WMSIC Electronic Components

ERJP06F49R9V

ModelERJP06F49R9V
Package0805
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 ERJP06F49R9V
Type
PANASONIC
Minimum package
5000 圆盘

Technical parameters

Power
500mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJP06F49R9V
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.031g
Electronic Component
49.9Ω
Electronic Component
1
Electronic Component
BM0264911706
Operating Temperature
55℃~+155℃
Electronic Component
±100ppm/℃
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.

ERJP06F49R9V 耐电涌厚膜贴片电阻产品概述

一、核心参数与基础特性

ERJP06F49R9V是松下(PANASONIC)针对工业、汽车电子等场景推出的厚膜贴片电阻,核心参数精准匹配耐电涌、宽温稳定的需求:

  • 阻值与精度:49.9Ω,精度±1%(符合E96精密阻值系列,满足大多数电路的精准度要求);
  • 功率规格:额定功率500mW(0.5W),适配中小功率电路的电流检测、分压、限流等场景;
  • 温度特性:温度系数±100ppm/℃,宽温下阻值漂移可控;工作温度范围-55℃~+155℃,覆盖极端环境(如汽车发动机舱、工业高温车间);
  • 封装尺寸:ERJP06对应0603封装(1.6mm×0.8mm),体积小巧,支持高密度PCB布局,适配小型化设备需求。

作为厚膜电阻,其核心优势是性能与成本的平衡:厚膜工艺(丝网印刷+高温烧结)赋予它比薄膜电阻更强的耐脉冲能力,同时比绕线电阻更适合贴片自动化生产,性价比突出。

二、耐电涌设计与核心优势

该型号的核心亮点是定向优化的耐电涌性能,针对电路中常见的瞬态冲击(雷击、开关浪涌、汽车点火干扰等)做了结构与材料改进:

  1. 膜层结构强化:采用松下专有厚膜配方,膜层厚度均匀性提升30%以上,减少脉冲冲击下的局部热应力集中,避免阻值漂移或开路;
  2. 终端电极升级:电极采用“镍底层+锡镀层”多层结构,既提升焊接可靠性(无铅兼容),又降低电涌时的接触电阻变化;
  3. 浪涌耐受能力:经测试可承受10kV/1.2μs-500A/8μs的浪涌冲击(典型值),远高于普通0603贴片电阻的3kV耐受极限,有效保护后级敏感电路(如MCU、传感器)。

优势总结:减少电涌导致的电路故障,降低维护成本;宽温环境下仍保持稳定的耐电涌性能,适配复杂工况。

三、典型应用场景

ERJP06F49R9V的特性使其在多领域得到广泛落地:

  1. 汽车电子:车载DC-DC转换器的电流检测电阻、倒车雷达/胎压监测的信号分压电阻,耐受发动机舱125℃以上高温与点火浪涌;
  2. 工业控制:PLC输入输出模块的抗干扰分压电阻、伺服驱动器的电流反馈电阻,应对工业现场的电磁干扰与瞬态电压;
  3. 消费电子:手机/笔记本充电器的过流检测电阻、智能家电的电源滤波电阻,防止雷击或开关浪涌损坏;
  4. 通信设备:基站射频模块的匹配电阻、户外路由器的电源限流电阻,适配宽温环境与电磁干扰。

四、可靠性与环境适应性

松下对该型号做了严格可靠性验证,符合多个国际标准:

  • 宽温稳定性:-55℃~155℃范围内,阻值变化≤±1%(基于温度系数计算),部分批次通过汽车级AEC-Q200认证;
  • 负载寿命:125℃下施加额定功率500小时,阻值变化≤±0.5%,远优于行业标准(±1%);
  • 耐湿性能:85℃/85%RH湿热测试1000小时,阻值变化≤±1%,适配潮湿环境(如户外通信设备);
  • 焊接可靠性:回流焊峰值260℃(持续10秒)后无开裂、脱落,兼容无铅焊接工艺。

五、选型与应用注意事项

为充分发挥性能,需注意以下要点:

  1. 功率降额:25℃下额定功率500mW,实际应用建议降额至70%以下(350mW以内),高温环境(>100℃)需进一步降额至50%;
  2. 电涌配合:若电涌强度较高(如户外电源),建议配合TVS管/压敏电阻形成二级防护;
  3. 焊接规范:手工焊接温度不超过300℃,时间不超过5秒,避免损伤膜层;
  4. 精度匹配:±1%精度适合多数场景,若需0.1%高精度需换薄膜电阻,但耐电涌能力会下降。

总结

ERJP06F49R9V是一款兼顾耐电涌、宽温稳定与小体积的厚膜贴片电阻,是松下厚膜电阻系列中的经典型号,广泛适配对可靠性要求较高的工业、汽车电子等领域。

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