Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
RUILON SMBJ7.5CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMBJ7.5CA
- Type
- RUILON
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- RUILON
- Electronic Component
- SMBJ7.5CA
- Electronic Component
- 1
- Package
- SMB(DO-214AA)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.232g
- Electronic Component
- 1
- Electronic Component
- BM0265134582
- Operating Temperature
- 55℃~+150℃
- Voltage
- 12.9V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2
- Current(Ir)
- 100uA
- Voltage(VBR)
- 9.58V
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMBJ7.5CA（瑞隆源）瞬态抑制二极管产品概述
一、产品基本定位与类型
SMBJ7.5CA是瑞隆源（RUILON）推出的一款双向瞬态抑制二极管（TVS），核心作用是快速抑制电路中的瞬态过电压（如浪涌、静电放电），避免敏感电子元件（IC、传感器等）因过压损坏。其采用SMB（DO-214AA）表面贴装封装，适配高密度PCB设计，是工业、消费电子等领域的通用过压防护器件。
二、核心电气参数解析
该器件的参数针对瞬态防护场景做了精准优化，关键指标如下：
- 反向截止电压（Vrwm）：7.5V
正常工作时反向可承受的最大连续电压，此时器件处于截止状态，漏电流仅100μA，确保电路低损耗运行，不干扰正常信号传输。 - 击穿电压（Vbr）：9.58V
反向击穿的典型电压值，当电路电压超过该值时，器件快速导通（响应时间ns级），进入钳位状态。 - 钳位电压（Vc）：12.9V
脉冲冲击下（10/1000μs波形），能将电路电压稳定在12.9V以内，有效保护后端元件。 - 峰值脉冲功率（Ppp）：600W
单脉冲（10/1000μs）下的最大功率容量，对应峰值脉冲电流（Ipp）46.6A，可承受较强瞬态浪涌。
三、封装与工艺特性
SMBJ7.5CA采用SMB表面贴装封装（DO-214AA），具备以下优势：
- 体积紧凑：标准尺寸约2.9mm×5.0mm×2.4mm，适配自动化SMT工艺，适合高密度PCB布局；
- 双向极性：无需区分正负极，安装灵活，降低设计与生产出错率；
- 引脚可靠性：2脚焊接牢固，抗振动性能良好，适配工业级环境。
四、防护性能与标准认证
该器件符合多项EMC抗扰度标准，防护能力覆盖常见干扰类型：
- IEC 61000-4-2（ESD）：抑制静电放电干扰，保护电路免受人体、设备静电损害；
- IEC 61000-4-4（EFT）：应对电快速瞬变脉冲群干扰，避免电路误触发或损坏；
- 双向防护：正反方向均能响应过压，适合电源、信号线路的双向防护场景。
五、工作环境与可靠性
SMBJ7.5CA的环境适应性较强：
- 宽温范围：-55℃~+150℃，覆盖工业级、部分汽车级应用的温度需求；
- 可靠性：经多次瞬态冲击测试后性能稳定，漏电流、钳位电压无明显漂移，适合长期可靠运行。
六、典型应用领域
该器件广泛应用于需要瞬态过压防护的电子设备：
- 消费电子：手机、平板的USB/HDMI接口ESD防护；
- 工业控制：PLC、传感器、伺服驱动器的电源/信号线路浪涌防护；
- 通信设备：基站、路由器的EMC抗扰度防护；
- 电源电路：12V直流电源的浪涌抑制，避免电源模块损坏；
- 汽车电子：车载中控、传感器的瞬态防护（需结合具体汽车级认证需求）。
综上，SMBJ7.5CA以紧凑封装、双向防护、宽温可靠等特点，成为多领域电路过压防护的高性价比选择。
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.
