WMSIC Electronic Components

ERJ2RKF1583X

ModelERJ2RKF1583X
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 ERJ2RKF1583X
Type
PANASONIC
Minimum package
10000 圆盘

Technical parameters

Power
100mW
Electronic Component
Electronic Component
Electronic Component
PANASONIC
Electronic Component
ERJ2RKF1583X
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.011g
Electronic Component
158kΩ
Electronic Component
1
Electronic Component
BM0257349564
Operating Temperature
55℃~+155℃
Operating Voltage
100V
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.

松下ERJ2RKF1583X厚膜贴片电阻产品概述

一、产品核心身份定位

ERJ2RKF1583X是松下(PANASONIC)推出的通用型厚膜贴片电阻,属于其经典ERJ系列,专为小型化、高可靠性电路设计。型号中“1583”对应标称阻值158kΩ(158×10³Ω),“±1%”精度标识明确其性能定位,适配对阻值偏差要求较高的模拟信号处理、低功耗控制等场景。

二、关键电气性能参数详解

1. 阻值与精度

标称阻值为158kΩ,精度等级±1%,实际阻值范围为156.42kΩ~159.58kΩ。该精度满足绝大多数工业控制、消费电子电路的设计需求,可有效避免因阻值偏差导致的信号失真、控制精度不足等问题,无需额外校准即可用于常规模拟电路。

2. 功率与电压额定值

  • 额定功率:100mW(0.1W),是电阻的最大持续功耗,实际使用需确保电路功耗不超过此值(建议降额设计延长寿命);
  • 最大工作电压:100V,结合功率参数计算,最大允许电流为( I = P/V = 100mW/100V = 1mA ),适配低电流、低功耗电路场景。

3. 温度系数(TC)

温度系数为**±100ppm/℃**,表示温度每变化1℃,阻值变化量为( 158kΩ × 100×10^{-6} = ±15.8Ω )。以环境温度变化20℃(如25℃→45℃)为例,阻值变化约±316Ω,满足常规工业环境下的稳定性要求,可稳定工作于高温、低温交替场景。

三、物理封装与结构特点

1. 封装规格

采用0402封装(英制:0.04″×0.02″,公制1005:1.0mm×0.5mm),体积小巧,适合高密度PCB布线,可显著提升电路集成度,适配蓝牙耳机、智能手环等小型化终端设备。

2. 工艺与结构

采用厚膜工艺(丝网印刷+高温烧结),以氧化铝陶瓷为基底,表面印刷电阻浆料并烧结形成电阻层,电极采用可焊性优良的无铅材料(符合RoHS标准)。相比薄膜电阻,厚膜工艺成本更低、抗冲击振动能力更强,兼顾性能与可靠性。

四、环境适应性与可靠性

1. 温度范围

工作温度范围为**-55℃+155℃**,覆盖工业级环境(-40℃85℃)及部分高温场景(如汽车发动机舱附近的低温启动、高温运行环境),可在极端温度下保持电气性能稳定。

2. 可靠性表现

厚膜工艺赋予其良好的抗冲击、抗振动性能,长期使用中阻值漂移小(符合松下质量标准),可满足工业控制模块、车载小功率电路等对可靠性要求较高的场景。

五、典型应用场景

ERJ2RKF1583X因体积小、精度适中、功率匹配,广泛应用于以下场景:

  • 消费电子:蓝牙耳机、智能手环、智能手表的信号调理电路(传感器信号放大、滤波);
  • 工业控制:小型PLC、传感器模块的低功耗分压、限流电路;
  • 汽车电子:车载仪表盘背光控制、低功率传感器信号处理电路;
  • 通信设备:小型基站、无线AP的射频辅助电路(匹配网络、偏置电路)。

六、选型与使用注意事项

  1. 功率降额:建议实际功耗不超过额定功率的70%(即70mW),避免长期过载导致阻值漂移或损坏;
  2. 焊接要求:回流焊峰值温度控制在230℃~240℃,持续时间≤10s;手工焊使用≤350℃恒温烙铁,焊接时间≤3s,避免过热损伤;
  3. 静电防护:高精密电路中需采用ESD防护(接地工作台、防静电镊子);
  4. 电路匹配:串联/并联使用时,需计算各电阻功率分配,确保单个电阻不超额定功率。

该产品凭借松下的工艺优势,在小型化、可靠性与成本间实现平衡,是各类电子设备中低功耗、高精度电阻的优选方案。

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