WMSIC Electronic Components

BORN SMBJ3.3A

ModelSMBJ3.3A
PackageDO-214AA(SMB)
BrandBORN
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
BORN SMBJ3.3A
Type
BORN
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
BORN
Electronic Component
SMBJ3.3A
Electronic Component
1
Package
DO-214AA(SMB)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.195g
Electronic Component
1
Electronic Component
BM0220669580
Voltage
7.3V
Current(Ir)
20nA
Voltage(VBR)
4.15V
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.

产品概述:SMBJ3.3A

一、基本信息

SMBJ3.3A是一款由BORN(伯恩半导体)制造的瞬态电压抑制器(TVS二极管),其封装形式为SMB(Surface Mount Package)。SMBJ系列产品广泛应用于保护电子设备免受过电压和瞬态电压尖峰的影响,尤其适用于对电气设备的敏感保护,如数据线、办公电子产品、通信设备和工业设备等。

二、器件结构与特性

SMBJ3.3A的主要特点包括:

  1. 击穿电压: 该器件的标称击穿电压为3.3V,适用于需要在3.3V工作电压的电路中,以保护电路免受高压冲击。

  2. 峰值脉冲功率: 它的峰值脉冲功率可高达600W(在相应的瞬态条件下),这使得该器件能够处理来自电源噪声和电磁干扰等引起的瞬态电压尖峰。

  3. 响应时间快: 由于其内部结构的特殊设计,SMBJ3.3A能够以极快的速度响应电压瞬变,从而在电压超出限值时迅速导通,保护后续电路。

  4. 高可靠性: 该元器件具有优异的热稳定性和长期可靠性,能够在严苛环境中稳定工作。

  5. 低足量: SMB封装特性使得SMBJ3.3A比较小型化,便于在空间有限的电路板上使用,同时也具备较好的散热性能。

三、应用场景

SMBJ3.3A广泛应用于多种电子设备中,主要包括:

  • 通信设备: 比如路由器、交换机、手机等,在高速数据传输中,瞬态电压抑制能保护电路中的信号线不受干扰。

  • 消费电子产品: 如电视、电脑、音响等,这些设备通常与外部电源连接,使用SMBJ3.3A作为保护元件,可有效防止电源变化引起的设备损坏。

  • 汽车电子: 在汽车电子领域,SMBJ3.3A用于保护ABS、ESP等控制系统,确保电子控制单元(ECU)稳定运行。

  • 工业设备: 在自动化设备中,SMBJ3.3A可以用于输出端口的电压保护,防止设备因电压过冲而出现故障。

  • LED驱动电源: 在LED驱动电源中使用SMBJ3.3A可以保护LED灯具避免因过电压导致的损坏。

四、安装与注意事项

  1. 焊接温度: 在进行SMB封装的焊接时,建议控制焊接温度和时间,遵循相关的焊接标准,以免影响器件的性能。

  2. 极性与接地: SMB系列TVS二极管是双向的,因此在电路中连接时无需考虑极性,同时应确保接地良好,以获得最佳的保护效果。

  3. 周边电路设计: 在设计电路时,应根据具体应用需求选择合适的电源旁路电容,以提高TVS器件的响应效率。

五、总结

总之,SMBJ3.3A作为一款高效的瞬态电压抑制器,凭借其出色的性能和稳定性,成为广泛电压保护解决方案中的重要组成部分。无论是在消费电子、通信设备还是工业应用中,其都能为设备提供可靠的安全保护,避免因电压瞬变造成的潜在损坏,是设计电子电路时不容忽视的重要元件。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

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.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

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.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.