封装与工艺特点

1. 封装优势

  • 体积仅1.0mm×0.5mm×0.3mm(典型厚度),可减少PCB占用面积60%以上(对比0603封装);
  • 端电极采用镍-锡镀层,兼容回流焊/波峰焊,耐260℃回流焊温度10秒以上,焊接可靠性高。

2. 厚膜工艺特性

通过“丝网印刷-高温烧结”制造,相比薄膜电阻:

  • 成本降低30%左右;
  • 抗冲击振动性能更强(厚膜层附着力达10N以上);
  • 松下优化了电阻膜均匀性,离散性比普通厚膜电阻低20%。

四、典型应用场景

1. 消费电子

  • 智能手机/平板:电源滤波分压、音频接口偏置、摄像头模组电流限制;
  • 智能穿戴:智能手表传感器接口、蓝牙模块匹配电路。

2. 工业控制

  • 小型PLC:输入输出接口限流、传感器信号调理(分压/偏置);
  • 工业传感器:温度/压力传感器信号转换电路。

3. 通信设备

  • 路由器/交换机:射频电路50Ω系统匹配、电源模块反馈分压;
  • 基站辅助电路:控制信号限流、状态监测偏置。

4. 车载电子(部分场景)

  • 车载信息娱乐系统:按键电路限流、USB接口保护(适配-40℃~+85℃车载环境)。

五、可靠性与质量保障

松下对该产品的质量控制贯穿全流程:

  1. 环保合规:符合RoHS 2.0、REACH标准,无铅/镉/汞;
  2. 长期稳定性:老化测试后阻值变化≤±0.5%(5年使用周期内性能稳定);
  3. 抗环境测试:湿热(85℃/85%RH,1000小时)后阻值变化≤±1%;振动(10~2000Hz,1g加速度)无开路/短路。

六、选型与使用注意事项

  1. 功率降额:实际工作功率建议≤140mW(70%额定值),避免过热漂移;
  2. 焊接工艺:手工焊温度≤350℃,焊接时间≤3秒;优先回流焊;
  3. 存储条件:未开封产品存储于-10℃~+40℃、湿度≤60%环境,开封后12个月内使用;
  4. 电路设计:若需更高功率,需选择0603/0805等更大封装,避免超参数使用。

ERJPA2F33R0X凭借紧凑封装、宽温稳定、成本可控的特点,成为消费电子、工业控制等领域的高性价比贴片电阻选择,适配多种电路的常规阻值需求。

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