WMSIC Electronic Components

BOURNS 2031-15T-SM-RPLF

Model2031-15T-SM-RPLF
PackageSMD
BrandBOURNS
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
BOURNS 2031-15T-SM-RPLF
Type
BOURNS
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
2031-15T-SM-RPLF
Electronic Component
1
Package
SMD
Electronic Component
2
Electronic Component
(GDT)
Electronic Component
0.608g
Electronic Component
4.4mm
Electronic Component
5mm
Pitch
3.9mm
Electronic Component
1
Electronic Component
BM0265166915
Operating Temperature
40℃~+90℃
Capacitor
1pF
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.

BOURNS 2031-15T-SM-RPLF 表面贴装微型火花隙产品概述

一、产品定位与核心价值

BOURNS 2031-15T-SM-RPLF是一款表面贴装微型气体放电管(火花隙),专为高密度PCB设计的过压保护场景开发。作为双极过压保护器件,其核心价值在于:在紧凑尺寸下实现高脉冲耐受能力,同时低极间电容不干扰高频信号传输,适配通信、工业、车载等多领域的宽温环境需求。

二、关键技术参数深度解析

该器件的参数设计针对高频与小型化场景做了优化,核心参数如下:

1. 保护电压与电流规格

  • 直流击穿电压(Vdc):60V:是器件在直流条件下击穿导通的电压阈值,需匹配被保护电路的工作电压(如12V/24V系统),避免误触发;
  • 脉冲放电电流:1kA(8/20μs波形):单次脉冲能承受的最大电流,可有效泄放雷击、静电放电(ESD)等瞬态过压能量;
  • 冲击击穿电压(Vimp):500V:快速脉冲(如ESD、浪涌)下的击穿电压,与直流击穿形成互补,覆盖不同速率的过压场景。

2. 高频适配性与环境耐受性

  • 极间电容:1pF(典型值):低电容特性是核心优势,在2.4GHz射频频段下,信号传输损耗仅约0.08dB,几乎不影响Wi-Fi、蓝牙等高频信号质量;
  • 工作温度范围:-40℃~+90℃:满足工业现场(-4085℃)、车载环境(-4085℃)的宽温需求,可靠性符合IEC 60068-2标准。

3. 尺寸与封装规格

  • 物理尺寸:长度4.4mm×高度5mm×脚间距3.9mm,属于微型贴片封装,适配0805及以上贴片焊盘(部分紧凑设计可兼容0603焊盘布局);
  • 封装类型:标准表面贴装(SMD),适配回流焊、波峰焊等常规贴片工艺,无需特殊治具。

三、典型应用场景

  1. 通信设备端口保护:

    • 基站射频端口、路由器以太网接口:低电容避免信号干扰,1kA脉冲电流可抵御雷击浪涌;
    • 蓝牙/Wi-Fi模块:适配2.4GHz/5GHz频段,保护天线端口免受ESD冲击。
  2. 工业控制与传感器:

    • PLC输入输出端口、工业传感器接口:宽温范围适应现场温差,60V击穿电压匹配12V/24V工业电源系统。
  3. 车载电子模块:

    • 车载通信模块(如CAN总线、蓝牙)、车身传感器:满足IATF 16949车载标准的温区要求,保护电路免受汽车点火系统干扰。
  4. 消费电子小型化设计:

    • 机顶盒、智能手表信号端口:微型尺寸适配设备紧凑空间,低电容不影响无线信号传输。

四、安装与使用注意事项

  1. 焊接工艺要求:

    • 回流焊:峰值温度≤260℃,时间≤10s(遵循BOURNS官方回流焊曲线);
    • 波峰焊:温度≤250℃,时间≤5s,避免过焊导致器件性能下降。
  2. PCB布局要点:

    • 靠近被保护端口:减少引线电感(引线电感会导致过压时器件实际承受电压升高);
    • 可靠接地:器件一端需直接连接到系统地,确保过压电流快速泄放(避免通过长引线接地)。
  3. 性能评估与维护:

    • 多次放电后:气体放电管类器件多次放电后,击穿电压可能略有漂移(通常≤5%),关键场景建议每1~2年检测一次;
    • 环境湿度:避免在高湿度(>90%RH)环境长期工作,否则可能影响绝缘性能。

五、选型与替换参考

  • 同系列扩展:BOURNS 2031系列包含多种电压等级(如30V、90V、150V),若需调整保护电压,可选择对应型号(如2031-30T-SM-RPLF);
  • 替换原则:替换器件需满足击穿电压匹配(±10%以内)、脉冲电流≥原器件、极间电容≤1.5pF,优先选同品牌同系列保证一致性;
  • 对比其他器件:与TVS管相比,该器件无漏电流(静态下高绝缘),适合低功耗电路;与压敏电阻相比,低电容更适配高频场景。

该器件凭借微型化、低电容、宽温耐受的特点,成为高密度高频电路过压保护的优选方案,可有效提升设备在复杂环境下的可靠性。

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