WMSIC Electronic Components

BOURNS 2035-09-SM-RPLF

Model2035-09-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 Date code within 2 years

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
BOURNS 2035-09-SM-RPLF
Type
BOURNS
Unit
Electronic Component
Minimum package
1500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
BOURNS
Electronic Component
2035-09-SM-RPLF
Electronic Component
1
Package
SMD
Electronic Component
2
Electronic Component
(GDT)
Electronic Component
±20%
Electronic Component
0.51g
Electronic Component
4.4mm
Electronic Component
5mm
Pitch
4mm
Electronic Component
1
Electronic Component
BM0227772712
Operating Temperature
55℃~+85℃

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

2035-09-SM-RPLF 产品概述

一、产品简介

2035-09-SM-RPLF 为 BOURNS 出品的表面贴装气体放电管(GDT),面向通信与电源防护场景。器件为二极(2 pole)结构,脚间距 4 mm,外形长度 4.4 mm,高度 5 mm,适合紧凑的 SMD 布局。其设计用于在高能量脉冲事件中快速导通,将过电压能量引入地线或旁路路径,保护下游敏感电子器件。

二、主要性能参数

  • 脉冲放电电流:5 kA(峰值)
  • 直流击穿电压 (Vdc):90 V
  • 冲击击穿电压 (Vimp):350 V
  • 极间电容:约 1 pF(较低,利于高速信号完整性)
  • 温度范围:-55 ℃ ~ +85 ℃
  • 极数:2(双极差分线保护)
  • 引脚间距:4 mm;长度:4.4 mm;高度:5 mm
  • 精度/公差:±20%
  • 封装形式:SMD(表面贴装)
  • 品牌:BOURNS(产品型号:2035-09-SM-RPLF)

三、主要特点与优势

  • 高能量吸收能力:5 kA 脉冲放电电流可应对大多数雷击感应及电涌事件。
  • 低线路电容(≈1 pF):对高速差分信号(如以太网、DSL、通信链路)影响小,保持信号完整性。
  • 双极结构:直接用于差分对或两极保护,简化布线与器件数量。
  • 宽工作温度和商业/工业级可靠性,适合室内通信设备与户内安装的保护应用。
  • SMD 封装便于自动化贴装与产线加工,节省板面空间。

四、典型应用场景

  • 宽带接入设备(DSL、Cable modem)与上行/下行口保护
  • 以太网/PoE 设备的线路侧过电压防护
  • 通信基站、光纤收发器与传输模块的输入防护
  • 工业控制与监控设备的外部信号接口保护

五、布局与安装建议

  • 推荐将 GDT 放置在 PCB 的入线端靠近连接器处,减少未受保护段的引线长度。
  • 保持 GDT 与被保护器件之间的低阻抗接地回路,优先直连到保护地或最近的大面积接地铜箔。
  • 对高速差分线,建议双极对称布局,确保两极到地的路径一致。
  • 为保证可靠回流,应考虑在 GDT 周围预留一定的锡膏回流空间与焊盘尺寸,具体焊盘与回流曲线请参照 BOURNS 官方资料与封装推荐。

六、使用与可靠性注意事项

  • GDT 在多次大能量放电后特性可能发生变化,长寿命设计需参照厂方的能量循环与寿命规范。
  • 请严格遵守制造商提供的回流焊温度曲线与清洗建议,避免焊接或洗板过程对气密性与电极造成损伤。
  • 储存与装配环境应防潮,严禁在极端温湿度下长期存放。
  • 在高频或高速度信号路径上使用时,应验证系统级的信号完整性与时延影响。

七、选型建议与替代方案

  • 若系统需更高保持电压或更低触发电压,请依据具体系统耐受电压及触发阈值选择相近型号。
  • 对于需极低电容且更快响应的场合,可考虑组合使用 GDT 与低电容 TVS 以兼顾大能量放电与精确钳位。
  • 选型时请与 BOURNS 提供的完整 Datasheet 对照脉冲波形(如 8/20 µs)与额定测试条件,确保参数匹配系统需求。

如需样品、详细封装图、焊盘推荐或完整电气特性曲线,请参阅 BOURNS 官方数据手册或联系供应商获取最新资料。

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