WMSIC Electronic Components

Brightking SJD12C75L01

ModelSJD12C75L01
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 SJD12C75L01
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SJD12C75L01
Electronic Component
1
Package
SOD-123S
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.038g
Electronic Component
1
Channel Count
Electronic Component
Electronic Component
BM0265144506
Operating Temperature
55℃~+150℃
Voltage
121V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
83.3V

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

Brightking SJD12C75L01 静电/浪涌保护器件产品概述

一、产品定位与核心属性

Brightking(台湾君耀)SJD12C75L01是一款单通道TVS/ESD复合防护器件,专为电子电路中的静电放电(ESD)和瞬态浪涌干扰提供双重防护,采用小型表面贴装SOD-123S封装,平衡了防护性能、体积尺寸与可靠性,适用于对空间紧凑性和宽温适应性有要求的各类电子设备。

二、关键电性能参数解析

该器件的核心参数围绕“截止状态稳定、瞬态防护高效”设计,关键参数及实际意义如下:

  1. 反向截止电压(Vrwm=75V):电路正常工作时的最大反向耐压阈值——当电路电压≤75V时,器件处于截止状态,无明显导通电流,不影响电源供电或信号传输的完整性。
  2. 击穿电压(Vbr=83.3V):反向电压超过该值时,器件开始反向击穿并导通,将瞬态过电流泄放至地。典型值83.3V确保击穿动作准确,避免因电压波动导致的误触发。
  3. 钳位电压(Vc=121V):击穿导通后器件能钳位的最大电压,是核心防护指标——Vc越低,后端敏感电路(如MCU、传感器)的过压损坏风险越小。该器件Vc=121V(相对于Vbr的钳位因子≈1.45),防护效果优于同类产品平均水平。
  4. 峰值脉冲能力:支持8/20μs标准浪涌脉冲(8μs上升沿、20μs下降沿),峰值脉冲电流Ipp=1.7A,峰值脉冲功率Ppp=1kW,可应对电源尖峰、雷击感应等较强瞬态干扰。
  5. 反向漏电流(Ir=1μA):截止状态下的反向漏电流极小,仅1μA,确保正常工作时无额外功耗,不干扰电路信号完整性。
  6. 工作温度范围(-55℃~+150℃):覆盖工业级(-40℃~+85℃)及高温场景,满足极端环境下的长期可靠性。
  7. 防护标准(IEC 61000-4-2):符合国际静电放电测试标准,可有效应对接触放电(最高15kV)和空气放电(最高30kV),满足产品认证要求。

三、封装与可靠性设计

SJD12C75L01采用SOD-123S封装,具有以下突出优势:

  • 小型化:封装尺寸紧凑(典型尺寸2.0mm×1.25mm×1.0mm),适配高密度PCB布局(如便携设备、小型模块);
  • 焊接可靠性:表面贴装设计兼容回流焊工艺,焊接牢固,抗振动性能佳,适合批量生产;
  • 宽温适配:工作温度范围覆盖-55℃~+150℃,可在工业现场、高温作业设备中稳定运行,无需额外散热设计。

四、核心防护优势

与普通ESD器件相比,SJD12C75L01具备以下差异化优势:

  1. 静电+浪涌双重防护:既满足IEC 61000-4-2静电防护要求,又能承受1kW峰值脉冲功率,应对电源浪涌、雷击感应等干扰;
  2. 低钳位电压:Vc=121V显著降低后端敏感电路的过压风险,适配MCU、传感器等低压敏感元件;
  3. 低漏电流:Ir=1μA确保正常工作时无额外功耗,不影响电路信号完整性;
  4. 宽温可靠性:极端温度下性能稳定,适合 harsh环境(如工业现场、车载高温区域);
  5. 单通道灵活:单通道设计适配单端电路(如传感器接口、按键电路),布线简单,降低设计复杂度。

五、典型应用场景

SJD12C75L01的防护特性使其适用于以下场景:

  1. 工业控制设备:传感器接口(温度、压力传感器)、PLC输入输出端口,应对工业现场静电与浪涌;
  2. 消费电子:智能穿戴(手表、手环)、平板、音频设备的按键、接口防护,小型封装不占空间;
  3. 通信设备:路由器、交换机的以太网接口、串口,防护静电与电源浪涌,确保数据传输稳定;
  4. 高温设备:LED驱动电源、车载辅助电路(宽温适配),应对高温环境下的瞬态干扰;
  5. 电源接口:低压直流电源(≤75V)的输入/输出端,防护电源尖峰与雷击感应。

总结

Brightking SJD12C75L01是一款高性价比的静电/浪涌复合防护器件,通过小型化封装、宽温可靠性与高效防护能力,平衡了空间需求与性能要求,适用于工业、消费电子、通信等多领域的电路防护,是敏感电子元件(MCU、传感器、通信芯片)的可靠“防护盾”。

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