WMSIC Electronic Components

Brightking SJD12A12L01

ModelSJD12A12L01
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 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Brightking SJD12A12L01
Type
BRIGHTKING
Minimum package
3000

Technical parameters

Electronic Component
Brightking
Electronic Component
SJD12A12L01
Electronic Component
1
Package
SOD-123S
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.027g
Electronic Component
1
Channel Count
Electronic Component
Electronic Component
BM0257695032
Voltage
19.9V
Electronic Component
IEC 61000-4-2
Current(Ir)
1uA
Voltage(VBR)
13.3V
Electronic Component
3000

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

SJD12A12L01 产品概述

一、产品简介

SJD12A12L01 为台湾君耀(Brightking)出品的单路单向静电放电(ESD)保护二极管,采用SOD-123S 小封装。器件专为快速瞬变浪涌和静电放电事件提供高效钳位保护,适用于电源线、信号线与接口端口的过压防护,满足工业与消费电子中对ESD 抗扰度的可靠要求。

二、主要特性

  • 极性:单向(单极性钳位,针对正向瞬态)
  • 反向截止电压 Vrwm:12 V,适用于最高工作电压约 12V 的线路
  • 钳位电压(典型值):19.9 V(在 Ipp 对应条件下)
  • 峰值脉冲电流 Ipp:10.1 A(8/20μs 波形)
  • 峰值脉冲功率 Ppp:1 kW(基于 8/20μs 测试波形)
  • 击穿电压 Vbr:13.3 V(典型)
  • 反向漏电流 Ir:1 μA(典型)
  • 通道数:单路
  • 防护等级:符合 IEC 61000-4-2(ESD 抗扰度标准)
  • 封装:SOD-123S,体积小、便于自动贴片

三、电气性能说明

器件在标准 8/20μs 测试波形下能承受 1 kW 峰值功率和约 10.1 A 峰值脉冲电流,钳位电压约 19.9 V,可将输入的瞬态过压钳制在安全范围内。正常工作时反向漏电仅约 1 μA,有利于低功耗系统应用。13.3 V 的击穿电压与 12 V 的 Vrwm 指标表明该器件适用于 12 V 级别的工作线路,单向结构在正向瞬态下快速导通将过压引至地线。

四、典型应用场景

  • USB、串口、CAN 总线等接口的静电与浪涌保护
  • 汽车电子辅助电路(适用于符合 12 V 线路需求的分支保护)
  • 工业控制设备与测量仪器的输入端防护
  • 消费电子产品的外部接口和电源输入保护

五、PCB 布局与使用建议

  • 将器件尽量靠近被保护的连接器或接口放置,缩短输入到器件的走线长度以减小回路电感。
  • 保护二极管的地端应直接接入系统参考地,避免通过长距离地线回流。
  • 对于对信号完整性敏感的高速接口,建议评估器件电容特性并在必要时配合串联阻抗元件使用。
  • 在有高能量浪涌的应用中,可与熔断器或热敏电阻联合使用,以提升系统整体的耐受能力。

六、可靠性与合规

SJD12A12L01 满足 IEC 61000-4-2 的静电放电测试要求,器件在规定的脉冲能量下展现稳定的钳位性能和低漏电。SOD-123S 封装适合自动化贴装与批量生产。

七、选型与采购提示

在选型时请确认线路的最大工作电压、容许钳位电压范围以及预期冲击能量(8/20μs 波形)。SJD12A12L01 适用于 12 V 级别系统的单路保护;若需要多路或双向保护,请依据系统需求选择相应型号。采购时标注完整型号与封装(SJD12A12L01,SOD-123S),并向供应商确认批次与质量认证文件。

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