WMSIC Electronic Components

Brightking SDD32C24L01-AT SDD32C24L01

ModelSDD32C24L01-AT
PackageSOD-323
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 SDD32C24L01-AT
Type
BRIGHTKING
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Brightking
Electronic Component
SDD32C24L01-AT
Electronic Component
1
Package
SOD-323
Electronic Component
Electronic Component
Type
ESD
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.028g
Electronic Component
1
Cj- Capacitor
37pF
Electronic Component
BM0265132257
Voltage
43V
Current(Ir)
1uA
Voltage(VBR)
26.7V
Electronic Component
Electronic Component

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

Brightking SDD32C24L01-AT ESD防护二极管产品概述

一、产品核心定位

SDD32C24L01-AT是台湾君耀(Brightking)推出的双向ESD防护二极管,专为低压电子设备的静电放电(ESD)及瞬态浪涌防护设计。其核心优势在于超小型SOD-323封装适配高密度PCB布局,同时通过精准的电气参数设计,在保障防护性能的前提下兼顾低功耗与信号完整性,是消费电子、IoT设备等领域的高性价比防护方案。

二、关键电气参数解析

该器件的电气参数经过优化,精准匹配低压电路的防护需求,核心参数及意义如下:

1. 防护极性与工作电压边界

  • 双向极性:支持正负双向ESD脉冲防护,无需区分信号方向,可直接并联于数据线、电源线等双向传输线路,简化电路设计。
  • 反向截止电压(Vrwm):24V:器件正常工作时可承受的最大直流反向电压,电路工作电压需低于此值(如12V/5V/3.3V低压系统),避免持续导通或漏电流过大。
  • 击穿电压(Vbr):26.7V:反向电压超过此值时,器件进入击穿状态(瞬态防护模式),是“正常工作”与“防护触发”的过渡点,典型值一致性良好,保障防护可靠性。

2. 瞬态防护性能

  • 峰值脉冲功率(Ppp):320W@8/20us:8/20us为国际标准浪涌波形(电流波上升沿8μs,峰值后20μs下降),320W的峰值功率可覆盖接触放电8kV、空气放电15kV(符合IEC 61000-4-2标准)等常见ESD冲击,满足消费电子的防护等级要求。
  • 钳位电压(Vc):43V:当ESD脉冲到来时,器件将线路电压钳位在43V以下,远低于多数敏感IC(如MCU、传感器)的IO口耐压(一般3.3V/5V系统的IO口耐压≤6V),有效避免后端元件损坏。

3. 低功耗与信号兼容性

  • 反向漏电流(Ir):1uA@Vrwm:正常工作时漏电流极低,几乎不影响电路功耗,适合电池供电的便携设备(如智能手表、蓝牙耳机)。
  • 结电容(Cj):37pF:在SOD-323小封装下实现低电容设计,可兼容低速数字信号(如I2C、UART)、电源线路的信号完整性;若应用于高频RF信号(如WiFi、蓝牙),需搭配更低电容(<1pF)的ESD器件,但该参数已满足多数中低速场景需求。

三、封装与典型应用场景

1. SOD-323封装特点

SOD-323为超小型表面贴装封装,尺寸约1.6mm×0.8mm×0.6mm,占用PCB面积极小,适配高密度设计(如智能手机主板、智能穿戴设备),同时支持自动化贴装,生产效率高。

2. 典型应用领域

  • 消费电子:智能手机/平板的USB接口、耳机孔、按键、摄像头模组的ESD防护;
  • IoT设备:智能门锁、传感器节点、智能家居控制器的信号输入输出防护;
  • 便携设备:蓝牙耳机、智能手表、运动相机的电池供电线路防护;
  • 小型工业控制:低压PLC的IO口、通信接口的瞬态浪涌防护。

四、品牌与可靠性保障

Brightking(君耀)是全球知名的防护器件厂商,拥有20余年专业经验,产品符合IEC、JEDEC等国际标准。SDD32C24L01-AT经过严格的可靠性测试(如温度循环、湿度老化、焊接可靠性),击穿电压一致性、漏电流稳定性均满足量产要求,可有效降低终端产品的售后故障率。

五、选型与应用注意事项

  1. 工作电压匹配:电路正常工作电压需≤24V,避免器件进入持续击穿状态;
  2. 信号频率适配:37pF结电容适合中低速信号(<100MHz),高频场景需更换低电容器件;
  3. 焊接工艺:SOD-323封装需注意回流焊温度曲线,避免虚焊导致防护失效;
  4. 防护层级:若需应对更强浪涌(如雷击、电源瞬变),可搭配压敏电阻等器件形成多级防护。

总结

SDD32C24L01-AT是一款针对低压电子设备的高性价比双向ESD防护二极管,以小封装、低功耗、稳定防护为核心优势,覆盖消费电子、IoT等主流应用场景,能有效提升敏感电路的ESD耐受能力,是终端产品可靠性设计的理想选择。

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