WMSIC Electronic Components

BORN BTC401N

ModelBTC401N
Package1812
BrandBORN
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
BORN BTC401N
Type
BORN
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
BTC401N
Electronic Component
1
Electronic Component
3.2mm
Package
1812
Electronic Component
2
Electronic Component
(GDT)
Electronic Component
±30%
Electronic Component
0.29g
Electronic Component
4.5mm
Electronic Component
2.7mm
Electronic Component
1
Electronic Component
BM0263572172
Operating Temperature
40℃~+85℃
Capacitor
1pF

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

BTC401N 产品概述

一、产品简介

BTC401N 是 BORN(伯恩半导体)推出的一款双极(Bipolar)SMD 浪涌保护器件,采用 1812 封装(尺寸 4.5×3.2×2.7mm),针对电源口与信号口的雷击、电涌保护而设计。器件以高脉冲放电能力与极低极间电容为特点,适合对抗短时大电流冲击同时保持对高速信号的最小影响。

二、主要参数

  • 极数:2(双极,线对线或对地双向保护)
  • 直流击穿电压 Vdc:400 V(典型击穿/触发电压等级)
  • 精度:±30%(击穿电压容差)
  • 脉冲放电电流 Ipp (8/20 μs):2 kA(器件承受的脉冲放电能力)
  • 极间电容:1 pF(非常低,适合高速信号线)
  • 冲击击穿电压 Vimp:1 kV(对短时冲击的耐受电压)
  • 工作温度:-40 ℃ ~ +85 ℃
  • 尺寸:4.5 × 3.2 × 2.7 mm(1812 SMD)

三、性能与特点

  • 高冲击能量承受力:8/20 μs 波形下可承受 2 kA 脉冲电流,能有效吸收工业和雷击引起的短时高能量浪涌。
  • 低电容设计:1 pF 的极间电容对高速数据与通信线路影响极小,适合要求低串扰与低信号失真的场合。
  • 双极结构:支持双向浪涌抑制,适用于交流供电或双线信号线路的保护需求。
  • 宽工作温度范围:-40 ℃ 至 +85 ℃,满足工业级环境的可靠性要求。
  • SMD 1812 贴片封装:兼容自动贴装与回流焊工艺,便于量产应用与 PCB 布局优化。

四、典型应用场景

  • 电源输入端保护:直流/交流电源口的过电压与浪涌抑制(如电源适配器、工业电源模块)。
  • 信号接口保护:用于通讯总线与高速信号线(低电容优势使其适用于需要保留信号完整性的接口)。
  • 工业设备与仪表:传感器接口、控制器 I/O、现场总线等易受雷击或开关冲击的端口。
  • 安防、楼宇、自助终端等户外/半户外设备的接口防护。

五、安装与布局建议

  • 靠近被保护端口布置:将 BTC401N 安装在连接器附近以缩短引线长度,减小环路电感,提升保护效率。
  • 与接地良好配合:若为线对—地保护,应确保 PCB 接地平面或保护接地低阻抗连接以便迅速引流。
  • 与其他保护元件配合:可与熔断器、限流电阻或滤波网络配合使用,分担能量并避免单点过载。
  • 回流焊兼容:采用标准 1812 尺寸的 PCB 焊盘设计,可按常规回流工艺焊接;生产时参照具体器件回流曲线(联系厂商获取工艺建议)。

六、注意事项

  • 击穿电压有较大容差(±30%),在关键阈值控制的系统中需考虑此公差带来的触发范围变化。
  • 器件在遭受多次大电流冲击后其性能可能发生变化,关键应用建议配套监测或置换策略。
  • 若需要更严格的规范认证或特定环境可靠性数据,请向 BORN 或代理商索取详尽的元器件数据手册与测试报告。

七、总结

BTC401N 以其 2 kA 的脉冲放电能力、400 V 的直流击穿特性与仅 1 pF 的极间电容,在对抗大能量浪涌同时保持对高速信号影响最小的场景中具有明显优势。1812 SMD 封装便于自动化生产,使其成为电源与信号端口浪涌防护的理想选择。若需进一步匹配系统保护策略或获取器件的完整电气特性曲线,建议索取厂家详尽的技术资料。

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