Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
DOWO P6SMB39CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- DOWO P6SMB39CA
- Type
- DOWO
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- DOWO
- Electronic Component
- P6SMB39CA
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.29g
- Electronic Component
- 1
- Electronic Component
- BM0231033188
- Operating Temperature
- 55℃~+150℃
- Voltage
- 53.9V
- Current(Ir)
- 1uA
- Voltage(VBR)
- 37.05V
- 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.
P6SMB39CA 产品概述
一、产品简介
P6SMB39CA 是 DOWO（东沃）推出的一款双向瞬态电压抑制器（TVS），采用 SMB（DO-214AA）贴片封装，面向需要高能量浪涌保护的电源与信号线路。器件设计用于在瞬态过电压时迅速钳位，保护下游半导体器件不受冲击损坏。
二、主要参数
- 类型：双向 TVS 二极管
- 钳位电压（Vc）：53.9 V（峰值脉冲条件）
- 峰值脉冲功率（Ppp）：600 W
- 峰值脉冲电流（Ipp）：11.13 A（与 Ppp、Vc 对应）
- 反向截止电压 Vrwm（工作电压）：33.3 V
- 击穿电压（Vbr）：37.05 V
- 反向漏电流（Ir）：1 μA（在 Vrwm 条件下）
- 极性：双向（对称钳位）
- 工作温度：-55 ℃ ~ +150 ℃
- 封装：SMB（DO-214AA）
三、特性与优势
P6SMB39CA 在高能量浪涌时能提供 600W 的瞬态吸收能力，钳位电压控制在 53.9V 范围，有效限制瞬态电压幅值。双向结构适合交流或往返极性脉冲的保护需求；极低的静态漏电（1 μA）保证在正常工作时对系统影响极小。宽温度范围适合汽车级及工业级环境使用。
四、典型应用场景
- 工业电源总线、直流母线的浪涌保护
- 通信接口、串行总线（如 CAN、RS-485）等对称信号线保护
- 汽车电子控制模块（ECU）、车载电源浪涌抑制
- 电机驱动、逆变器输入端对冲击电流的缓解
五、选型与使用建议
- Vrwm（33.3V）应高于系统正常工作电压，但低于被保护器件的耐压。
- 钳位电压决定保护下游器件能否幸免于瞬态；确认下游设备能承受钳位后的电压。
- 考虑实际脉冲波形与器件额定测试条件的差异，必要时留裕量并可并联或串联电阻吸能分配。
- 长线或大电感线路上放置 TVS 时应尽量靠近被保护端，缩短信号/电流路径以降低寄生感抗。
六、封装与安装注意
SMB 表面贴装，推荐按照厂商推荐的 PCB 封装和焊接工艺。为提升热耗散和可靠性，可在焊盘附近增加过孔与铜箔，避免长期高能量脉冲导致局部过热。安装时保持引线短且增大焊盘面积，有利于降低接触电阻和提升脉冲承受能力。
总结：P6SMB39CA 以其 600W 的脉冲吸收能力、双向保护和宽温度范围，适合对中高电压瞬态有可靠防护需求的工业与汽车电子场景。在设计中注意 Vrwm 与钳位电压的匹配以及散热/布局，可充分发挥其稳健的浪涌抑制性能。
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.
