WMSIC Electronic Components

ROHM KTR18EZPJ104

ModelKTR18EZPJ104
Package1206
BrandROHM
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
ROHM KTR18EZPJ104
Type
ROHM
Minimum package
5000

Technical parameters

Power
250mW
Electronic Component
ROHM
Electronic Component
KTR18EZPJ104
Electronic Component
1
Package
1206
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.028g
Electronic Component
100kΩ
Electronic Component
1
Electronic Component
BM0263509569
Operating Temperature
55℃~+155℃
Operating Voltage
500V
Electronic Component
±200ppm/℃
Resistor Type
Resistor
Electronic Component
5000

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

ROHM KTR18EZPJ104厚膜贴片电阻产品概述

一、产品核心定位与基本信息

KTR18EZPJ104是ROHM(罗姆)推出的1206封装厚膜贴片电阻,针对中低精度、中等功率需求的电子电路设计,兼顾成本控制与可靠性,广泛适配消费电子、工业控制等多领域。该型号以100kΩ为标准阻值,±5%精度覆盖多数常规电路的偏差要求,250mW额定功率满足低功耗至中等负载的稳定工作需求,是电子设计中常规电阻的高性价比优选。

二、关键参数与性能优势

1. 阻值与精度

标准阻值为100kΩ(代码标识“104”,即10×10⁴Ω),±5%精度是厚膜电阻的主流规格——无需额外高精度校准即可满足分压、限流、偏置电路等场景的匹配需求,避免因精度冗余导致的成本浪费。批量生产时,罗姆通过严格工艺管控确保阻值一致性(偏差波动≤±0.1%),降低电路设计中的匹配难度。

2. 功率与电压能力

  • 额定功率250mW,支持低功耗电路(如传感器接口)至中等负载(如LED驱动)的稳定工作;
  • 最大工作电压500V,适配高压采样场景(如电源反馈电路),功率余量设计可降低过功率失效风险(实际使用需满足P=V²/R≤0.25W,如100kΩ时最大安全电压为158V,需注意双重限制)。

3. 温度特性与宽温范围

  • 温度系数(TCR)±200ppm/℃:以25℃为基准,在工作温度范围(-55℃~+155℃)内,阻值最大变化为100kΩ×(155-25)×200ppm=2.6kΩ(±),结合±5%精度,总偏差控制在7.6%以内,满足工业级宽温要求;
  • 工作温度覆盖**-55℃至+155℃**,可直接用于汽车电子(-40℃~+125℃)、户外监测等极端环境场景,无需额外温度补偿。

三、封装与工艺特点

1. 1206封装适配性

采用1206英制封装(公制3216,3.2mm×1.6mm),体积紧凑,适配主流SMT生产线,支持高速贴装(每小时可达数万片),降低生产环节的人工与时间成本;同时兼容无铅焊接工艺(RoHS compliant),符合全球环保要求。

2. 厚膜工艺优势

罗姆采用厚膜印刷+高温烧结工艺:

  • 相比薄膜电阻成本降低30%以上,且耐脉冲能力更强(可承受短暂10倍额定功率的脉冲),适合开关电源、传感器接口等存在脉冲负载的电路;
  • 膜层与氧化铝基板结合牢固,抗机械应力性能优异,减少焊接振动导致的失效风险。

四、可靠性与环境适应性

1. 长期稳定性

罗姆对该型号进行高温老化(155℃×1000小时)、湿度循环(85℃/85%RH×500小时) 测试,阻值漂移≤±0.5%,可满足5年以上的稳定工作需求,适合工业设备、汽车电子等对寿命要求高的场景。

2. 抗环境干扰

  • 抗盐雾性能:符合JIS C5016标准(5%NaCl溶液喷雾48小时无腐蚀),适合户外潮湿环境;
  • 抗静电能力:≥2kV(人体模型),避免电路调试中的静电损坏。

五、典型应用领域

  1. 消费电子:智能手机电源管理(限流、分压)、音频电路偏置电阻、智能家居传感器接口;
  2. 工业控制:PLC输入输出接口、温度传感器信号调理、电机驱动辅助电路;
  3. 汽车电子:车载信息娱乐系统背光限流、胎压监测模块偏置;
  4. 电源设备:开关电源反馈分压、低功率LED驱动限流。

六、选型与使用注意事项

  1. 功率降额:125℃时需降额至额定功率的50%,155℃时降额至30%;
  2. 焊接温度:无铅回流焊峰值温度≤260℃,焊接时间≤10秒,避免高温损坏膜层;
  3. 存储条件:常温(25℃±5℃)、湿度≤60%RH,开封后12个月内使用完毕。

KTR18EZPJ104以平衡的成本、稳定的性能与宽适配性,成为电子设计中常规电阻的核心选型之一,尤其适合对精度、功率要求适中,且需宽温可靠性的场景。

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