WMSIC Electronic Components

TWGMC SMBJ30CA Bidirectional TVS Diode SMBJ30CA

ModelSMBJ30CA
PackageSMB(DO-214AA)
BrandTWGMC
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 Date code within 2 years

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TWGMC SMBJ30CA
Type
TWGMC
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TWGMC
Electronic Component
SMBJ30CA
Electronic Component
1
Package
SMB(DO-214AA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.154g
Electronic Component
1
Cj- Capacitor
390pF
Electronic Component
BM0220685040
Operating Temperature
65℃~+150℃
Voltage
48.4V
Current(Ir)
1uA
Voltage(VBR)
36.8V

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:SMBJ30CA

一、基本信息

SMBJ30CA是由台湾迪嘉(TWGMC)生产的一款瞬态电压抑制器(TVS二极管),其采用SMB(DO-214AA)封装。作为一种重要的保护元器件,SMBJ30CA主要应用于电力保护、信号线保护以及其他电子设备的瞬态电压抑制。

二、功能与应用

  1. 瞬态电压抑制:SMBJ30CA能够有效地限制瞬态电压,从而保护连接在其上的敏感电子元器件,例如微处理器、集成电路(IC)和其他重要组件。这一功能尤其在遭遇浪涌电压、静电放电(ESD)或其他电力瞬变时显得尤为重要。

  2. 线性特征:该元器件具备优良的电压-电流特性,使其在正常工作范围内表现出线性的电气特性,确保在工作状态下的稳定性和可靠性。

  3. 低泄漏电流:SMBJ30CA具有较低的泄漏电流特性,在不发生瞬态事件时,可以有效降低功耗,从而提升整体系统的效率。

三、技术参数

  • 工作电压:SMBJ30CA的最大反向工作电压约为30伏,这意味着它能够在较高的电压环境中正常工作,而不会失去其保护效果。
  • 钳位电压:在击穿状态下,SMBJ30CA的钳位电压通常会控制在45伏以内,能够有效限制电压达到安全范围,保护后续电路不受损坏。
  • 峰值脉冲功率:SMBJ30CA具备高达600瓦的峰值脉冲功率能力,能够承受瞬间脉冲电流而不发生损坏。

四、封装特性

  • SMB封装(DO-214AA):SMBJ30CA采用标准的SMB封装,其尺寸小巧,适合于各种贴片和插脚电子电路设计。SMB封装的特点是热升高性能良好,能够有效管理其在高负载环境下的发热。

五、应用领域

SMBJ30CA广泛应用于以下领域:

  • 通信设备:如调制解调器、路由器、电话系统等,保护信号通道不受瞬态电压影响。
  • 消费电子:在手机、平板电脑、电视和音频设备中,用以保护主板和敏感电路。
  • 工业控制:用于各种工控设备及传感器,能够防止因电压波动而导致的故障。
  • 汽车电子:在ECU(电子控制单元)和其他汽车电子系统中,防护电压突波,保护电路安全。

六、结论

SMBJ30CA瞬态电压抑制器凭借其卓越的电压抑制能力、良好的封装特性及广泛的适用场景,成为电子设计及保护领域中的重要元件。无论是在消费电子还是工业设备中,SMBJ30CA都具备有效提升产品可靠性的重要职能。通过合理选用SMBJ30CA,工程师能够在设计之初就创建出具有更高耐受性和稳定性的电子系统,确保设备在各种环境下的可靠运行。

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.