Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
RUILON SMBJ33CA
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- RUILON SMBJ33CA
- Type
- RUILON
- Minimum package
- 3000
Technical parameters
- Electronic Component
- RUILON
- Electronic Component
- SMBJ33CA
- Electronic Component
- 1
- Package
- DO-214AA(SMB)
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.232g
- Electronic Component
- 1
- Electronic Component
- BM0227695232
- Operating Temperature
- 55℃~+150℃
- Voltage
- 53.3V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2
- Current(Ir)
- 1uA
- Voltage(VBR)
- 42.2V
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMBJ33CA（RUILON/瑞隆源）产品概述
一、产品简介
SMBJ33CA 是 RUILON（瑞隆源）推出的一款双向瞬态电压抑制器（TVS），采用 DO-214AA（SMB）封装，专为浪涌和静电放电保护设计。器件在 33V 反向截止电压下能对高能瞬态冲击进行快速钳位，保护下游电路免受过压损坏，适用于工业电源和通信接口等场景。
二、主要技术参数
- 极性：双向
- 反向截止电压 (Vrwm)：33 V
- 钳位电压：53.3 V（峰值）
- 峰值脉冲电流 (Ipp)：11.3 A
- 击穿电压：42.2 V
- 反向电流 (Ir)：1 μA（在 Vrwm 下）
- 工作温度：-55 ℃ ～ +150 ℃
- 防护等级：符合 IEC 61000-4-4（快速瞬变脉冲）与 IEC 61000-4-2（静电放电）标准
- 类型：TVS（瞬态电压抑制器）
- 封装：DO-214AA（SMB）
三、主要特性
- 双向结构，可对正负双向瞬态电压进行对称钳位，适合交流或差分信号保护。
- 低反向漏电（Ir ≈ 1 μA），在正常工作电压下对电路影响极小，有利于节能和高输入阻抗应用。
- 高浪涌吸收能力（Ipp 11.3 A）与较低钳位电压（53.3 V），在承受脉冲时能有效限制电压峰值，保护敏感元件。
- 宽温度范围（-55℃ 至 +150℃），适合恶劣环境与工业级应用。
- SMB 封装便于表面贴装、散热和自动化生产，可靠性高。
四、典型应用场景
- 工业电源输入与配电模块的浪涌保护（如 24 V 系统、控制柜接口）。
- 通信接口、电源总线和差分信号线（如 RS-485、CAN 总线）的瞬态抑制。
- 机电设备、仪表仪表及楼宇自控系统的防护方案。
- 满足 IEC 61000-4-2 与 IEC 61000-4-4 抗干扰要求的电子产品设计。
五、封装与可靠性
DO-214AA（SMB）封装兼顾功率耗散与占板空间，适合回流焊工艺。器件通过工业级工作温度与 IEC 抗扰度标准，具备良好的长期稳定性与抗热冲击能力，可配合适当的 PCB 接地设计提升整体防护性能。
六、使用建议与选型要点
- 若被保护侧为直流单向系统，请确认是否需要单向型；SMBJ33CA 为双向型，适合交流或双向冲击场景。
- 设计 PCB 时，尽量缩短 TVS 到被保护器件之间的引线长度，并提供低阻抗接地，以最大化抑制效果。
- 根据系统可能出现的浪涌能量评估是否需并联更大能量吸收器或配合熔断器、PTC 等保护元件。
- 在选型时参考实际测试波形与应用规范，确保 Vrwm、钳位电压与系统耐受性匹配。
如需器件数据手册、封装尺寸图或样品信息，可联系 RUILON（瑞隆源）或授权分销商获取更详细的技术资料与应用支持。
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
