WMSIC Electronic Components

RALEC RTT05472JTP

ModelRTT05472JTP
Package0805
BrandRALEC
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
RALEC RTT05472JTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT05472JTP
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±5%
Electronic Component
0.027g
Electronic Component
4.7kΩ
Electronic Component
1
Electronic Component
BM0265147770
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

RTT05472JTP 厚膜贴片电阻产品概述

RTT05472JTP是台湾旺诠(RALEC)推出的一款通用型厚膜贴片电阻,采用0805标准封装,专为电子电路中基础阻抗匹配、分压限流等需求设计,兼具成本优势与稳定性能,广泛适用于消费电子、工业控制等多个领域。

一、产品基本定位与身份识别

该型号属于旺诠常规精度贴片电阻系列,核心定位为小功率通用型电阻,适配表面贴装技术(SMT)生产流程,可直接集成于各类PCB板。型号编码清晰体现核心参数:

  • “RTT”为旺诠厚膜电阻系列代号;
  • “05”对应0805英制封装(尺寸约2.0mm×1.2mm);
  • “472”代表阻值4.7kΩ(前两位47、第三位2为×10²);
  • “J”表示精度±5%(行业通用精度档位);
  • “TP”为封装及工艺后缀,明确产品工艺特性。

二、核心性能参数详解

RTT05472JTP的参数设计兼顾实用性与通用性,关键指标及应用意义如下:

  • 阻值与精度:4.7kΩ±5%,是电子电路中常用的标准阻值,±5%精度可满足多数非高精度场景(如电源分压、信号衰减),无需额外高精度成本;
  • 功率与耐压:额定功率125mW(1/8W),匹配0805封装的功率容量,可稳定承载小功率电路功耗;最大工作电压150V,在同功率级电阻中属于较高耐压,覆盖12V/24V等中低压直流/交流电路;
  • 温度特性:温度系数±100ppm/℃(温度每变1℃,阻值变约0.01%),属于厚膜电阻常规稳定水平;工作温度范围-55℃~+155℃,覆盖工业级温度需求,极端低温不失效、高温长期稳定;
  • 封装尺寸:0805封装占用PCB面积小,适合高密度集成设计。

三、封装与工艺特点

  • 厚膜工艺优势:采用丝网印刷厚膜电阻浆料于陶瓷基片,经高温烧结成型——相比薄膜电阻成本更低,同时具备较好耐温性与阻值稳定性;陶瓷基片导热性良好,可有效散发电功率损耗;
  • 贴片封装适配性:符合SMT标准,支持自动化贴装、回流焊工艺,生产效率高;焊接可靠性强,减少人工操作误差;表面平整,便于视觉检测与AOI设备识别。

四、典型应用场景

结合参数特性,该电阻广泛应用于以下场景:

  • 消费电子:手机/平板的电源分压电路、智能电视的音频信号衰减电路;
  • 工业控制:小型PLC的输入输出接口限流、传感器信号放大电路;
  • 通信设备:路由器/交换机的电源滤波网络(RC滤波)、以太网接口阻抗匹配;
  • 小家电:电磁炉/电饭煲的电压检测分压、LED驱动电路限流;
  • 汽车电子(非关键场景):车载点烟器适配器电源电路、车内氛围灯驱动(宽温特性适配车载环境)。

五、可靠性与环境适应性

旺诠对该产品可靠性做了多维度优化:

  • 宽温稳定性:-55℃~+155℃范围,适应北方户外低温、烤箱内高温等极端环境;
  • 抗漂移能力:厚膜工艺确保长期使用阻值漂移率低,符合IEC 60115国际标准;
  • 耐候性:贴片封装气密性好,抵抗厨房/卫生间潮湿环境、弱腐蚀性场景;
  • 过功率耐受性:短时间1.2倍额定功率下仍能保持性能,降低电路故障风险。

六、品牌与质量保障

  • 品牌背景:RALEC(旺诠)成立于1976年,台湾知名被动元件制造商,产品符合RoHS、REACH环保标准,远销全球;
  • 质量管控:出厂全检阻值、功率、耐压等参数,批量一致性好;
  • 供应保障:稳定产能满足批量采购,交货周期短。

总结:RTT05472JTP作为高性价比厚膜贴片电阻,凭借0805封装紧凑性、±5%精度实用性、宽温适应性,成为消费电子、工业控制等领域的理想选择,平衡性能与成本需求。

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