WMSIC Electronic Components

RALEC RTT050000FTP

ModelRTT050000FTP
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 RTT050000FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT050000FTP
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
0Ω
Electronic Component
1
Electronic Component
BM0265577616
Operating Temperature
55℃~+155℃
Operating Voltage
150V
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.

RALEC旺诠RTT050000FTP 0Ω厚膜贴片电阻产品概述

一、产品核心身份与定位

RTT050000FTP是台湾旺诠电子(RALEC)推出的0805封装厚膜贴片0Ω电阻,属于低功率通用型被动元件。其核心定位是替代传统跳线、跨接线,实现电路中信号/电源的低阻稳定连接,同时兼顾体积小型化、生产适配性与工业级可靠性,广泛适用于消费电子、工业控制、通信设备等领域的常规电路设计。

二、关键参数全解析

该电阻的核心参数直接决定应用边界,具体解析如下:

  • 阻值与精度:标称阻值0Ω,精度±1%。这里的“±1%”并非理论误差,而是对实际寄生电阻(焊接接触电阻、厚膜工艺寄生电阻)的控制范围,确保不同批次产品的低阻一致性,避免电路连接点的额外压降。
  • 功率与功耗:额定功率1/8W(即125mW),是电阻热耗散能力的核心限制——实际热耗由「I²×寄生电阻」决定(需确保≤125mW)。例如寄生电阻≤10mΩ时,最大允许电流约3.5A。
  • 工作电压:额定电压150V,满足绝大多数低压电路(5V、12V、24V系统)的电压需求,避免过压击穿风险。
  • 温度范围:-55℃+155℃,覆盖工业级环境(-40℃+85℃)甚至汽车电子、高温设备等严苛场景,极端温度下性能稳定。
  • 封装规格:0805英制封装(公制2.0mm×1.25mm×0.5mm),适配主流PCB设计与SMT自动化生产,体积仅为传统直插电阻的1/5左右。

三、封装与工艺特性

  1. 0805封装优势:体积紧凑可提升PCB布线密度,表面贴装无需打孔,减少PCB加工成本与工序,适合批量自动化生产。
  2. 厚膜工艺特点:采用厚膜丝网印刷+烧结工艺,相比薄膜电阻成本更低、抗冲击性更强;0Ω电阻的厚膜工艺可有效控制寄生电阻一致性,满足±1%精度要求;厚膜层与陶瓷基底结合牢固,长期使用无阻值漂移。

四、典型应用场景

RTT050000FTP的0Ω特性使其承担“低阻连接”角色,典型应用包括:

  1. 电路跨接:替代跳线,实现PCB不同层、模块间的信号/电源连接(如主板CPU供电跨接、接口模块与主控桥接)。
  2. 测试点设计:调试阶段作为临时测试点,可焊接/拆除调整电路连接(如原型板功能切换点),避免复杂跳线帽。
  3. 接地优化:实现多点接地的单点汇聚,减少接地环路干扰(如音频、高频电路的接地桥接)。
  4. 高频短接:体积小、寄生电感/电容低(远小于直插电阻),适合射频模块匹配网络的低阻短接。
  5. 注意:0Ω电阻不能替代保险丝(无熔断特性),仅用于常规低阻连接。

五、品牌与可靠性保障

旺诠电子(RALEC)专注电阻研发30余年,该产品通过多项认证:

  • 环保认证:符合RoHS2.0、REACH标准,无铅焊接兼容,适配绿色制造。
  • 可靠性测试:经过高温老化、温度循环、振动冲击测试,-55℃~+155℃范围内长期稳定,失效率低。
  • 一致性控制:批量生产严格管控工艺,保证每颗电阻的寄生电阻、功率特性一致,减少电路设计不确定性。

六、选型与使用注意事项

  1. 功率验证:实际应用需计算热耗(I²×R_parasitic),确保≤125mW(建议留20%~30%余量)。
  2. 焊接适配:匹配0805焊盘设计,回流焊峰值温度260℃±5℃(时间≤10s),避免高温损坏。
  3. 静电防护:厚膜电阻对静电敏感,存储/焊接需防静电(如防静电托盘、设备接地)。
  4. 环境适配:若温度超155℃或电压超150V,需更换更高规格产品。

该产品凭借低阻一致性、工业级温度范围与高适配性,成为电路设计中替代传统连接方式的优选元件。

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