WMSIC Electronic Components

TA-I RM04JTN362

ModelRM04JTN362
Package0402
BrandElectronic Component
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RM04JTN362
Type
TA-I Technology
Minimum package
10000 圆盘

Technical parameters

Power
62.5mW
Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RM04JTN362
Electronic Component
1
Package
0402
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.009g
Electronic Component
3.6kΩ
Electronic Component
50
Electronic Component
BM0264899860
Operating Temperature
55℃~+155℃
Operating Voltage
50V
Electronic Component
±200ppm/℃
Resistor Type
Resistor

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

RM04JTN362 贴片厚膜电阻产品概述

一、产品定位与核心特性

RM04JTN362是大毅科技推出的0402封装通用型厚膜贴片电阻,针对小体积、高密度贴装需求设计,兼顾成本与性能稳定性,适用于消费电子、工业辅助电路等多场景。核心特性包括:

  1. 小封装高功率密度:0402(1005公制)封装下实现62.5mW额定功率,满足便携式设备的微型化需求;
  2. 宽温区阻值稳定:-55℃至+155℃范围内,温度系数控制在±200ppm/℃,极端环境下性能可靠;
  3. 通用精度与阻值:±5%精度(J档)、3.6kΩ(362代码)阻值,覆盖多数小信号电路的基础需求;
  4. 厚膜工艺优势:采用丝网印刷+高温烧结工艺,抗硫化、耐磨损,批量一致性优于同成本区间的薄膜电阻。

二、关键技术参数解析

RM04JTN362的核心参数经过严格测试,符合行业标准,具体解析如下:

  • 阻值与精度:标称阻值3.6kΩ(362代码,前两位为有效数字36,第三位为倍率10²),精度±5%(J标识),无需额外校准即可满足通用电路的阻值匹配;
  • 额定功率:62.5mW(0.0625W),为0402封装的常规额定功率,实际应用需遵循功率降额原则(建议不超过额定功率的70%),避免长期过载;
  • 工作电压:额定最大电压50V,但需结合功率限制:实际工作时,电压需满足( V \leq \sqrt{P_{额定} \times R} \approx 15V ),或功率( P \leq 62.5mW ),两者取较小值;
  • 温度系数(TCR):±200ppm/℃,即温度每变化1℃,阻值变化0.02%。以工作温区210℃(155℃-(-55℃))计算,总阻值漂移约±4.2%,叠加±5%精度,实际变化范围在±9.2%以内;
  • 工作温度范围:-55℃至+155℃,覆盖工业级(-40℃至+85℃)及部分高温消费电子场景(如车载辅助电路)。

三、封装与工艺优势

RM04JTN362采用0402封装(英制0.04×0.02英寸,公制1.0×0.5mm),具有以下优势:

  1. 高密度贴装:适合PCB板小型化设计,单位面积可贴装更多电阻,提升电路集成度;
  2. 厚膜工艺可靠性:大毅科技优化的厚膜浆料配方,烧结后膜层致密,抗硫化性能优于普通薄膜电阻,避免高湿度环境下的阻值漂移;
  3. 焊接兼容性:符合IPC-J-STD-020标准,回流焊峰值温度260±5℃(时间≤10秒),波峰焊温度245±5℃(时间≤5秒),兼容主流SMT工艺;
  4. 无引线设计:避免引线寄生电感/电容,适合≤100MHz的高频小信号电路。

四、典型应用场景

RM04JTN362的参数特性使其适用于以下场景:

  1. 便携式电子:智能手机、智能手环的小信号调理(上拉/下拉电阻、滤波分压);
  2. 工业辅助电路:PLC输入输出口限流电阻、传感器信号放大电路反馈电阻(温度/压力传感器);
  3. 数字电路:MCU/FPGA的I/O口上拉电阻(3.3V/5V系统)、逻辑门分压电阻;
  4. 电源滤波:小功率DC-DC转换器输出滤波电阻(如12V转5V辅助滤波);
  5. 汽车电子辅助模块:车载音响小信号处理、仪表盘背光限流电阻(工作温区满足车载环境)。

五、可靠性与环境适应性

RM04JTN362经过多项可靠性测试,符合行业标准:

  1. 负载寿命:125℃、额定功率下持续1000小时,阻值变化≤1%;
  2. 温度循环:-55℃(30分钟)→+155℃(30分钟)循环100次,阻值漂移≤2%;
  3. 耐湿试验:85℃、85%RH环境下持续1000小时,阻值变化≤2%;
  4. 振动试验:符合MIL-STD-202标准(10-2000Hz,2g加速度),无开路/短路故障。

六、选型与应用注意事项

为确保电路可靠性,应用时需注意:

  1. 功率降额:长期工作功率建议≤31.25mW(额定功率的50%),延长寿命;
  2. 电压限制:实际电压需≤15V(功率限制下的最大电压),避免过载;
  3. 焊接工艺:避免焊接温度过高/时间过长,防止电阻膜层损坏;
  4. 储存条件:未开封产品储存在25℃±5℃、湿度≤60%环境,开封后12个月内使用;
  5. 精度匹配:若需±1%精度,需选择F档(非J档),RM04JTN362仅适用于通用精度需求。

RM04JTN362以高性价比、宽温稳定、小体积等优势,成为消费电子、工业、汽车电子领域的常用选型,适合批量生产中的成本控制与性能平衡需求。

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