Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
DOWO SMCJ58A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SMCJ58A
- Type
- DOWO
- Minimum package
- 3000
Technical parameters
- Electronic Component
- DOWO
- Electronic Component
- SMCJ58A
- Electronic Component
- 1
- Package
- SMC(DO-214AB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.4g
- Electronic Component
- 1
- Electronic Component
- BM0264548683
- Operating Temperature
- 55℃~+150℃
- Voltage
- 93.6V
- Electronic Component
- IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 64.4V
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMCJ58A瞬态抑制二极管（TVS）产品概述
一、产品定位与核心价值
SMCJ58A是东沃（DOWO）推出的单向瞬态抑制二极管（TVS），核心作用是快速抑制电路中的瞬态浪涌、静电放电（ESD）等异常电压，避免敏感元器件（如MCU、传感器、存储芯片等）因过压损坏。其具备1.5KW峰值脉冲功率、宽温工作范围、低漏电流等特性，适配工业级、消费电子、通信设备等多场景的过压防护需求。
二、关键电气参数解析
SMCJ58A的参数针对过压防护场景做了精准设计，核心指标直接决定防护效果：
- 反向截止电压（VRWM）58V：正常工作时，器件反向截止，不影响电路常规运行，仅当电压超过此值时启动防护；
- 击穿电压（VBR）64.4V：电压达到该阈值后，器件快速导通（响应时间达ns级），将浪涌能量转移；
- 钳位电压（VC）93.6V：在1.5KW峰值脉冲下，将电压钳位在安全范围，避免后端电路被击穿；
- 峰值脉冲电流（Ipp）16.03A：可承受的最大瞬态脉冲电流，对应功率Ppp=VC×Ipp=1.5KW，满足大能量浪涌防护；
- 反向漏电流（Ir）1uA：低漏电流设计，减少静态功耗，适合低功耗设备（如便携电子）；
- 工作温度范围-55℃~+150℃：覆盖工业级宽温场景，可在极端环境（如户外设备、车载模块）稳定工作。
三、封装与可靠性设计
SMCJ58A采用SMC（DO-214AB）贴片封装，属于小型表面贴装结构，尺寸紧凑（约2.9×1.6×1.1mm），适配自动化贴装产线，节省PCB空间；封装散热性能良好，能快速散出脉冲功率带来的热量，避免器件过热失效。
此外，器件符合IEC 61000-4-2静电放电防护标准，可有效应对人体直接放电（接触放电）、空气放电等场景，防护等级满足工业设备、消费电子的ESD防护要求。
四、典型应用场景
SMCJ58A的参数特性使其适用于多类电子设备的关键端口防护：
- 消费电子：手机、平板、笔记本的USB接口、充电端口，防护静电和充电浪涌；
- 工业控制：PLC模块、传感器接口、电机驱动电路，应对工业现场的瞬态干扰；
- 通信设备：路由器、交换机的以太网端口、射频接口，防止雷电浪涌或静电冲击；
- 车载电子：车载充电口、传感器模块（宽温特性适配车载环境，需结合整车级认证）。
五、品牌与质量保障
东沃（DOWO）作为专业电子元器件厂商，SMCJ58A经过严格可靠性测试，包括温度循环（-55℃~+150℃循环1000次）、湿度老化（85℃/85%RH测试1000小时）、脉冲寿命测试等，确保长期稳定工作。产品符合RoHS环保标准，满足全球市场合规要求。
该器件通过精准的参数设计和可靠的封装工艺，为电子设备提供高效、稳定的过压防护，是各类电路设计中过压防护的实用选择。
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.
1 Piece Integrated Circuit for IRS20124S IRS21956S SOP-20 IRS2453DS SOP-14
- Model
- IRS20124S
- Package
