Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
YANGJIE SMBJ33A
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
13
specifications
Core information
- Product name
- YANGJIE SMBJ33A
- Type
- DO-214AA(SMB)
- Minimum package
- 3000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YANGJIE
- Electronic Component
- SMBJ33A
- Electronic Component
- 1
- Package
- DO-214AA(SMB)
- Electronic Component
- 0.204g
- Electronic Component
- 1
- Electronic Component
- BM0259713880
- Electronic Component
- Electronic Component
- Electronic Component
- 3000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SMBJ33A TVS 瞬态抑制二极管产品概述
一、产品简介
SMBJ33A 是扬杰（YANGJIE）生产的一款瞬态电压抑制器（TVS），采用 DO-214AA（SMB）表面贴装封装，主要用于抑制电源线与信号线上的瞬态过压和浪涌干扰。器件设计强调对高能脉冲的吸收能力与宽温度工作稳定性，适配工业与商用电路的浪涌保护需求。
二、主要参数
- 反向截止电压 (Vrwm)：33 V
- 击穿/工作电压 (Vbr)：40.6 V（典型）
- 钳位电压 (Vcl)：53.3 V（在指定脉冲条件下）
- 峰值脉冲电流 (Ipp)：11.3 A @ 10/1000 μs
- 峰值脉冲功率 (Ppp)：600 W @ 10/1000 μs
- 反向漏电流 (Ir)：5 μA（通常在 Vrwm 条件下）
- 工作温度范围：-55 ℃ ~ +150 ℃
三、性能特点
- 强抗浪涌能力：在 10/1000 μs 波形下可承受 600 W 峰值功率与 11.3 A 峰值电流，适合抑制能量较大的雷击与开关瞬变。
- 低漏电流与高温稳定性：5 μA 的低反向电流与 -55~+150 ℃ 的宽温工作范围，保证长期工作时的低功耗与可靠性。
- 小型表贴封装：SMB 封装便于自动化贴片与回流焊工艺，适合现代 SMT 生产线。
四、典型应用场景
- 工业电源保护：24 V 与 30 V 级别直流母线的浪涌防护。
- 同轴/通信接口：抑制外部感应雷击与开关干扰，保护收发器与接口芯片。
- 汽车电子辅助电路（非主动力系统）：用于车载电源辅助模块的瞬态抑制（需依据系统规范确认）。
- 电源模块与DC-DC转换器输入端的过压保护。
五、封装与安装建议
SMBJ（DO-214AA）为表面贴装封装，适用于回流焊。建议按照制造商推荐的焊盘尺寸与回流温度曲线进行 PCB 设计与装配，保证热循环与焊点可靠性。为获得最佳散热与冲击承受能力，PCB 上应预留足够的铜面积并采用短且宽的走线连接到被保护线路。
六、选型与注意事项
- 匹配电压等级：Vrwm 33 V 适用于额定工作电压接近 24 V 系统，在更高电压系统中需选用相应 Vrwm 的器件。
- 极性与类型确认：根据电路需求确认器件为单向或双向 TVS（本参数集中于典型单向特性，如需双向请核实型号说明）。
- 环境与寿命：在高湿、高振环境下，应结合封装耐受性与 PCB 设计做额外防护。
- 浪涌测试：在最终系统中进行实际浪涌和ESD测试，验证钳位电压与能量吸收能力是否满足整机要求。
总结：SMBJ33A 以其 600 W 的脉冲吸收能力、33 V 的反向截止电压和宽温范围，为需要中高能量瞬态保护的电源与接口电路提供可靠、易集成的保护方案。购买与设计时建议参考扬杰的完整器件规格书以获取更详细的参数与封装图。
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
