WMSIC Electronic Components

Brightking 2RM075L-8/B 2RM075L

Model2RM075L-8/B
PackageElectronic Component
BrandBrightking
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
Brightking 2RM075L-8 / B
Type
BRIGHTKING
Minimum package
500

Technical parameters

Electronic Component
Brightking
Electronic Component
2RM075L-8/B
Electronic Component
1
Package
Electronic Component
Electronic Component
2
Electronic Component
(GDT)
Electronic Component
±20%
Electronic Component
0.85g
Electronic Component
6mm
Electronic Component
1
(φD)
8mm
Electronic Component
BM0257695049
Operating Temperature
40℃~+85℃
Capacitor
1.5pF
Electronic Component
500
Current
10kA

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

2RM075L-8/B — 产品概述

一、产品简介

2RM075L-8/B 为台湾君耀(Brightking)出品的轴向引线式浪涌保护器件,极数为2。器件设计用于在过电压瞬态(如雷击、电快速脉冲、开关换向等)发生时,为低压线路和敏感电子设备提供有效的冲击放电路径,从而保护后端电路免受高能瞬态损坏。外形小巧,直径φ8mm、厚度6mm,适合通过孔安装的工业、通信和控制类电路板使用。

二、主要参数

  • 极数:2(双极/两线保护)
  • 直流击穿电压(Vdc):75V(精度 ±20%)
  • 脉冲放电电流:10 kA(单次冲击能力)
  • 极间电容:1.5 pF(低电容,适合高速信号线)
  • 冲击击穿电压(Vimp):600V(耐受短时高电压)
  • 工作温度范围:-40℃ ~ +85℃
  • 外形尺寸:φ8mm × H6mm,轴向引线封装

三、性能特点

  • 高冲击能力:10kA 的脉冲放电电流表明器件能承受较大能量的单次浪涌,适用于雷击或开关冲击场景的一级或二级防护。
  • 低极间电容(1.5 pF):对高速信号线影响极小,适合保护数据通信、串行总线或其他对信号完整性敏感的线路。
  • 适中触发电压:Vdc≈75V(±20%)使器件在较低直流电压下保持不导通态,只有在达到击穿条件时才快速导通放电,保护后端设备。
  • 宽温度范围:满足大多数工业与户外电子设备的工作环境要求。
  • 易于安装:轴向引线封装便于手工焊接、波峰/回流前插装或自动插件加工。

四、典型应用场景

  • 通信设备的线路保护(如对等数据线、对称信号线)
  • 工业控制系统与测控仪表的输入保护
  • 电源与接口的二级防护(配合一级气体放电管或避雷器)
  • 安防、楼宇自控与信号采集系统中对浪涌的局部防护

五、安装与使用建议

  • 板上建议留足焊盘空间和散热通路,保证焊接质量与可靠接地路径。
  • 本器件为瞬态保护元件,设计时不应作为持续导电器件长期工作;避免工作电压长期接近或超过标称直流击穿电压,以免降低寿命或触发自放电。
  • 在两线系统中使用时,确保引线与地或下一级保护器件的连接路径尽量短、阻抗低,以保证浪涌能量被优先引导到保护器件。
  • 对于高能连续雷击或极端工况,建议与其它类型的防护器件(如气体放电管、TVS二极管、熔断器等)联合使用,形成多级防护体系。

六、储存与可靠性提示

  • 存放环境避免潮湿、高温、酸碱腐蚀性气体;推荐仓储温度为常温、相对湿度低于60%。
  • 运输与装配过程中避免机械冲击和强烈振动;轴向引线需防弯折、拉伸过度。
  • 出厂前应按客户要求或相关标准做电气与机械可靠性抽检(如耐冲击、耐热循环等),实际应用中建议进行样机验证。

七、选型与采购参考

2RM075L-8/B 适合对低压信号线或两线接口进行浪涌防护且对电容敏感的场合。选型时应根据系统的最大工作电压、可能的冲击能量、允许电容范围和封装需求综合考虑;在需更高冲击耐受或更低触发电压时,建议与制造商沟通或选取相邻规格器件。品牌:Brightking(台湾君耀),封装形式:轴向引线,便于替换与维护。

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