Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
DOWO SMAJ6.5CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO SMAJ6.5CA
- Type
- DOWO
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- SMAJ6.5CA
- Electronic Component
- 1
- Package
- SMA(DO-214AC)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.14g
- Electronic Component
- 1
- Electronic Component
- BM0230826987
- Voltage
- 11.2V
- Current(Ir)
- 500uA
- Voltage(VBR)
- 7.22V
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMAJ6.5CA 瞬态抑制二极管（TVS）产品概述
一、产品简介
SMAJ6.5CA 是一款双向瞬态抑制二极管（TVS），由 DOWO（东沃）生产，封装为 SMA（DO‑214AC）。该器件针对雷击、静电放电和电源浪涌等瞬态过压事件提供快速钳位保护，适用于直流/交流电源总线、数据与信号接口及工业电源防护场合。
二、主要特性
- 双向极性，适合交流或双向脉冲抑制。
- 反向工作电压（VRWM）：6.5V；最低击穿电压（VBR(min)）：7.22V。
- 钳位电压（VC）：11.2V @ IPP = 35.71A。
- 峰值脉冲电流（Ipp）：35.71A；峰值脉冲功率（Ppp）：400W（10/1000μs）。
- 反向漏电流（IR）：最大 500μA（在 VRWM 条件下）。
- SMA 封装便于表面贴装，大幅提升安装可靠性与散热能力。
三、电气性能要点
该器件在规定的工作电压下保持低漏电流，发生瞬态时能迅速进入雪崩区并将电压钳位在约 11.2V，保护下游元件不受更高电压冲击。400W（10/1000μs）能力适合一次性或短时的大能量浪涌（如雷击感应浪涌、工业开关瞬态）。设计时应根据实际浪涌能量、重复次数及周围元件耐压选择余量。
四、封装与机械特性
SMA（DO‑214AC）为常见的表面贴装封装，尺寸小、散热路径短。推荐在靠近被保护端的参考地处布局 TVS，焊盘尺寸和焊接工艺需按照厂家推荐的回流温度曲线执行，以保证焊点可靠性和器件性能。
五、典型应用
- 通信设备的电源输入与信号线保护。
- 工业控制系统与电机驱动的浪涌防护。
- 汽车电子低压系统（需确认汽车级认证）。
- 消费类电子、路由器及交换设备的输入防浪涌设计。
六、使用建议与 PCB 布线注意事项
- 将 TVS 放置在需保护线路的最接近入口处，最短且最直的回流路径至地。
- 减少串联电感与阻抗：短而宽的铜迹、增加过孔数量以改善散热与电流承载。
- 对于高能量应用，考虑并联多个 TVS 或在输入处配合熔断/限流元件。
- 留意工作环境温度，过高温度会提升漏电流并降低寿命。
七、存储与可靠性
请遵循厂商提供的储存与湿敏等级（MSL）说明；常温干燥保存，避免长时间暴露于潮湿或腐蚀性气氛。装配采用兼容的回流焊工艺，避免超出建议的温度/时间曲线以防封装或电性能退化。
八、选型与注意事项
在选型时确认系统最大持续工作电压、可能的最大浪涌能量与重复冲击频率；若用于汽车或严苛工业场合，请核实是否需符合相应的 AEC、IEC 等规范。最终以 DOWO 官方数据手册为准，器件参数存在公差，应在设计时留出合适余量。
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.
