WMSIC Electronic Components

Littelfuse SMAJ30CA

ModelSMAJ30CA
PackageDO-214AC(SMA)
BrandLittelfuse
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

20 specifications

Core information

Product name
Littelfuse SMAJ30CA
Type
LITTELFUSE
Unit
Electronic Component
Minimum package
5000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
LITTELFUSE
Electronic Component
SMAJ30CA
Electronic Component
1
Package
DO-214AC(SMA)
Electronic Component
Electronic Component
Type
TVS
Electronic Component
ESD and Surge Protection (TVS / ESD)
Electronic Component
0.124g
Electronic Component
1
Electronic Component
BM0000283785
Operating Temperature
65℃~+150℃
Voltage
48.4V
Current(Ir)
1uA
Voltage(VBR)
33.3V

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SMAJ30CA 产品概述

一、产品简介

SMAJ30CA是一款由美国力特(Littelfuse)公司生产的表面贴装型双向瞬态电压抑制二极管(TVS二极管)。该产品具有极性双向设计,适用于对电路进行有效的过压保护,特别是在高频和快速脉冲环境中,能够提供可靠的保护解决方案,确保电子设备的正常运行。SMAJ30CA的设计理念旨在满足多种应用场景的需求,广泛用于通讯、计算机、消费电子等领域。

二、主要参数

  1. 极性:双向(Bidirectional)设计使其可以在反向电压和正向电压下都能有效工作,增强了它的适用性。

  2. 箝位电压:此型号的箝位电压为48.4V,意味着在超过此电压时,器件会进入导通状态,保护下游元件免受过压损害。

  3. 击穿电压:该装置的击穿电压(最小值)为33.3V,典型的反向关断电压为30V,这些特性使得SMAJ30CA能够对瞬态电压提供及时的保护。

  4. 峰值脉冲电流:在10/1000微秒的脉冲测试条件下,SMAJ30CA能够承受的峰值脉冲电流为8.3A。这一参数反映了该组件在瞬态电压下的强大应对能力。

  5. 功率:器件的峰值脉冲功率为400W,确保其在高能量瞬态事件中不会损坏。

  6. 工作温度:该产品的工作温度范围广,最低为-65°C,最高可以达到150°C,能够适应严苛的工作环境。

  7. 封装类型:SMAJ30CA采用DO-214AC(SMA)封装,适合表面贴装,便于在现代电子设备中更紧凑的设计实施。

三、应用场景

SMAJ30CA特别适合于对瞬态电压敏感的应用,具体包括但不限于:

  • 通信设备:对于网络设备和移动通信设备,该功能可以防止外部干扰引起的电压尖峰,从而保护电路和元器件的安全。

  • 消费电子:在家庭电器、个人电脑、手机等消费电子中,SMAJ30CA可以有效地延长设备寿命,保证设备在意外电压波动情况下依然稳定。

  • 工业设备:在工业自动化和控制系统中,保护控制线路不受电击或过电压影响,确保信号的完整性与系统的正常运作。

四、总结

SMAJ30CA凭借其先进的瞬态电压抑制技术和优秀的电气性能,已成为电子工程师在电路保护设计中首选的元件之一。它的双向特性、多种高电压和温度承受能力使得产品在各种恶劣环境中都能保持稳定的性能表现。无论是在开发新产品,还是在对现有产品进行升级,SMAJ30CA都能有效提升系统的抗干扰能力和整体稳定性,无疑是保护关键电子设备的理想选择。

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.