WMSIC Electronic Components

Brightking SJD12C20L01

ModelSJD12C20L01
PackageSOD-123S
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SJD12C20L01
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SJD12C20L01
Electronic Component
1
Package
SOD-123S
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.038g
Electronic Component
1
Channel Count
Electronic Component
Electronic Component
BM0257505073
Operating Temperature
55℃~+150℃
Voltage
32.4V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA

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

SJD12C20L01 产品概述

SJD12C20L01 是台湾君耀(Brightking)推出的一款单路双向瞬态抑制二极管(ESD 二极管),采用 SOD-123S 小型封装,专为对敏感信号线和接口提供高效、可靠的静电与浪涌保护而设计。器件在保持低漏电与紧凑封装的同时,能承受高能量瞬态脉冲,适用于消费电子、通信设备、工业接口等需要抗静电与浪涌保护的场合。

一、主要性能概述

  • 极性:双向(bidirectional),可对正负极性瞬态过压均提供对称钳位保护,适用于交流耦合信号线和双向数据总线。
  • 钳位电压:32.4 V(典型),在 8/20 μs 浪涌当前能将被保护节点电压钳制在安全范围内。
  • 峰值脉冲电流 Ipp:6.2 A(对应 8/20 μs 波形)。
  • 峰值脉冲功率 Ppp:1 kW @ 8/20 μs,能够吸收高能瞬态能量。
  • 反向截止电压 Vrwm(工作电压):20 V,适合工作电压 ≤ 20 V 的线路保护。
  • 击穿电压 Vbr:22.2 V(典型),确保在超过 Vrwm 时迅速进入击穿导通状态以钳制过压。
  • 反向电流 Ir:1 μA(典型),在正常工作电压下保持极低漏电,减少对系统的影响。

二、关键电气参数(便于快速参考)

  • 类型:ESD(瞬态电压抑制器)
  • 通道数:单路
  • 工作温度范围:-55 ℃ ~ +150 ℃
  • 防护等级:符合 IEC 61000-4-2(静电放电防护标准)
  • 封装:SOD-123S(小型表面贴装)

三、物理与可靠性

SJD12C20L01 采用 SOD-123S 小型封装,体积小、可实现高密度 PCB 布局,适合空间受限的便携设备和模块化设计。器件工作温度覆盖工业级范围(-55 ℃ 至 +150 ℃),在高低温环境下保持稳定的漏电与钳位特性,适合恶劣环境的长期工作需求。符合 IEC 61000-4-2 标准,能有效应对用户触摸或空气放电造成的静电冲击。

四、典型应用场景

  • USB、HDMI、耳机插孔等外部接口的静电与浪涌保护
  • 串行通信接口(如 RS-485、CAN)和差分对线缆保护(需考虑工作电压匹配)
  • 手机、平板、笔记本等消费电子的 I/O 端口保护
  • 工业控制与测量设备的信号线防护
  • 任何需要在小型表面贴装封装中实现单路双向过压保护的场合

五、典型接线与使用建议

  • 双向器件建议直接放置于被保护信号线与地(或对称电路两端)之间,尽量靠近接口引脚布局,缩短走线长度以提高响应速度与降低PCB寄生电感。
  • 保持器件与地/参考平面的良好连接,必要时在地与敏感回路之间使用低阻抗回流路径。
  • 对于差分或多线路保护,建议在每条需保护的线上各放置一只器件或选用专用多通道 TVS。
  • 注意器件的 Vrwm(20 V)为有效工作电压上限,选型时应保证线路的正常工作电压低于该值,避免误触发或持续导通。

六、选型与注意事项

  • 若目标系统工作电压接近或高于 20 V,应选择更高 Vrwm 的 TVS 以避免在正常工作条件下导通。
  • 查看系统的最大容忍钳位电压,确保 32.4 V 的钳位不会对后级器件造成损害。
  • 对于高速信号线(对信号完整性要求高),如有对电容或串联电容带来的影响关切,请评估是否需要低电容型 TVS 或采用其它保护策略。
  • 使用时关注器件的浪涌寿命与测试条件(8/20 μs 波形),如需长期承受多次大能量冲击,应评估退化和冗余设计。

七、制造商与包装信息

  • 品牌:Brightking(台湾君耀)
  • 型号:SJD12C20L01
  • 封装:SOD-123S,适合标准 SMT 贴装与回流焊工艺
  • 建议在采购与生产前与供应商确认包装形式、检验报告和批次资料,以确保产品一致性与可追溯性。

总结:SJD12C20L01 是一款专注于可靠抗静电与高能浪涌吸收的双向 TVS 二极管,具备低漏电、紧凑封装和工业级温度范围,适用于多种接口与信号线的保护。选型时应结合系统工作电压与钳位容忍度进行评估,以获得最佳保护效果。

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