Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
KUU PESD3V3L1BA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- KUU PESD3V3L1BA
- Type
- KUU
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- KUU
- Electronic Component
- PESD3V3L1BA
- Electronic Component
- 1
- Package
- SOD-323
- Electronic Component
- Electronic Component
- Type
- ESD
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.025g
- Electronic Component
- 1
- Channel Count
- Electronic Component
- Cj- Capacitor
- 40pF
- Electronic Component
- BM0264873498
- Operating Temperature
- 55℃~+150℃
- Voltage
- 10.5V
- Electronic Component
- IEC 61000-4-2；IEC 61000-4-4
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
PESD3V3L1BA 静电保护二极管产品概述
一、产品定位与核心价值
PESD3V3L1BA是KUU品牌推出的双向ESD静电保护二极管，专为低电压敏感电子电路设计，核心作用是在静电放电（ESD）或电快速瞬变脉冲群（EFT）冲击时，快速将过电压钳位至安全范围，同时保持低信号干扰特性。其超小型SOD-323封装适配高密度PCB布局，宽温工作范围满足多场景环境需求，是消费电子、工业控制等领域的基础防护器件。
二、关键电气参数深度解析
1. 电压防护核心能力
器件采用双向极性设计，可同时防护电路正负极性的静电冲击，无需额外匹配极性。核心电压参数匹配3.3V主流低电压供电：
- 反向截止电压（Vrwm）=3.3V：正常工作时器件处于截止状态，不影响电路功能；
- 击穿电压（Vbr）≈4V：静电脉冲超过此阈值时，器件快速导通；
- 钳位电压（Vc）=10.5V：导通后将电路电压限制在10.5V以内，避免后端IC因过压损坏。
2. 脉冲耐受与防护等级
峰值脉冲电流（Ipp）达20A、峰值脉冲功率（Ppp）=350W，可有效应对：
- IEC 61000-4-2标准：接触放电8kV、空气放电15kV的ESD冲击；
- IEC 61000-4-4标准：电快速瞬变脉冲群（EFT）干扰，覆盖工业与消费电子常见静电风险。
3. 信号兼容性设计
结电容（Cj）=40pF，属于低电容范围，对10Mbps以下的低速数字信号、模拟音频/传感器信号传输影响极小，避免因器件电容导致信号失真，适配接口电路、按键电路等场景。
4. 环境与功耗特性
- 工作温度：-55℃~+150℃，满足工业级环境（户外设备、高温车间）要求；
- 反向漏电流（Ir）=40uA：正常工作时漏电流极低，不额外消耗电路功耗或影响信号电平。
三、封装与可靠性设计
采用SOD-323封装（尺寸约1.6mm×0.8mm×0.6mm），属于超小型表面贴装封装，适配高密度PCB设计（如手机主板、小型控制器）；器件防护等级通过IEC 61000-4-2、IEC 61000-4-4认证，可靠性经长期测试验证，可稳定工作于恶劣环境。
四、典型应用场景
- 消费电子：手机、平板、智能穿戴的USB接口、耳机插孔、按键电路、充电端口，防护人体接触静电；
- 工业控制：PLC输入输出端口、传感器节点、小型控制器信号线路，应对工业环境静电与EFT干扰；
- 汽车电子辅助电路：车载USB充电口、仪表盘按键、小功率传感器（如温度传感器），适配车载宽温环境；
- 通信设备：路由器、交换机的低速接口（RS232、指示灯电路），保障信号线路静电防护。
PESD3V3L1BA凭借双向防护、低电容、宽温特性与超小封装，成为低电压敏感电路的实用型ESD保护器件，满足多领域静电防护需求，性价比突出。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
