WMSIC Electronic Components

RALEC RTT053303FTP

ModelRTT053303FTP
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 RTT053303FTP
Type
RALEC
Minimum package
5000 圆盘

Technical parameters

Power
125mW
Electronic Component
Electronic Component
Electronic Component
RALEC
Electronic Component
RTT053303FTP
Electronic Component
1
Package
0805
Electronic Component
SMD Resistor
Electronic Component
±1%
Electronic Component
0.027g
Electronic Component
330kΩ
Electronic Component
1
Electronic Component
BM0265966492
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.

RTT053303FTP 厚膜贴片电阻产品概述

RTT053303FTP是台湾旺诠电子(RALEC)推出的常规功率型厚膜贴片电阻,采用0805标准封装,以成本与性能的平衡优势广泛应用于消费电子、工业控制等领域。以下从产品基本信息、核心参数、适用场景等维度展开概述:

一、产品基本信息

RTT053303FTP属于旺诠常规厚膜贴片电阻系列,核心信息清晰明确:

  • 型号编码:RTT053303FTP(“05”对应0805封装,“3303”为330kΩ阻值编码,“FTP”标识厚膜工艺);
  • 品牌:RALEC(旺诠电子,专注被动元器件研发30余年,产品覆盖电阻、电容等全系列);
  • 封装:0805(英制尺寸0.08″×0.05″,公制2.0mm×1.2mm),适配大多数中小功率电路的贴装密度需求;
  • 工艺:厚膜印刷烧结工艺——通过陶瓷基板上的电阻膜实现阻值稳定,兼顾成本与可靠性,区别于薄膜电阻的高精度、绕线电阻的大功率。

二、核心电气参数详解

该电阻的关键参数直接决定应用边界,具体如下:

  1. 阻值与精度:标称阻值330kΩ(E24系列标准阻值),精度±1%——满足一般精密电路的分压、信号调节需求(如传感器信号放大的反馈电阻),无需额外校准;
  2. 功率等级:额定功率125mW(常温25℃下),是0805封装的主流功率规格;需注意环境温度升高时功率降额(旺诠 datasheet 明确:125℃时允许功率降至100mW,155℃时仅允许75mW);
  3. 工作电压:最大连续工作电压150V,可覆盖低压直流电源(12V、24V)的分压、滤波电路;脉冲电压需控制在300V以内(单次脉冲宽度≤1ms时);
  4. 温度系数(TCR):±100ppm/℃——温度每变化1℃,阻值变化±33Ω(330kΩ×100×10^-6),适合对温漂要求不高的场景(如普通电源指示灯分压);
  5. 工作温度范围:-55℃~+155℃,符合工业级环境要求,可适配车载辅助电路、户外设备等场景的温度波动。

三、典型适用场景

结合参数特点,RTT053303FTP主要应用于以下场景:

  1. 消费电子:手机、平板的电池电压检测分压电阻(150V电压覆盖3.7V~4.2V电池的分压需求)、音频信号滤波电路(±1%精度满足基本音质要求);
  2. 工业控制:PLC输入输出接口的上拉/下拉电阻、小型温度传感器的信号转换电路(宽温范围适配车间-20℃~60℃的环境波动);
  3. 通信设备:路由器、小型基站的电源滤波电阻(0805封装高密度贴装,适合设备小型化设计);
  4. 汽车电子(辅助级):车载仪表盘指示灯分压电阻、车内湿度传感器的信号调节电阻(需确认旺诠对应型号是否具备AEC-Q200车规认证,常规工业级型号可适配非安全关键场景)。

四、可靠性与环境适应性

厚膜工艺与封装设计赋予该电阻良好的可靠性:

  • 工艺稳定性:陶瓷基板导热性好,电阻膜烧结后阻值漂移≤0.5%/1000小时(常温下),长期使用无明显衰减;
  • 环境耐受性:可耐受85℃/85%RH的湿热环境(符合IEC 60068-2-60标准),低温-55℃下阻值无突变;
  • 焊接可靠性:0805封装焊盘尺寸符合IPC-A-610标准(长1.21.4mm,宽0.81.0mm),贴装后焊接强度≥10N(符合回流焊、波峰焊要求)。

五、选型与应用注意事项

为确保电路可靠性,需注意以下要点:

  1. 功率降额:常温下实际功耗建议不超过100mW(降额20%),155℃高温环境下需降至75mW以内;
  2. 温漂适配:若电路对阻值稳定性要求较高(如精密电压基准),需选用TCR≤50ppm/℃的型号(如旺诠RT系列低漂移电阻);
  3. 电压限制:避免长期工作在150V以上,脉冲电压峰值不超过300V(需参考旺诠 datasheet 的脉冲降额曲线);
  4. 贴装规范:贴装偏移量不超过0.1mm,避免焊盘偏移导致虚焊;回流焊温度需控制在220℃~240℃(峰值),时间≤30秒。

综上,RTT053303FTP是一款高性价比的0805厚膜贴片电阻,适合对精度、功率要求适中的中小功率电路,广泛适配消费电子、工业控制等领域的常规应用需求。

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